| Patents for H01K 1 - Details (7,905) |
|---|
| 05/23/1990 | EP0369254A2 Tantala-silica interference filters and lamps using same |
| 05/23/1990 | CN2057533U Bulb without welding sn on edge |
| 05/22/1990 | US4928210 Linear lamp unit with contacts at both ends |
| 05/22/1990 | US4927398 Incandescent lamps including a combined getter |
| 05/16/1990 | CN1008032B Safety bayonet lamp base and socket |
| 05/09/1990 | EP0367323A2 Lamp/reflector unit |
| 05/09/1990 | CN1042000A Lamp/reflector unit |
| 05/08/1990 | US4924134 Internal lamp reflector |
| 05/08/1990 | US4923839 Catalyst of acid acceptor polymer, halogenated organic compound, phenylphosphine compound |
| 05/08/1990 | US4923424 Incandescent lamps including a combined getter |
| 05/01/1990 | US4922108 Infrared radiation source, especially for a multi-channel gas analyzer |
| 04/25/1990 | EP0364831A2 Electric incandescent lamp and method of manufacture therefor |
| 04/24/1990 | CA1268202A1 Tubular electric lamp with an interference filter on tubular portions |
| 04/17/1990 | US4918356 Electric incandescent lamp and method of manufacture therefor |
| 04/17/1990 | US4918355 Electric lamp with protective base |
| 04/17/1990 | US4918354 Compact coiled coil incandescent filament with supports and pitch control |
| 04/11/1990 | CN1007562B Electric incandescent lamp |
| 04/10/1990 | US4916353 Incandescent lamp utilizing cylindrical transparent heat mirror |
| 04/10/1990 | CA1267681A1 Electric lamp with improved self-mounting frame member |
| 04/04/1990 | EP0361674A1 Light source |
| 04/03/1990 | US4914345 Corrosion resistant base for electric lamps |
| 04/03/1990 | US4914342 Narrow spot reflector lamp with diffusing reflector |
| 03/27/1990 | US4912363 Tubular electric incandescent lamp |
| 03/27/1990 | US4912360 Lamp with two internal capsules |
| 03/21/1990 | CN2054942U Bulb and lamp cap |
| 03/21/1990 | CN2054941U Safety screw socket bulb and lamp socket |
| 03/14/1990 | EP0358273A1 Reflector lamp |
| 03/14/1990 | EP0358061A2 Electric incandescent lamp and method of manufacture therefor |
| 03/14/1990 | CN1040458A Electric lamp having light-absorbing coating |
| 03/07/1990 | EP0357078A2 Electric lamp having a coiled incandescent filament and filament movement restraint means |
| 02/28/1990 | CN2053798U Tungsten-halide lamp with improved supporting structure of lamp filament |
| 02/14/1990 | EP0354620A1 Electric lamp with a light-absorbing coating |
| 02/14/1990 | CN2052958U Longlife lamp with adjustable power |
| 02/14/1990 | CN2052954U Longlife power saving cusion for incandescent lamp |
| 02/14/1990 | CN2052953U Bayonet incandescence lamp life-lengthening sheet |
| 02/14/1990 | CN2052952U Longlife lamp with chageable filament connected by screw |
| 02/13/1990 | CA1265840A1 Incandescent lamp having a vessel with an annular reflective coating and a filament arranged zigsagwise |
| 02/07/1990 | EP0353825A1 Electric incandescent lamp |
| 02/06/1990 | US4898558 Getter for incandescent lamps |
| 01/31/1990 | CN1039326A Electric lamp |
| 01/30/1990 | US4897767 Headlight lantern system and electric lamp for this system |
| 01/30/1990 | US4897578 High efficiency incandescent lamp with diode rectifier |
| 01/30/1990 | US4897573 Electric incandescent lamp having discharge arc conductor and discharge arc interruption fuse |
| 01/24/1990 | EP0351920A2 Circuit arrangement for operating an electric incandescent lamp from an alternating voltage source and incandescent lamp for operation in such a circuit arrangement |
| 01/23/1990 | US4896074 Process for marking a glass object and article |
| 01/23/1990 | US4895540 Filament support structure mounting method |
| 01/17/1990 | CN2051398U Light-collecting and power-saving bulb |
| 01/17/1990 | CN1006505B Electric incandescent lamp |
| 01/16/1990 | US4894584 With zirconium, yttrium, and oxygen |
| 01/09/1990 | US4893050 Lamp with a captured reflector and method of manufacture |
| 01/03/1990 | CN2050658U Regeneration long-life bulb of filament lamp |
| 01/02/1990 | US4891555 Metal vapor discharge lamps |
| 01/02/1990 | US4891543 Incandescent lamp having an improved arbor |
| 01/02/1990 | US4891542 Hydrogen scavenger |
| 12/27/1989 | CN2050218U Colour illumination colour-changing bulb |
| 12/19/1989 | US4888519 Polyethersulphone resin adhesives connecting lamp vessel and lamp cap in a transverse direction |
| 12/13/1989 | EP0345890A1 Electric lamp |
| 12/13/1989 | EP0345417A2 Corrosion resistant base for electric lamps |
| 12/13/1989 | EP0345296A1 Wave guides and material comprising wave guides and its application in screens |
| 12/13/1989 | CN2049409U Long service life bulb |
| 12/13/1989 | CN2049408U Electricity-saving incandescent bulb |
| 12/13/1989 | CN1037996A Electric incandescent lamp |
| 12/06/1989 | EP0160037B1 Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope |
| 12/06/1989 | CN2049021U Safe spring inserting type lamp base and lamp holder |
| 11/29/1989 | EP0344127A2 Support for halogen lamp socket and blocking device for the corresponding lead-in wires |
| 11/29/1989 | EP0343721A1 Electric incandescent lamp |
| 11/29/1989 | CN2048625U Non-metal lamp bonding device |
| 11/28/1989 | US4883434 Wedge-base lamp and socket assembly |
| 11/22/1989 | CN2048241U Long life & multi-functional incandescent lamp and lampholder thereof |
| 11/22/1989 | CN2048240U Long life incandescent lamp |
| 11/21/1989 | CA1263137A1 Electric lamp having a mirror-coated lamp vessel |
| 11/15/1989 | CN2047840U Triangular light |
| 11/07/1989 | US4879491 Electric lamp assembly |
| 11/01/1989 | CN2047069U Incandescent lamp with long service life and electronic regulating light |
| 10/24/1989 | US4876482 Halogen cycle incandescent lamp structure |
| 10/18/1989 | CN2046274U Change light lamp |
| 10/11/1989 | CN2045896U Long-life lamp |
| 10/11/1989 | CN2045895U Safety lamp holder and bulb |
| 10/05/1989 | WO1989009488A1 Single crystal whisker electric light filament |
| 10/05/1989 | DE3808703A1 Filament lamp (incandescent lamp) |
| 10/03/1989 | CA1262170A1 Multi-level fuser lamp |
| 09/28/1989 | DE3805027A1 Electric lamp |
| 09/28/1989 | DE3805026A1 Electric lamp |
| 09/26/1989 | US4869927 Thermal decomposition of organometallic compound in high boiling solvent |
| 09/26/1989 | CA1261308A1 Low wattage double filament tungsten-halogen lamp |
| 09/20/1989 | EP0332749A2 Infra-red radiation source, especially for a gas analysis apparatus having multiple channels |
| 09/19/1989 | US4868456 Capped electric lamp having a bushing-sleeve arrangement permitting alignment of the lamp vessel with the lamp cap |
| 09/19/1989 | US4868452 Electric amp having a flexible conductor connecting a plurality of external pinch seal conductors to a rigid current-supply conductor |
| 09/19/1989 | US4868451 Lamp filament support construction |
| 09/13/1989 | CN1035584A Electric lamp |
| 09/12/1989 | US4866340 Explosion resistant tungsten-halogen incandescent lamp |
| 09/12/1989 | US4866331 Eyelet for incandescent lamp bases and method of making |
| 09/06/1989 | EP0331042A2 Electric lamp having a base attached without the use of cement |
| 09/05/1989 | US4864186 Silicon carbide doped with nitrogen |
| 09/05/1989 | US4864185 Automotive lamp having an insulating base |
| 09/05/1989 | US4864184 Lamp construction and method of manufacture |
| 09/05/1989 | US4864183 Electric lamp assembly having improved mechanical connection between light bulb and molded plastic holder body |
| 09/05/1989 | US4864181 Electric incandescent lamp having truncated conical filament and a mirror coating |
| 09/05/1989 | US4863527 Process for producing doped tungsten wire with low strength and high ductility |
| 09/05/1989 | CA1259097A1 Electric lamp provided with an interference filter comprising alternating layers of silicon dioxide and niobium pentoxide |