| Patents for H01K 1 - Details (7,905) |
|---|
| 08/30/1989 | EP0330268A1 Electric lamp |
| 08/24/1989 | DE3804035A1 Light source |
| 08/23/1989 | CN2043426U Power-saving life-prolonging spacer for incandescent lamp |
| 08/22/1989 | US4859906 Deep UV lamp bulb with improved fill |
| 08/16/1989 | EP0328379A2 Halogen lamp |
| 08/16/1989 | EP0328065A2 Improved getter for incandescent lamps |
| 08/16/1989 | EP0327570A1 Coloured electric light devices |
| 08/15/1989 | US4857804 Tungsten-halogen lamp with metal additive |
| 08/08/1989 | US4855876 Automobile lamp assembly |
| 08/08/1989 | US4855634 Reflector and eyelet construction for reflector-type lamps |
| 07/25/1989 | US4851733 Electric lamp having a metal foil with a convexly and concavely curved surface |
| 07/18/1989 | US4849670 Electric lamp having a pinch supported in a sleeve-shared cap |
| 07/18/1989 | US4849669 Electric incandescent lamp for operation at line voltage |
| 07/12/1989 | CN2040823U Auto-locking fixing system for lamps |
| 07/05/1989 | CN2040673U Light collecting electricity saving bulb |
| 07/04/1989 | CA1256933A1 Mounting structure for multi-filaments of an incandescent lamp |
| 06/27/1989 | US4843276 Electric incandescent lamp assembly having simplified construction |
| 06/20/1989 | CA1256078A1 Reflectror lamps having multiple and aimed parabolic sections |
| 06/14/1989 | EP0320245A2 Multiple color light with stucture to prevent color bleeding |
| 06/13/1989 | US4839779 Multiple color light with structure to prevent color bleeding |
| 06/13/1989 | US4839559 Radiant energy incandescent lamp |
| 06/13/1989 | US4839553 Reflector lamp having complementary dichroic filters on the reflector and lens for emitting colored light |
| 06/13/1989 | CA1255740A1 Lamp holder assembly having rotatable base shell |
| 06/13/1989 | CA1255739A1 Electric lamp with metal foils having concave and convex curvatures |
| 06/13/1989 | CA1255736A1 Bonded beam lamp |
| 06/06/1989 | US4837479 Electric lamp with insulating base |
| 06/06/1989 | CA1255335A1 Molybdenum sealing glasses |
| 06/06/1989 | CA1255276A1 Replaceable automobile headlight lamp unit and automobile headlight utilizing same |
| 05/31/1989 | CN2038675U Safety simple tooth-fastening type lamp socket and bulb |
| 05/30/1989 | US4835443 High voltage hard glass halogen capsule |
| 05/30/1989 | US4835439 Increasing the oxidation resistance of molybdenum and its use for lamp seals |
| 05/30/1989 | US4835406 Switching device |
| 05/24/1989 | CN2038280U Socket bulb |
| 05/23/1989 | US4833576 Mixture with phosphoric acid, fine aluminia particles and filler |
| 05/10/1989 | CN2037501U Long-life incandescence lamp |
| 05/09/1989 | US4829210 Multifunctional structural member and reflector lamp employing same |
| 05/03/1989 | EP0314220A1 Low-pressure mercury vapour discharge lamp |
| 05/02/1989 | CA1253563A1 Capped electric lamp |
| 05/02/1989 | CA1253562A1 A r lamp having an improved dome portion for increasing the useful light output |
| 04/18/1989 | US4823048 Electric lamp having pinch a seal with primary foils arranged between each current supply conductor and a respective auxiliary foil |
| 04/12/1989 | EP0310792A2 Signal lamp for mounting on circuit boards |
| 04/12/1989 | CN2035921U Energy-saving lamp holder |
| 04/12/1989 | CN1003898B Electric incandescent lamp with reflecting screen |
| 04/05/1989 | EP0309750A2 Aluminum phosphate cement compositions and lamp assemblies containing same |
| 04/05/1989 | EP0309749A1 Molybdenum seal resistant to oxidation and its use in lamp seals |
| 04/05/1989 | CN1032140A Headlight lantern system and electric lamp for this system |
| 03/30/1989 | DE3817861A1 Socket (holder) for a battery lamp |
| 03/29/1989 | EP0309041A1 Capped electric lamp |
| 03/29/1989 | EP0309040A1 Headlight lantern system and electric lamp for this system |
| 03/29/1989 | CN2035140U Power-adjustable incandescent lamp and its socket |
| 03/28/1989 | US4816977 Lamp with removable bulb capsule |
| 03/28/1989 | US4816714 Energy saving incandescent lamp |
| 03/28/1989 | CA1251826A1 Capped electric lamp |
| 03/14/1989 | US4812710 Self-tensioning coiled-coil filaments held against plate-like surfaces of current supply leads |
| 03/14/1989 | US4812703 Electric lamp assembly |
| 03/08/1989 | EP0306269A2 Double-enveloped electric lamp |
| 03/08/1989 | EP0305730A2 Holder for a small lamp bulb |
| 03/08/1989 | CN1031552A Cemedine for lamp bulb and its production |
| 03/07/1989 | US4810932 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
| 03/07/1989 | US4810221 Method for gettering incandescent lamps |
| 03/01/1989 | EP0305135A2 Optical interference film having high and low refractive index layers inter-layer connection of which is strengthened |
| 02/28/1989 | US4808885 Electric incandescent lamp for series arrangement having an electrically conductive vitreous body connecting oxide coated current-supply conductors |
| 02/21/1989 | US4806817 Filament supporting multi-planar wire insert for electric incandescent lamp |
| 02/15/1989 | CN2032762U Safety bayonet lamp and socket |
| 02/14/1989 | US4804878 Electric lamp, base for use therewith and method of assembling same |
| 02/07/1989 | US4803394 Lamp vessel for multiple lamp types |
| 02/07/1989 | US4803370 Infrared light generation |
| 02/01/1989 | EP0301564A2 Automobile lamp assembly |
| 01/31/1989 | US4801845 Halogen incandescent lamp structure |
| 01/25/1989 | EP0300654A2 Protective electric fuses |
| 01/24/1989 | CA1249258A1 Replaceable automobile headlight lamp unit |
| 01/24/1989 | CA1249257A1 Replaceable lamp unit and automobile headlight utilizing same |
| 01/18/1989 | CN2031162U Three tungsten filament lamp bulb and lamp socket |
| 01/11/1989 | CN1030227A Extraction agent of extracting sodium vanilate from alkaline solution |
| 01/10/1989 | US4797302 Aluminum coating used to form aluminum oxide coating |
| 01/05/1989 | DE3819895A1 Electric lamp |
| 01/03/1989 | US4795939 Electric lamp bulb attachment arrangement |
| 01/03/1989 | US4795388 Method of making replaceable lamp unit for use in automobile headlight |
| 12/21/1988 | EP0295592A2 Electric lamp |
| 12/13/1988 | US4791335 Decorative bulb with annular groove and water-proof socket |
| 12/13/1988 | US4791333 Electric lamp with internal conductive reflector forming part of the circuitry thereof |
| 12/13/1988 | CA1246659A1 Higher efficiency incandescent lighting units |
| 12/13/1988 | CA1246657A1 Tungsten-halogen lamp with hydrogen fluoride |
| 12/13/1988 | CA1246516A1 Infrared floodlight |
| 12/07/1988 | CN88204588U Rotatory circle clasp shift light-adjusting multifilament bulb |
| 12/07/1988 | CN88204043U Lamp holder and bulb mounting and dismounting conveniently |
| 12/06/1988 | US4789920 Lamp and base assembly, particularly for association with an automotive head lamp reflector |
| 12/06/1988 | CA1246133A1 Tungsten halogen lamp with heat-dissipating base |
| 11/30/1988 | EP0293043A1 Electric lamp |
| 11/30/1988 | CN88200634U New-type lamp-holder |
| 11/30/1988 | CN88102907A Electric lamp provided with getter |
| 11/29/1988 | US4788469 Multi-use lamp vessel and an incandescent lamp |
| 11/29/1988 | US4787865 Three-way lamp bases and method for making them |
| 11/29/1988 | CA1245705A1 Incandescent lamp having two lead-in conductors sealed within one end thereof |
| 11/29/1988 | CA1245704A1 Bridgeless tungsten halogen lamp |
| 11/22/1988 | CA1245278A1 Line-voltage low-wattage tungsten-halogen lamp with means for reducing the voltage across the filament |
| 11/22/1988 | CA1245275A1 Electric lamp with insulating base |
| 11/22/1988 | CA1245274A1 Porous nickel tubing having getter material therein for incandescent and discharge lamps |
| 11/22/1988 | CA1245273A1 Pressed powdered getter material for incandescent and discharge lamps |
| 11/22/1988 | CA1245272A1 Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope |