| Patents for H01K 3 - Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof (2,889) |
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| 06/30/1993 | CN1073724A Manufacturing method of tungsten filament of lamp bulb |
| 06/28/1993 | WO1993013546A1 Methods for mounting filaments in tubular incandescent lamp capsules |
| 06/28/1993 | CA2101738A1 Methods for mounting filaments in tubular incandescent lamp capsules |
| 05/25/1993 | US5213536 Filamented lamp manufacture method |
| 05/19/1993 | CN2133937Y Device for removing silicon powder during sealing quartz lamp |
| 05/11/1993 | US5209689 Methods for mounting filaments in tubular incandescent lamp capsules |
| 05/04/1993 | US5207503 Xenon festoon style lamp |
| 04/28/1993 | CN2131205Y Universal high-altitude machine hand for changing bulbs |
| 04/27/1993 | US5205769 Method of making a lamp with an internally pressed fuse |
| 04/14/1993 | CN1071030A Small-caliber high power lighting tungsten halide lamp and its made method |
| 03/31/1993 | EP0534361A1 Fuzzy control for a lamp glass pipe sealing process |
| 02/16/1993 | US5186669 Incandescent lamp |
| 02/14/1993 | CA2049134A1 Christmas light bulb removal/installation device |
| 01/12/1993 | US5179339 Holiday light bulb tester with light bulb socket insertable probes |
| 12/30/1992 | EP0520248A2 Electric lamp |
| 12/29/1992 | US5174802 Process for manufacturing various series of plug-in light bulbs |
| 12/25/1992 | CA2064330A1 Highly thermally loaded electric lamp, and method of its manufacture, with reduced uv light emission |
| 12/22/1992 | CA1311794C Electric incandescent lamp and method of manufacture therefor |
| 12/16/1992 | CN2125197U Combined replacing lamp pole |
| 11/11/1992 | CN2121756U Horizental bulb erector |
| 11/11/1992 | CN2121755U Filament position corrector |
| 11/10/1992 | US5162729 Embedded testing circuit and method for fabricating same |
| 11/10/1992 | CA1310058C Incandescent lamps including a combined getter |
| 10/29/1992 | DE4113829A1 Automatic incandescent lamp bulb gas filling machine - uses filling heads attached to turntable and controlled valves in filling gas distribution system |
| 10/27/1992 | US5159235 Hollow lamp bridge |
| 10/07/1992 | CN2118355U Clamp for changing bulb |
| 10/06/1992 | US5152870 Masking filament surface, cutting pattern using radiation beam gives texture for increasing emission of visible light |
| 09/22/1992 | US5148723 Light bulb changer |
| 09/15/1992 | US5148080 Incandescent lamp filament incorporating hafnium |
| 09/10/1992 | DE4103324A1 System to fill lamps with e.g. rare gas - uses gas distributor, vacuum pump and series of valves, so that lamp is evacuated, container is filled with gas and its volume fills lamp |
| 08/26/1992 | CN2114222U Rotary supporting rod for changing general lighting bulb |
| 08/05/1992 | CN2112205U Filament tensioner auto-control feeder |
| 08/04/1992 | CA1305995C Double-enveloped lamp having a shield surrounding a light-source capsule within a thick-walled outer envelope |
| 07/22/1992 | EP0495588A2 Welding auxiliary material |
| 07/22/1992 | CN2110929U Light emitting ambipolar body upper support gluing device |
| 07/16/1992 | CA2059181A1 Auxiliary welding material |
| 07/15/1992 | CN2110291U Luminous ambipolar mould grain receiving device |
| 07/15/1992 | CN1017478B Electric lamp and method of mfg. same |
| 07/14/1992 | CA1304966C Lamp replacement tool |
| 07/07/1992 | US5127864 Method of making a double ended lamp |
| 07/01/1992 | EP0492189A2 Electric lamp with foil seal construction and method for its manufacture |
| 07/01/1992 | CN2108994U Combined light bulb placing or removing device |
| 06/23/1992 | US5123868 Electromagnetic radiators and process of making electromagnetic radiators |
| 06/03/1992 | CN2106420U Automatic air pumping sealing apparatus for christmas lamp |
| 05/27/1992 | CN2105768U Bulb assembly pliers |
| 05/20/1992 | CN2105124U Copper cap contact positioning shaper |
| 05/06/1992 | CN2103863U Device for mounting and changing electric bulb |
| 05/06/1992 | CN2103862U Reverse device for mounting lamps |
| 04/28/1992 | US5109182 Method of manufacturing incandescent lamps with halogen, particularly fluorine filling and incandescent lamp manufactured by the method |
| 04/15/1992 | CN2101943U Light bulb assembly and disassembly device |
| 04/15/1992 | CN2101942U Hand light bulb assembly and disassembly device |
| 04/14/1992 | US5103695 Light bulb extractor |
| 02/25/1992 | US5091632 Infrared radiator |
| 02/12/1992 | EP0470609A2 Hollow lamp bridge |
| 02/11/1992 | US5087299 Vibration-proof tungsten wire |
| 02/11/1992 | US5087218 Incandesent lamps and processes for making same |
| 02/05/1992 | EP0470002A1 Miniature light bulb and its method of manufacture |
| 01/15/1992 | CN2093440U Removing/placing device for incandescent lamp bulb |
| 01/09/1992 | DE4021473A1 Testing device for incandescent lamp mfr. - uses supplied air current and differential pressure switch to detect pump path blockage |
| 01/08/1992 | CN2092812U Machine for assembling filament of power saving type fluorescent without core rod |
| 12/17/1991 | CA1293290C Electric lamp, base for use therewith and method of assembling same |
| 12/11/1991 | CN2090579U Multilayer molybdenum foil sealed structure for quartz lamp |
| 12/03/1991 | US5069640 Miniature bulb assembly and method of producing the same |
| 11/26/1991 | CA1292501C Headlight lantern system and electric lamp for this system |
| 11/13/1991 | CN2088742U Mnlti-function high-altitude light changing device |
| 11/05/1991 | US5062818 Miniature bulb assembly and method of producing the same |
| 10/30/1991 | CN1014569B Method for making core colum in common bulb |
| 10/17/1991 | DE4011721A1 Hand-held tool for removing spot lamp bulbs - is in form of tweezer with profiled jaw sections |
| 09/25/1991 | CN1054852A Double-end squeezing halogen glow lamp |
| 09/18/1991 | EP0446460A2 Halogen incandescent lamp having a single pinch |
| 09/18/1991 | EP0446459A2 Halogen incandescent lamp having a single pinch |
| 09/18/1991 | EP0446458A2 Double side-pinched halogen incandescent lamp |
| 09/10/1991 | US5047721 Faulty lamp tester |
| 09/03/1991 | US5045748 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
| 09/03/1991 | US5044058 Bulb insertion and removal tool |
| 08/21/1991 | CN1013624B Prodn. method of high-efficiency vacuum ultraviolet source |
| 08/14/1991 | CN2082901U Coreless spiral filament forming machine for dazzle-proof automobile headlights and fluorescent lamps |
| 08/06/1991 | US5037342 Method of making an electric lamp, and more particularly a lamp vessel in which electrodes are retained in the lamp by a pinch or press seal |
| 07/30/1991 | US5036439 Car headlight lamp and method of manufacturing same |
| 07/24/1991 | CN2081576U High building bulb fitting unit |
| 06/27/1991 | CA2029629A1 Electric heater coil assembly termination apparatus and method of use |
| 06/26/1991 | CN2079805U Light bulb changer |
| 06/26/1991 | CN1052570A Disassembly and assembly device of overhead light bulb |
| 06/19/1991 | CN1052395A Producing technology for inlay mo (w) rod ceramic frame |
| 06/11/1991 | US5022880 Method of constructing an electric lamp using carbon monoxide as a forming gas |
| 05/29/1991 | EP0428835A2 Infrared radiator |
| 05/29/1991 | CN2078047U Multifunctional equipment of exchanging lamp |
| 05/29/1991 | CN2078046U Horizontal type shaped device for lamp filament of halogen-tungsten |
| 05/15/1991 | CN2077157U Festival lamp parent bulb location reshaping device |
| 05/02/1991 | EP0424696A2 Structure for testing the operability of a completed printed circuit board, process for fabricating same and process for testing same. |
| 04/27/1991 | CA2025952A1 Embedded testing circuit and method for fabricating same |
| 04/16/1991 | US5008592 Halogen incandescent lamp and method of manufacturing a halogen incandescent lamp |
| 04/10/1991 | CN2074939U Bubble installation device |
| 04/09/1991 | US5006088 Method of making a pinch-sealed, gas-filled incandescent lamp |
| 03/27/1991 | CN1012148B Headlight lantem system and electric lamp for this system |
| 03/20/1991 | EP0417374A1 Device for handling small lamps |
| 03/19/1991 | US5001604 Embedded testing circuit and method for fabricating same |
| 01/29/1991 | US4988912 Electric lamp and method of manufacturing same |
| 01/09/1991 | EP0406938A2 Electric incandescent lamp |
| 01/09/1991 | CN1048465A Halogen-tungsten lamp for automobiles and its sealing technique |