| Patents for F21V 25 - Safety devices structurally associated with lighting devices (3,540) |
|---|
| 07/21/1981 | CA1105603A1 Flameproof, weatherproof enclosures for electrical equipment |
| 06/30/1981 | US4276580 Pressure actuated electrical system |
| 06/23/1981 | US4275433 Lighting fitting |
| 04/28/1981 | US4264946 Electric light fixture |
| 04/22/1981 | EP0027361A1 Light source assembly for endoscope |
| 03/31/1981 | CA1098276A1 Ceiling fixture with thermal protection |
| 03/24/1981 | CA1098097A1 Removable dust-free lamp unit with contactless switch |
| 01/27/1981 | US4247884 Fluorescent mine lighting fixture |
| 10/21/1980 | US4229780 Fluorescent lamp for use in explosive atmospheres such as mines |
| 09/18/1980 | WO1980001944A1 Lantern offering protection against fire-damp and/or explosions |
| 08/05/1980 | US4216411 Underwater light assembly with low-water cut-off |
| 07/01/1980 | US4210070 Ceiling fixture with thermal protection |
| 02/26/1980 | US4190777 Position sensor for rotatable lamp changer turret |
| 01/29/1980 | US4186432 Lamp for use in subterranean applications |
| 01/08/1980 | CA1069481A1 Fluorescent lamp for use in explosive atmospheres such as mines |
| 12/25/1979 | USRE30181 Converting ozone to oxygen |
| 12/18/1979 | CA1068247A1 Emergency power failure light |
| 10/02/1979 | CA1063571A1 High intensity discharge lamp for use in explosive atmospheres such as mines |
| 09/11/1979 | CA1062220A1 Impact resistant explosion proof lamp comprising encapsulated light source |
| 08/08/1979 | EP0003312A1 Irradiation apparatus for photohardening of substances |
| 06/19/1979 | US4158880 Mine machine light |
| 05/29/1979 | US4156891 Explosion-proof emergency light |
| 05/16/1979 | EP0001918A1 Underwater lamp and method for its manufacture |
| 04/10/1979 | US4149222 Bed light safety apparatus |
| 02/27/1979 | US4142179 Safety warning lamps for adverse or hazardous atmospheres |
| 09/12/1978 | CA1038355A1 Method and means for suppressing ozone generated by arc lamps |
| 09/05/1978 | US4112485 Impact resistant explosion proof lamp comprising encapsulated light source |
| 08/15/1978 | US4107766 Emergency power failure light |
| 05/23/1978 | US4091444 Glove-mounting apparatus for explosion-proof lighting devices |
| 04/11/1978 | US4084215 Strobe light having reduced electromagnetic radiation |
| 01/24/1978 | US4070570 Lighting apparatus |
| 01/17/1978 | US4069415 High intensity discharge lamp for use in explosive atmospheres such as mines |
| 08/16/1977 | US4042819 Fluorescent lamp for use in explosive atmospheres such as mines |
| 01/04/1977 | US4001572 Dustproof and airtight luminaires |
| 12/21/1976 | US3999057 Lighting structure |
| 07/06/1976 | US3968398 Fused decorative string set |
| 04/27/1976 | US3953725 Illuminating apparatus |
| 04/06/1976 | US3949258 Method and means for suppressing ozone generated by arc lamps |
| 03/09/1976 | US3943410 Light assembly for use in a conduit |
| 02/03/1976 | US3936671 Illumination system |