| Patents for F21L 13 - Electric lighting devices with built-in electric generators (1,042) |
|---|
| 11/30/1993 | US5267129 Pneumatic lighting apparatus |
| 06/24/1993 | WO1993012375A1 Clockwork pocket electric flashlight |
| 06/09/1993 | CN2135717Y Four-colour hand generating flashlight |
| 03/31/1993 | CN2128989Y Multi-function electric torch |
| 12/09/1992 | EP0516703A1 Products incorporating piezoelectric material. |
| 11/04/1992 | CN2120952U Multifunction electric torch with mini-generator |
| 10/14/1992 | CN2118889U Portable flash light |
| 09/30/1992 | CN2117528U High efficient torch with a generator |
| 08/26/1992 | CN2114086U Torch without energy sources |
| 05/13/1992 | CN2104380U Energy storage continuous self-generating torch |
| 04/29/1992 | CN2103083U Self electric power plashlight |
| 04/22/1992 | CN2102438U Self electricity generating flashlight |
| 04/22/1992 | CN2102437U Self electricity generating flash device |
| 03/18/1992 | CN2099240U Illuminating and radio-receiving set with hand generator |
| 08/21/1991 | WO1991013288A1 Products incorporating piezoelectric material |
| 08/21/1991 | CA2073691A1 Products incorporating piezoelectric material |
| 08/14/1991 | CN1053832A Cell-free double purpose torch |
| 07/17/1991 | CN2081028U Portable electric torch with self-electric generator |
| 04/03/1991 | CN2074418U Foldable, new light source, energy-saving operating shadowless lamp |
| 03/06/1991 | CN2072636U Pistol type automatic electric torch |
| 01/09/1991 | CN2069065U Pistol model flashlight |
| 08/30/1990 | DE3905889A1 Device for generating the energy pulses required for operating a light-emitting component |
| 05/23/1990 | CN2057493U Electric torch |
| 03/28/1990 | CN2055222U Self-power explosion-proof electric torch |
| 12/20/1989 | CN2049726U Multifunction torch capable of generating and storing electricity |
| 08/16/1989 | CN1034796A Pistol-shaped electricity-generating torch |
| 08/15/1989 | US4857885 Battery couplings to portable signals with long periods out of service |
| 08/09/1989 | CN2042563U Pocket handhold self generating lamp |
| 06/14/1989 | CN2039377U Self-generating flashlight |
| 03/28/1989 | US4816971 Flashlight with built-in lighter |
| 10/06/1988 | DE3810267A1 Portable optical signal transmitter |
| 10/05/1988 | CN88212759U Multipurpose alarm electric torch |
| 10/20/1987 | US4701835 Multimode flashlight |
| 10/03/1987 | CN86206589U Dual-purpose self-generating flashlight |
| 07/08/1987 | CN86202013U Energy-accumulafing flashlight |
| 04/15/1987 | CN86202145U Energy-stored flash light |
| 08/07/1984 | US4464706 Lamp head bracket mount for generator |
| 11/23/1982 | US4360860 Self-contained hand held portable lantern-flashlight consisting of a manually operated generator and rechargeable batteries |
| 05/25/1982 | US4332006 Bench-type mechanical light generating device |
| 02/09/1982 | US4315301 Generator flashlight |
| 01/01/1980 | US4181929 Portable illuminating tower |
| 06/19/1979 | CA1056785A1 Electrochemical cell-containing emergency sea beacon |