Patents
Sitemap › F21 - Lighting › F21V - Functional features or details of lighting devices or systems thereof; Structural combinations of lighting devices with other articles, not otherwise provided for › F21V 31 - Gas-tight or water-tight arrangements
Patents for F21V 31 - Gas-tight or water-tight arrangements (10,754)
06/1991
06/11/1991CA1284794C Ventilation system for stage light instrument
05/1991
05/22/1991CN2077513U Explosion-proof fluorecent lamp
05/14/1991US5016151 High-intensity underwater light source
05/14/1991US5014964 Vent nozzle
05/10/1991WO1991007641A1 Aquarium lighting system
05/10/1991CA2068319A1 Aquarium lighting system
05/08/1991EP0425642A1 High-intensity underwater light source
05/08/1991DE3936374A1 Automobile headlamp with improved characteristics - incorporates IR filter used to provide heating for use of headlamp at low temps.
04/1991
04/30/1991US5012395 Modular explosion protected lamp fixture meeting "increased safety" standards
04/25/1991DE3926010A1 Water-tight plastic light - has lighting part and separate wiring coupled by sealed connection
04/23/1991US5010453 Vehicle lamp ventilation system
04/23/1991US5009325 Cap of vent nozzle
04/17/1991CN2075297U Waterproof structure for electric torch switch
04/16/1991US5008785 Rechargeable miniature flashlight
04/03/1991CN2074420U Cap of the lamp holder
03/1991
03/26/1991US5003446 Composite headlamp vent device
03/26/1991US5003440 Tailcap insert
03/21/1991WO1991003681A1 Vent nozzle
03/20/1991EP0417502A2 Electrical underwater device, especially lamp
03/13/1991EP0416253A2 Light
02/1991
02/26/1991US4996635 Deep submersible light assembly with dry pressure dome
02/19/1991CA1280390C Sealed chambers
02/14/1991DE4025207A1 Protective mounting for low pressure mercury vapour lamp - has protective tube surrounding, but spaced apart from, lamp to prevent overheating
01/1991
01/15/1991US4984862 Light radiator for the cultivation of fish
12/1990
12/25/1990US4979905 Motor-vehicle lamp assembly
12/19/1990EP0403071A2 Tailcap insert
12/05/1990EP0400318A1 Fixture for a discharge lamp, particularly a fluorescent lamp
11/1990
11/27/1990US4974132 Light trap for arc lamp ventilating system
11/18/1990WO1990014555A1 High-intensity underwater light source
11/18/1990CA2033097A1 High-intensity underwater light source
10/1990
10/30/1990US4967328 Omnidirectional shock absorbing lamp mounting system for illuminated apparatus
10/17/1990EP0392950A1 Lighting fixture for immersion in water
10/17/1990EP0392217A1 Elongated light fixture
10/17/1990EP0392136A2 Explosion-proof light fitting
10/02/1990US4961111 Video inspection system for hazardous environments
09/1990
09/27/1990DE3909889A1 Strip light
09/11/1990US4956755 Mechanical actuation
09/05/1990EP0384968A1 Lamp mounting for motor vehicles
08/1990
08/09/1990DE3903453A1 Sealing frame for an assembled luminaire housing
08/07/1990US4947304 Underwater lamp having watertight electrical connection
07/1990
07/25/1990CN1044024A Light radiator for cultivation of fish
07/17/1990US4942505 Miniature flashlight
07/10/1990US4940860 Waterproof switching device
07/09/1990CA2004595A1 Light radiator for the cultivation of fish
07/03/1990CA1271176A1 Decorative light tubing and method of manufacture thereof
06/1990
06/27/1990EP0374846A2 Arc discharge headlamp system
06/26/1990US4937710 Ventilation system for headlamp
06/21/1990CA2005585A1 Arc discharge headlamp system
06/19/1990US4935852 Decorative bulbholder
06/05/1990US4931915 Sealing system for grade mounted light fixture
06/05/1990US4931912 Square headlamp for automobile
06/05/1990US4931023 Cord strain relief device and associated lamp
05/1990
05/29/1990US4930054 Dual cone recessed lighting fixture
05/23/1990DE3839042A1 Electrical workplace luminaire
05/17/1990DE3937637A1 Headlamp for motor vehicle - has reflector adjusting unit mounted fluid-tight in tubular support connected to housing
05/15/1990CA1269082A1 Flashlight
05/10/1990DE3837548A1 Luminaire
04/1990
04/24/1990US4920459 Arc discharge headlamp system
03/1990
03/06/1990US4907139 Photocontrol device for grade mounted light fixture
02/1990
02/20/1990US4903180 Luminaire with protected prismatic reflector
02/06/1990US4899265 Miniature flashlight
01/1990
01/31/1990EP0353110A1 Venting means for an electronic or electric protective box
12/1989
12/28/1989DE3821032A1 Headlamp (headlight) arrangement for a motor vehicle
11/1989
11/02/1989EP0340047A2 Single cell flashlight
09/1989
09/05/1989US4864474 Single cell flashlight
08/1989
08/29/1989US4862337 Automotive lamp assembly
08/29/1989US4862335 Closure system for two container parts
08/29/1989US4862330 Vehicle lamp
07/1989
07/25/1989US4851974 Flashlight
07/25/1989US4851972 Moisture resistant lighting tube
07/18/1989US4849865 Headlamp ventilation system
07/11/1989US4847531 Waterproofing device for display unit
07/04/1989US4845600 Vehicle spoiler lamp device
06/1989
06/13/1989US4839782 Weatherproof lighting fixture with hermetically sealed base plate
06/06/1989CA1255276A1 Replaceable automobile headlight lamp unit and automobile headlight utilizing same
05/1989
05/31/1989EP0317896A1 Headlamp for motor vehicles
05/23/1989US4833572 Headlamp ventilation system
05/18/1989WO1989004436A1 Lighting device
05/10/1989EP0315520A1 Light fixture with fluorescent tubes
05/03/1989EP0314031A2 Lighting fixture with a transparent cover and a body connected to the cover
05/02/1989US4827386 Water-proof and impact-resistant lighting fixture
05/02/1989CA1253475A1 High intensity discharge light fixture
04/1989
04/26/1989EP0313285A2 Rechargeable miniature flashlight
04/18/1989US4823242 Double switch miniature flashlight
04/04/1989US4819141 Flashlight
02/1989
02/28/1989US4809144 Vehicle headlamp with a vent hole
02/14/1989US4805077 Lighting fixture having a sealed, weatherproof secondary cover
02/07/1989CA1249804A1 Adjustable lighting luminaire
02/01/1989EP0301236A2 Spray-sealed projector
02/01/1989EP0301146A1 Adjustably mounted lighting fixture for a pool containing radioactive material
01/1989
01/31/1989US4802068 Foamed silicone
01/26/1989DE3723867A1 Protective-tubing luminaire
01/25/1989EP0300482A2 Automotive lamp assembly
01/24/1989US4800472 Battery-powered lamp
01/03/1989US4796167 Locus identifying device
01/03/1989US4796163 Motor vehicle headlight
12/1988
12/14/1988EP0190208B1 A device for fastening a lamp on a surface
11/1988
11/15/1988US4785386 Orientable lighting apparatus for a pond containing radioactive materials
11/02/1988EP0289124A1 Waterproofing device for display unit
11/01/1988US4782432 Multi-function light
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