NL164949C - CONTROLLED BLIND FAN. - Google Patents

CONTROLLED BLIND FAN.

Info

Publication number: NL164949C
Authority: NL; Netherlands
Prior art keywords: controlled blind; fan; blind fan; controlled; blind
Prior art date: 1973-04-06

Application number

NL7404674.A

Other languages

Dutch (nl)

Other versions

NL7404674A (en

Original Assignee

Colt Int Ltd

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.)

1973-04-06

Filing date

1974-04-05

Publication date

1981-02-16

1974-04-05 Application filed by Colt Int Ltd filed Critical Colt Int Ltd

1974-10-08 Publication of NL7404674A publication Critical patent/NL7404674A/xx

1981-02-16 Application granted granted Critical

1981-02-16 Publication of NL164949C publication Critical patent/NL164949C/en

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Blinds (AREA)
Air-Flow Control Members (AREA)

NL7404674.A 1973-04-06 1974-04-05 CONTROLLED BLIND FAN. NL164949C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1646973A GB1461786A (en)	1973-04-06	1973-04-06	Ventilators

Publications (2)

Publication Number	Publication Date
NL7404674A NL7404674A (en)	1974-10-08
NL164949C true NL164949C (en)	1981-02-16

Family

ID=10077904

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7404674.A NL164949C (en)	1973-04-06	1974-04-05	CONTROLLED BLIND FAN.

Country Status (8)

Country	Link
BE (1)	BE813393A (en)
DE (2)	DE7411890U (en)
ES (1)	ES425019A1 (en)
FR (1)	FR2236148B1 (en)
GB (1)	GB1461786A (en)
IT (1)	IT1009651B (en)
NL (1)	NL164949C (en)
ZA (1)	ZA742137B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1583995A (en) *	1976-06-05	1981-02-04	Colt Int Ltd	Ventilators
DE2839998A1 (en) *	1978-09-14	1980-04-03	Betonbau Gmbh	Switchgear housing ventilating grid - has tilting inner slats swung into closed position by internal explosion to form barrier
DE2952767A1 (en) *	1979-10-12	1981-04-23	Colt International Gmbh, 4190 Kleve	VENTILATION DEVICE FOR BUILDING
FI84857C (en) *	1987-09-15	1992-01-27	Ilmaterae Oy	REGLERINGS- OCH STAENGANORDNING FOER GASSTROEMMAR.
GB2285860B (en) *	1993-10-30	1998-03-18	Gilberts	Louvred apparatus
CN107051015A (en) *	2017-02-08	2017-08-18	刘荣甫	A kind of outer compatible air purifier of low-noise indoor

1973
- 1973-04-06 GB GB1646973A patent/GB1461786A/en not_active Expired
1974
- 1974-04-03 ZA ZA00742137A patent/ZA742137B/en unknown
- 1974-04-04 DE DE7411890U patent/DE7411890U/en not_active Expired
- 1974-04-04 DE DE2416417A patent/DE2416417A1/en active Pending
- 1974-04-05 ES ES425019A patent/ES425019A1/en not_active Expired
- 1974-04-05 NL NL7404674.A patent/NL164949C/en not_active IP Right Cessation
- 1974-04-05 BE BE142931A patent/BE813393A/en not_active IP Right Cessation
- 1974-04-08 IT IT20637/74A patent/IT1009651B/en active
- 1974-04-08 FR FR7412300A patent/FR2236148B1/fr not_active Expired

Also Published As

Publication number	Publication date
NL7404674A (en)	1974-10-08
FR2236148A1 (en)	1975-01-31
DE2416417A1 (en)	1974-10-24
AU6744874A (en)	1975-10-02
IT1009651B (en)	1976-12-20
FR2236148B1 (en)	1979-08-24
GB1461786A (en)	1977-01-19
BE813393A (en)	1974-07-31
DE7411890U (en)	1977-07-07
ZA742137B (en)	1975-04-30
ES425019A1 (en)	1976-05-16

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Legal Events

Date	Code	Title	Description
1993-12-16	V1	Lapsed because of non-payment of the annual fee