[go: up one dir, main page]

USD298473S - Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like - Google Patents

Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like Download PDF

Info

Publication number
USD298473S
USD298473S US06/899,052 US89905286F USD298473S US D298473 S USD298473 S US D298473S US 89905286 F US89905286 F US 89905286F US D298473 S USD298473 S US D298473S
Authority
US
United States
Prior art keywords
exhaust air
clean room
filtration unit
sterile environment
helmet worn
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US06/899,052
Inventor
Wyman H. Stackhouse
Ian M. Williamson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STACK HOLDINGS Inc
Stackhouse Associates Inc
Original Assignee
W Stockhouse Associates 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 W Stockhouse Associates Inc filed Critical W Stockhouse Associates Inc
Priority to US06/899,052 priority Critical patent/USD298473S/en
Assigned to W. Stackhouse Associates, Inc. reassignment W. Stackhouse Associates, Inc. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: STACKHOUSE, WYMAN H., WILLIAMSON, IAN M.
Application granted granted Critical
Publication of USD298473S publication Critical patent/USD298473S/en
Assigned to STACK HOLDINGS, INC. reassignment STACK HOLDINGS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: STACKHOUSE, MILDRED, STACKHOUSE, WYMAN
Assigned to STACKHOUSE, INC. reassignment STACKHOUSE, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STACKHOUSE, WYMAN H.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Description

FIG. 1 is a top plan view of a filtration unit for exhaust air from a clean room helmet worn in a sterile environment or the like showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a left side elevational view thereof, the right side being substantially similar in appearance;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a perspective view thereof.

Claims (1)

  1. The ornamental design for a filtration unit for exhaust air from a clean room helmet worn in a sterile environment or the like, as shown and described.
US06/899,052 1986-08-22 1986-08-22 Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like Expired - Lifetime USD298473S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/899,052 USD298473S (en) 1986-08-22 1986-08-22 Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/899,052 USD298473S (en) 1986-08-22 1986-08-22 Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like

Publications (1)

Publication Number Publication Date
USD298473S true USD298473S (en) 1988-11-08

Family

ID=70153927

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/899,052 Expired - Lifetime USD298473S (en) 1986-08-22 1986-08-22 Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like

Country Status (1)

Country Link
US (1) USD298473S (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370695B2 (en) 1998-01-16 2002-04-16 Depuy Orthopaedics, Inc. Head gear apparatus
US6990691B2 (en) 2003-07-18 2006-01-31 Depuy Products, Inc. Head gear apparatus
USD912886S1 (en) * 2019-10-17 2021-03-09 L.A. Lighter, Inc. Lighter
USD1014731S1 (en) * 2019-01-17 2024-02-13 Johnson Controls Tyco IP Holdings LLP Damper
US12000721B2 (en) 2018-01-17 2024-06-04 Tyco Fire & Security Gmbh Air duct airflow sensor with internal low-pressure detector
US12025335B2 (en) 2018-01-17 2024-07-02 Johnson Controls, Inc. Air duct damper
US12038185B2 (en) 2018-01-17 2024-07-16 Tyco Fire & Security Gmbh Air duct assembly with field accessible ports in communication with a pressure source and pressure sensing ports in communication with a pressure sensor
US12372270B2 (en) 2018-01-17 2025-07-29 Air Distribution Technologies Ip, Llc Air duct damper and installation components
US12385768B2 (en) 2022-08-31 2025-08-12 Tyco Fire & Security Gmbh Air duct airflow sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506667A (en) 1969-05-01 1970-04-14 Warner Lambert Pharmaceutical Furo quinoline carboxylates
US4548626A (en) 1984-04-30 1985-10-22 Figgie International Inc. Particulate air filter assembly
US4614186A (en) 1984-11-19 1986-09-30 Molecular Technology Corporation Air survival unit
US4676236A (en) 1983-09-09 1987-06-30 Gentex Corporation Helmet airflow system
USD295046S (en) 1985-02-25 1988-04-05 Racal Safety Limited Pump assembly for supplying air to a respirator, or the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506667A (en) 1969-05-01 1970-04-14 Warner Lambert Pharmaceutical Furo quinoline carboxylates
US4676236A (en) 1983-09-09 1987-06-30 Gentex Corporation Helmet airflow system
US4548626A (en) 1984-04-30 1985-10-22 Figgie International Inc. Particulate air filter assembly
US4614186A (en) 1984-11-19 1986-09-30 Molecular Technology Corporation Air survival unit
USD295046S (en) 1985-02-25 1988-04-05 Racal Safety Limited Pump assembly for supplying air to a respirator, or the like

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370695B2 (en) 1998-01-16 2002-04-16 Depuy Orthopaedics, Inc. Head gear apparatus
US6393617B1 (en) 1998-01-16 2002-05-28 Depuy Orthopaedics, Inc. Head gear apparatus
US6513168B2 (en) 1998-01-16 2003-02-04 Depuy Orthopaedics, Inc. Head gear apparatus
US6711748B2 (en) 1998-01-16 2004-03-30 Depuy Orthopaedics, Inc. Head gear apparatus having movably mounted fan
US7937779B2 (en) 2003-07-18 2011-05-10 Depuy Products Head gear apparatus having improved air flow arrangement
US7200873B2 (en) 2003-07-18 2007-04-10 Depuy Products, Inc. Head gear apparatus having improved air flow arrangement
US6990691B2 (en) 2003-07-18 2006-01-31 Depuy Products, Inc. Head gear apparatus
US12000721B2 (en) 2018-01-17 2024-06-04 Tyco Fire & Security Gmbh Air duct airflow sensor with internal low-pressure detector
US12025335B2 (en) 2018-01-17 2024-07-02 Johnson Controls, Inc. Air duct damper
US12038185B2 (en) 2018-01-17 2024-07-16 Tyco Fire & Security Gmbh Air duct assembly with field accessible ports in communication with a pressure source and pressure sensing ports in communication with a pressure sensor
US12372270B2 (en) 2018-01-17 2025-07-29 Air Distribution Technologies Ip, Llc Air duct damper and installation components
USD1014731S1 (en) * 2019-01-17 2024-02-13 Johnson Controls Tyco IP Holdings LLP Damper
USD912886S1 (en) * 2019-10-17 2021-03-09 L.A. Lighter, Inc. Lighter
US12385768B2 (en) 2022-08-31 2025-08-12 Tyco Fire & Security Gmbh Air duct airflow sensor

Similar Documents

Publication Publication Date Title
USD293682S (en) Portable air compressor or similar article
USD309182S (en) Pocket fan or similar article
USD333251S (en) Knife handle
USD295675S (en) Air freshener
USD333366S (en) Helmet visor cover
USD360467S (en) Wrist support
USD343980S (en) Back rest air mattress
USD305376S (en) Patient gown
USD308414S (en) Combined dehumidifier and air cleaner
USD308416S (en) Solar powered ventilating fan for welding helmets
USD372079S (en) Fan filter
USD335349S (en) Hand-held hearing screener
USD295674S (en) Air-filter
USD293796S (en) Air cleaner cover
USD315978S (en) Hunter's vest or the like
USD328695S (en) Sander or the like
USD334095S (en) Powered scrubber
USD325966S (en) Kitchen exhaust hood
USD300459S (en) Room air conditioner front enclosure
USD305149S (en) Motorcycle air cleaner
USD298473S (en) Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like
USD300848S (en) Air filter case
USD340318S (en) Cycling helmet having air filtering and breathing means
USD295216S (en) Combined air filter and cleaner unit
USD305291S (en) Stove top burn guard