[go: up one dir, main page]

BR9006797A - Medidor de fluxo de massa coriolis de melhor estabilidade - Google Patents

Medidor de fluxo de massa coriolis de melhor estabilidade

Info

Publication number
BR9006797A
BR9006797A BR909006797A BR9006797A BR9006797A BR 9006797 A BR9006797 A BR 9006797A BR 909006797 A BR909006797 A BR 909006797A BR 9006797 A BR9006797 A BR 9006797A BR 9006797 A BR9006797 A BR 9006797A
Authority
BR
Brazil
Prior art keywords
mass flow
flow meter
coriolis mass
pair
conduit
Prior art date
Application number
BR909006797A
Other languages
English (en)
Inventor
Donald Reed Cage
James Richard Ruesch
Timothy J Cunningham
Original Assignee
Micro Motion Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Micro Motion Inc filed Critical Micro Motion Inc
Publication of BR9006797A publication Critical patent/BR9006797A/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/845Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • G01F1/8477Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane with multiple measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
BR909006797A 1989-06-09 1990-06-08 Medidor de fluxo de massa coriolis de melhor estabilidade BR9006797A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36403289A 1989-06-09 1989-06-09
PCT/US1990/003284 WO1990015310A1 (en) 1989-06-09 1990-06-08 Improved stability coriolis mass flow meter

Publications (1)

Publication Number Publication Date
BR9006797A true BR9006797A (pt) 1991-08-06

Family

ID=23432741

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006797A BR9006797A (pt) 1989-06-09 1990-06-08 Medidor de fluxo de massa coriolis de melhor estabilidade

Country Status (11)

Country Link
US (1) US5301557A (pt)
EP (3) EP0848234A3 (pt)
JP (1) JP2780488B2 (pt)
AT (1) ATE171270T1 (pt)
AU (1) AU625788B2 (pt)
BR (1) BR9006797A (pt)
CA (1) CA2033992C (pt)
DE (1) DE69032658T2 (pt)
HU (1) HUT72145A (pt)
MX (1) MX171455B (pt)
WO (1) WO1990015310A1 (pt)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485755A (en) * 1990-11-21 1996-01-23 Lew; Hyok S. Mass flowmeter
US5370002A (en) * 1993-07-23 1994-12-06 Micro Motion, Inc. Apparatus and method for reducing stress in the brace bar of a Coriolis effect mass flow meter
US5497666A (en) * 1994-07-20 1996-03-12 Micro Motion, Inc. Increased sensitivity coriolis effect flowmeter using nodal-proximate sensors
US5604316A (en) * 1994-10-19 1997-02-18 Alonso; Joey G. Multiple phase coriolis mass meter
PL338930A1 (en) * 1996-01-17 2000-11-20 Danfoss As Flow meter
US5734112A (en) * 1996-08-14 1998-03-31 Micro Motion, Inc. Method and apparatus for measuring pressure in a coriolis mass flowmeter
US6332367B1 (en) * 1997-03-11 2001-12-25 Micro Motion, Inc. Dual loop Coriolis effect mass flowmeter
US6199022B1 (en) 1997-07-11 2001-03-06 Micro Motion, Inc. Drive circuit modal filter for a vibrating tube flowmeter
US8447534B2 (en) 1997-11-26 2013-05-21 Invensys Systems, Inc. Digital flowmeter
US6311136B1 (en) * 1997-11-26 2001-10-30 Invensys Systems, Inc. Digital flowmeter
US7784360B2 (en) 1999-11-22 2010-08-31 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US20030216874A1 (en) * 2002-03-29 2003-11-20 Henry Manus P. Drive techniques for a digital flowmeter
US8467986B2 (en) 1997-11-26 2013-06-18 Invensys Systems, Inc. Drive techniques for a digital flowmeter
US7124646B2 (en) * 1997-11-26 2006-10-24 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US7404336B2 (en) 2000-03-23 2008-07-29 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US6092429A (en) * 1997-12-04 2000-07-25 Micro Motion, Inc. Driver for oscillating a vibrating conduit
US6360175B1 (en) 1998-02-25 2002-03-19 Micro Motion, Inc. Generalized modal space drive control system for a vibrating tube process parameter sensor
US6427127B1 (en) 1998-07-16 2002-07-30 Micro Motion, Inc. Vibrating conduit process parameter sensors, operating methods and computer program products utilizing complex modal estimation
US6233526B1 (en) 1998-07-16 2001-05-15 Micro Motion, Inc. Vibrating conduit parameter sensors and methods of operation therefor utilizing spatial integration
US6249752B1 (en) 1998-07-16 2001-06-19 Micro Motion, Inc. Vibrating conduit parameter sensors, operating methods and computer program productors utilizing real normal modal decomposition
JP2951651B1 (ja) * 1998-07-29 1999-09-20 株式会社オーバル コリオリ質量流量計及びその製造方法
US6272438B1 (en) * 1998-08-05 2001-08-07 Micro Motion, Inc. Vibrating conduit parameter sensors, methods and computer program products for generating residual-flexibility-compensated mass flow estimates
US5987998A (en) * 1998-08-26 1999-11-23 Micro Motion, Inc. High temperature drive system for a coriolis mass flowmeter
US6748813B1 (en) 1998-12-08 2004-06-15 Emerson Electric Company Coriolis mass flow controller
US6526839B1 (en) * 1998-12-08 2003-03-04 Emerson Electric Co. Coriolis mass flow controller and capacitive pick off sensor
US6513392B1 (en) * 1998-12-08 2003-02-04 Emerson Electric Co. Coriolis mass flow controller
US6286373B1 (en) * 1999-02-12 2001-09-11 Micro Motion, Inc. Coriolis flowmeter having an explosion proof housing
US6577977B2 (en) 1999-02-16 2003-06-10 Micro Motion, Inc. Process parameter sensor apparatus, methods and computer program products using force filtering
USD418767S (en) * 1999-03-19 2000-01-11 Micro Motion, Inc. Coriolis flowmeter housing
USD423388S (en) * 1999-03-19 2000-04-25 Micro Motion, Inc. Coriolis flowmeter housing
USD419088S (en) * 1999-03-19 2000-01-18 Micro Motion, Inc. Coriolis flowmeter housing
GB2350426B (en) * 1999-05-25 2002-08-28 Abb Instrumentation Ltd Vibrating tube meter
US6347293B1 (en) * 1999-07-09 2002-02-12 Micro Motion, Inc. Self-characterizing vibrating conduit parameter sensors and methods of operation therefor
USD427096S (en) * 1999-10-04 2000-06-27 Micro Motion, Inc. Coriolis flowmeter casing
US6512987B1 (en) * 2000-03-22 2003-01-28 Micro Motion, Inc. Method and apparatus for operating coriolis flowmeters at cryogenic temperatures
DE01918944T1 (de) * 2000-03-23 2004-10-21 Invensys Systems, Inc., Foxboro Korrektur für eine zweiphasenströmung in einem digitalen durchflussmesser
US6651513B2 (en) * 2000-04-27 2003-11-25 Endress + Hauser Flowtec Ag Vibration meter and method of measuring a viscosity of a fluid
US6711958B2 (en) * 2000-05-12 2004-03-30 Endress + Hauser Flowtec Ag Coriolis mass flow rate/density/viscoy sensor with two bent measuring tubes
WO2003021203A1 (de) * 2001-08-29 2003-03-13 Endress + Hauser Flowtec Ag Messaufnehmer vom vibrationstyp
US7134347B2 (en) * 2001-08-29 2006-11-14 Endress+Hauser Flowtec Ag Vibration-type measuring sensor
US6957587B2 (en) * 2001-08-29 2005-10-25 Endress + Hauser Flowtech, Ag Vibratory transducer
EP1296119A1 (de) * 2001-09-21 2003-03-26 Endress + Hauser Flowtec AG Messaufnehmer vom Vibrationstyp
US8100552B2 (en) * 2002-07-12 2012-01-24 Yechezkal Evan Spero Multiple light-source illuminating system
US7059199B2 (en) 2003-02-10 2006-06-13 Invensys Systems, Inc. Multiphase Coriolis flowmeter
US7188534B2 (en) * 2003-02-10 2007-03-13 Invensys Systems, Inc. Multi-phase coriolis flowmeter
US7013740B2 (en) * 2003-05-05 2006-03-21 Invensys Systems, Inc. Two-phase steam measurement system
US7072775B2 (en) * 2003-06-26 2006-07-04 Invensys Systems, Inc. Viscosity-corrected flowmeter
US7065455B2 (en) * 2003-08-13 2006-06-20 Invensys Systems, Inc. Correcting frequency in flowtube measurements
US7040181B2 (en) 2004-03-19 2006-05-09 Endress + Hauser Flowtec Ag Coriolis mass measuring device
US7284449B2 (en) * 2004-03-19 2007-10-23 Endress + Hauser Flowtec Ag In-line measuring device
DE102004018326B4 (de) 2004-04-13 2023-02-23 Endress + Hauser Flowtec Ag Vorrichtung und Verfahren zum Messen einer Dichte und/oder einer Viskosität eines Fluids
DE102005003161B4 (de) * 2005-01-21 2007-03-01 Krohne Ag Massendurchflußmeßgerät
US7392709B2 (en) * 2005-05-16 2008-07-01 Endress + Hauser Flowtec Ag Inline measuring device with a vibration-type measurement pickup
DE102005046319A1 (de) 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Verfahren zum Messen eines in einer Rohrleitung strömenden Mediums sowie Meßsystem dafür
US7325461B2 (en) 2005-12-08 2008-02-05 Endress + Hauser Flowtec Ag Measurement transducer of vibration-type
US7360453B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
US7360452B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
JP5114427B2 (ja) 2005-12-27 2013-01-09 エンドレス ウント ハウザー フローテック アクチエンゲゼルシャフト インライン測定装置、およびインライン測定装置における測定誤差を補正するための方法
US7555962B2 (en) * 2006-03-22 2009-07-07 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
US7631561B2 (en) * 2006-03-22 2009-12-15 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
US7546777B2 (en) * 2006-03-22 2009-06-16 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
DE102006013601A1 (de) 2006-03-22 2007-09-27 Endress + Hauser Flowtec Ag Meßaufnehmer vom Vibrationstyp
US7617055B2 (en) 2006-08-28 2009-11-10 Invensys Systems, Inc. Wet gas measurement
DE102006062600B4 (de) 2006-12-29 2023-12-21 Endress + Hauser Flowtec Ag Verfahren zum Inbetriebnehmen und/oder Überwachen eines In-Line-Meßgeräts
DE102007021099A1 (de) 2007-05-03 2008-11-13 Endress + Hauser (Deutschland) Ag + Co. Kg Verfahren zum Inbetriebnehmen und/oder Rekonfigurieren eines programmierbaren Feldmeßgeräts
RU2475708C2 (ru) * 2007-08-29 2013-02-20 Майкро Моушн, Инк. Стягивающая оправка с лепестковыми вырезами для пайки твердым припоем к расходомерной трубке
JP4884408B2 (ja) * 2008-02-01 2012-02-29 株式会社オーバル コリオリ流量計
DE102008016235A1 (de) 2008-03-27 2009-10-01 Endress + Hauser Flowtec Ag Verfahren zum Betreiben eines auf einer rotierenden Karussell-Abfüllmachine angeordneten Meßgeräts
EP2279392B1 (en) 2008-04-02 2021-07-14 Micro Motion, Inc. Brace bar with a partial bond
DE102008035877A1 (de) 2008-08-01 2010-02-04 Endress + Hauser Flowtec Ag Meßwandler vom Vibrationstyp
DE102008044186A1 (de) 2008-11-28 2010-06-02 Endress + Hauser Flowtec Ag Magneteinrichtung sowie Meßaufnehmer vom Vibrationstyp mit einer solchen Magneteinrichtung
DE102009012474A1 (de) 2009-03-12 2010-09-16 Endress + Hauser Flowtec Ag Meßsystem mit einem Messwandler vom Vibrationstyp
JP5335583B2 (ja) * 2009-07-06 2013-11-06 株式会社キーエンス コリオリ質量流量計
DE102009028007A1 (de) 2009-07-24 2011-01-27 Endress + Hauser Flowtec Ag Meßumwandler vom Vibrationstyp sowie Meßgerät mit einem solchen Meßwandler
DE102009028006A1 (de) * 2009-07-24 2011-01-27 Endress + Hauser Flowtec Ag Meßwandler vom Vibrationstyp sowie Meßgerät mit einem solchen Meßwandler
DE102011103331B3 (de) 2011-05-27 2012-11-29 Inor Process Ab Temperaturfühler für ein Kontaktthermometer
DE102011085408A1 (de) 2011-10-28 2013-05-02 Endress + Hauser Flowtec Ag Meßwandler sowie damit gebildetes Meßsystem
RU2598160C1 (ru) 2012-08-21 2016-09-20 Майкро Моушн, Инк. Расходомер кориолиса и способ с улучшенной нулевой составляющей измерителя
DE102012018988A1 (de) * 2012-09-27 2014-04-17 Krohne Ag Coriolis-Massedurchflussmessgerät
DE102012109729A1 (de) 2012-10-12 2014-05-15 Endress + Hauser Flowtec Ag Meßsystem zum Ermitteln eines Volumendruchflusses und/oder einer Volumendurchflußrate eines in einer Rohrleitung strömenden Mediums
WO2014056709A1 (de) 2012-10-11 2014-04-17 Endress+Hauser Flowtec Ag Messsystem zum ermitteln eines volumendurchflusses und/oder einer volumendurchflussrate eines in einer rohrleitung strömenden mediums
CN103278204B (zh) * 2013-04-27 2015-07-29 北京航空航天大学 科氏效应与差压效应融合的微小质量流量传感器
DE102013106157A1 (de) 2013-06-13 2014-12-18 Endress + Hauser Flowtec Ag Meßsystem mit einem Druckgerät sowie Verfahren zur Überwachung und/oder Überprüfung eines solchen Druckgeräts
DE102013106155A1 (de) 2013-06-13 2014-12-18 Endress + Hauser Flowtec Ag Meßsystem mit einem Druckgerät sowie Verfahren zur Überwachung und/oder Überprüfung eines solchen Druckgeräts
JP2013238610A (ja) * 2013-07-16 2013-11-28 Micro Motion Inc 流管アセンブリおよびその形成方法
AU2015317297B2 (en) 2014-09-19 2018-11-08 Weatherford Technology Holdings, Llc Coriolis flow meter having flow tube with equalized pressure differential
DE102015109790B4 (de) 2015-06-18 2025-08-14 Endress + Hauser Flowtec Ag Coriolis-Massedurchflussmessgerät und/oder Dichtemessgerät
DE102015118864A1 (de) 2015-11-04 2017-05-04 Endress + Hauser Flowtec Ag Adapter zum Verbinden von Fluidleitungen sowie damit gebildetes Fluidleitungssystem
DE102016109058A1 (de) 2016-05-17 2017-11-23 Endress+Hauser Flowtec Ag Fluidleitungssystem
US9976889B1 (en) 2016-11-21 2018-05-22 Rota Yokogawa Gmbh & Co. Kg Method of assembling a tuning fork or a coriolis mass flowmeter, product and intermediate product of this method
EP3495784A1 (de) * 2017-12-07 2019-06-12 Heinrichs Messtechnik GmbH Coriolis-massendurchflussmessgerät
DE102019120339A1 (de) 2019-07-26 2021-01-28 Endress+Hauser Flowtec Ag Strömungsteiler sowie damit gebildetes Fluidleitungssystem
CN117242322A (zh) 2020-11-12 2023-12-15 恩德斯+豪斯流量技术股份有限公司 分流器和由该分流器形成的流体管路系统
DE102021131866A1 (de) 2021-12-03 2023-06-07 Endress+Hauser Flowtec Ag Verfahren zum Detektieren eines Fremdkörpers in einem Medium
DE102022100227A1 (de) 2022-01-05 2023-07-06 Endress+Hauser Flowtec Ag Fluidleitungssystem
NO20230912A1 (en) * 2023-08-25 2025-02-26 Cignus Instr As Transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31450A (en) * 1861-02-19 Improvement in tools used in the manufacture of iron
US4187721A (en) * 1977-07-25 1980-02-12 S & F Associates Method and structure for flow measurement
JPS56125622A (en) * 1980-03-08 1981-10-02 S T Kenkyusho:Kk Mass flowmeter
US4422338A (en) * 1981-02-17 1983-12-27 Micro Motion, Inc. Method and apparatus for mass flow measurement
US5423221A (en) * 1986-02-11 1995-06-13 Abb K-Flow Inc. Mass flow measuring device
US4823614A (en) * 1986-04-28 1989-04-25 Dahlin Erik B Coriolis-type mass flowmeter
US4823613A (en) * 1986-10-03 1989-04-25 Micro Motion, Inc. Density insensitive coriolis mass flow rate meter

Also Published As

Publication number Publication date
EP0848235A3 (en) 1998-10-14
EP0431132A1 (en) 1991-06-12
AU625788B2 (en) 1992-07-16
EP0848235A2 (en) 1998-06-17
MX171455B (es) 1993-10-27
DE69032658T2 (de) 1999-02-11
EP0431132B1 (en) 1998-09-16
CA2033992A1 (en) 1990-12-10
CA2033992C (en) 1996-07-16
US5301557A (en) 1994-04-12
HUT72145A (en) 1996-03-28
WO1990015310A1 (en) 1990-12-13
EP0848234A3 (en) 1998-10-14
JPH04502062A (ja) 1992-04-09
DE69032658D1 (de) 1998-10-22
JP2780488B2 (ja) 1998-07-30
EP0431132A4 (en) 1991-12-11
AU5853290A (en) 1991-01-07
ATE171270T1 (de) 1998-10-15
EP0848234A2 (en) 1998-06-17

Similar Documents

Publication Publication Date Title
BR9006797A (pt) Medidor de fluxo de massa coriolis de melhor estabilidade
WO1995016897A3 (en) Single path radial mode coriolis mass flow rate meter
RU2006113688A (ru) Способ измерения скоростей/ускорений с использованием кориолисова гироскопа-датчика угловой скорости, а также кориолисов гироскоп, который пригоден для этой цели
DE69017020D1 (de) Coriolis-massendurchflussmesser mit erhöhter störgeräuschunempfindlichkeit.
DE3774984D1 (de) Nach dem coriolisprinzip arbeitendes massendurchflussmessgeraet.
DE50000628D1 (de) Massendurchflussmessgerät
NL191617B (nl) Volgens het Coriolisprincipe werkend massastromingsmeetinstrument.
ES8305494A1 (es) Mejoras introducidas en un metodo para medir fuerzas de coriolis y en un medidor de caudal masico por fuerzas coriolis.
HK59684A (en) Method and structure for flow measurement
ATE210277T1 (de) Digitales steuersystem für vibrationsstrukturkreisel
DK0448913T3 (da) Massegennemstrømningsmåleapparat efter Coriolisprincippet
FR2575824B1 (fr) Appareil de mesure de debit massique selon le principe de coriolis
ATE72897T1 (de) Vibrationskraftsensor.
ATE204073T1 (de) Gyrometer mit mechanischem resonator
RU2209394C2 (ru) Микромеханический гироскоп
DE69817617D1 (de) Winkelsensor
SE8406148D0 (sv) Tvaaxlig multisensor
RU97108615A (ru) Бесплатформенная инерциальная навигационная система подводного аппарата
RU93032925A (ru) Вибрационный гироскоп
FR2557978B1 (fr) Detecteur de vitesse angulaire utilisant des accelerometres vibrant en parallele
JPS56120924A (en) Vibrator for optical chopper of light detecting device
DE69634636D1 (de) Oszillationskreisel
DE60036298D1 (de) Seismische vorrichtung zum wiegen bei bewegungsvorgängen
RU93013919A (ru) Вибрационный гироскоп
SU1323964A1 (ru) Стенд дл градуировки угловых акселерометров

Legal Events

Date Code Title Description
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B19A Notification of judicial decision: notification of judicial decision

Free format text: INPI-52400.004039/04 38A VARA FEDERAL DA SECAO JUDICIARIA DO RIO DE JANEIRO PROC. N 2004.51.01.00534588-1 ACAO ORDINARIA/PREVIDENCIARIA AUTOR: MICRO MOTION INC. REU: INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: DEFIRO A ANTECIPACAO DA TUTELA, GARANTINDO A AUTORA MICRO MOTION, INC. A EXTENSAO DO PRAZO DA PATENTE N. PI 9006797-5 DE 15 (QUINZE) PARA 20 (VINTE) ANOS, CONTADOS DO DEPOSITO DO PEDIDO (19900608)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 08/06/2005