| Patents for F21K 5 - Light sources using charges of combustible material, e.g. illuminating flash devices (485) |
|---|
| 10/23/1979 | US4172273 Multiple flash unit with light-spreading protective shield |
| 10/16/1979 | CA1064278A1 High voltage type photoflash lamp |
| 10/02/1979 | US4170034 Multilamp photoflash unit with more reliable circuit arrangement |
| 09/11/1979 | US4167773 Photoflash lamp array having contoured sheet shield |
| 08/28/1979 | US4166287 Photoflash lamp array |
| 08/14/1979 | CA1060409A1 Multiple flashlamp array |
| 08/07/1979 | US4164007 Multilamp photoflash unit |
| 07/24/1979 | CA1058900A1 Photoflash lamp providing after-flash shorting |
| 06/19/1979 | US4158878 Means for electrically contacting flash lamp having external conductive coating |
| 06/19/1979 | US4158493 Flash lamp assembly having heat-responsive indexing members |
| 05/29/1979 | CA1055266A1 Flash lamp array having shorting lamps |
| 05/22/1979 | US4156269 Multilamp photoflash unit |
| 05/22/1979 | US4155736 Glass support bead shaped to have raised narrow ridge |
| 05/22/1979 | CA1054818A1 Multiple flashlamp system |
| 05/15/1979 | US4154569 Flashlamp unit |
| 05/01/1979 | US4152751 Photoflash unit with secured insulator |
| 04/17/1979 | CA1052893A1 Switching devices for photoflash unit |
| 01/23/1979 | US4136379 Photoflash lamp array having reflective circuit board |
| 01/23/1979 | US4136375 Shield connection in photoflash array |
| 01/09/1979 | US4133630 Combustion flashlight lamp |
| 01/02/1979 | US4133023 Flash lamp array having electrical shield |
| 12/26/1978 | CA1044909A1 Photoflash lamp |
| 12/19/1978 | US4130082 Flashlamp assembly for providing highly intense audible and visual signals |
| 12/19/1978 | US4130081 Activation means for flashlamp article |
| 12/12/1978 | US4129380 Copy apparatus using chemical flashlamp |
| 12/05/1978 | US4128858 Multiple flashlamp system |
| 10/17/1978 | CA1040700A1 Arrangement provided with some combustion flash bulbs |
| 10/10/1978 | CA1040173A1 Multiple flash lamp unit |
| 10/03/1978 | US4118758 Photoflash lamp array having high voltage shorting type flash lamps and radiation sensitive switching elements |
| 09/12/1978 | US4113424 Multilamp photoflash unit with static grounding system |
| 09/12/1978 | US4113420 Flashlamp assembly with tapered housing |
| 08/15/1978 | CA1036360A1 Method for preparing primer for percussion-ignitable flash lamp |
| 08/08/1978 | US4105480 Flashlamp composition |
| 08/08/1978 | US4105392 Photoflash lamp |
| 08/01/1978 | US4104705 Photoflash lamp array having shielded switching circuit |
| 07/18/1978 | US4101953 Multiple flashlamp array |
| 07/04/1978 | US4098565 Flashlamp unit |
| 06/27/1978 | US4097221 Photoflash lamp with combustible filament |
| 06/27/1978 | US4097220 Flash lamp array having shorting lamps |
| 04/04/1978 | US4082494 Photoflash lamp |
| 03/14/1978 | US4078881 Photoflash lamp |
| 02/28/1978 | US4076489 With ultraviolet radiation curable resin |
| 12/20/1977 | US4064431 Last-flash indicator for photoflash array |
| 11/22/1977 | US4059389 Photoflash lamp and method of making same |
| 11/22/1977 | US4059388 Photoflash lamp |
| 11/22/1977 | US4059387 Flash lamp unit |
| 09/20/1977 | US4049369 Photoflash lamp and multilamp unit with electrostatic protection |
| 08/30/1977 | US4045530 Heating, freezing |
| 08/30/1977 | US4045156 Photoflash lamp |
| 08/09/1977 | US4041300 Photoflash array with discharge path for electrostatic charges |
| 08/09/1977 | US4040777 Flash lamp array having shorting lamps |
| 08/02/1977 | US4039273 Photoflash lamp providing after-flash shorting |
| 07/26/1977 | US4038020 Photoflash lamp |
| 07/19/1977 | US4036578 Photoflash array and method of construction |
| 05/24/1977 | US4025285 Photoflash lamp |
| 04/12/1977 | US4017728 Multilamp photoflash unit having radiant-energy-activated quick-disconnect switch |
| 03/29/1977 | US4014638 Photoflash lamp with electrostatic protection and method of making photoflash units |
| 03/22/1977 | US4013848 Spring shorting means for photoflash array |
| 03/01/1977 | US4009987 Electric lamp having an internal switching mechanism |
| 02/15/1977 | US4008040 Photoflash lamp and method of making same |
| 01/04/1977 | US4001000 Method of manufacturing a percussion flashlamp |
| 11/16/1976 | US3992136 Photoflash lamp with polycarbonate coating |
| 09/14/1976 | US3980875 Multiple flash lamp unit |
| 09/14/1976 | US3980421 Flash lamp unit |
| 08/24/1976 | US3976870 Flash lamp unit |
| 08/03/1976 | US3972673 Photoflash lamp |
| 07/13/1976 | US3969067 Photoflash lamp |
| 06/01/1976 | US3959860 Method of making non-shorting photoflash lamp |
| 05/25/1976 | US3959525 Method of coating photoflash lamp |
| 05/18/1976 | US3958115 Multiple flashlamp unit with indexing means |
| 05/11/1976 | US3955912 Test photoflash lamp |
| 05/11/1976 | US3955911 Percussion flashlamp |
| 05/11/1976 | US3955866 Method of manufacturing a flash lamp |
| 04/20/1976 | US3952320 Multiple flash lamp unit |
| 03/30/1976 | US3947225 Photoflash lamp |
| 03/30/1976 | US3947224 Photoflash lamp with modified polycarbonate coating |
| 03/30/1976 | US3947223 Photoflash lamp |
| 03/30/1976 | US3947222 Photographic flashlamp unit |
| 03/23/1976 | US3945697 Method of manufacturing a photoflash lamp having an indicator-insulator |
| 03/02/1976 | US3941992 Flash array having shielded switching circuit |
| 03/02/1976 | US3941555 Non-shorting photoflash lamp |
| 02/10/1976 | US3937946 Multiple flash lamp unit |
| 02/10/1976 | US3937793 Process for the continuous manufacture of crystallized ammonium thiosulfate |
| 01/27/1976 | US3935514 Flash lamp signaling circuit employing logic signal activation |
| 01/06/1976 | US3930784 Photoflash lamp having non-shorting construction |