| Patents for F21L 4 - Electric lighting devices with self-contained electric batteries or cells (13,838) |
|---|
| 05/07/1991 | US5014171 Color changeable flashlight |
| 05/02/1991 | DE3936241A1 Pocket torch fixing clip for umbrella - has magnet between opposing metal plates and enclosed by profiled clip plates |
| 04/30/1991 | US5012394 Hand portable light with extendable lamp housing |
| 04/24/1991 | EP0424217A1 Pocket-lamp with flat battery |
| 04/16/1991 | US5008785 Rechargeable miniature flashlight |
| 04/16/1991 | US5008784 Lighting equipment for a key ring |
| 04/09/1991 | US5006971 Light-weight |
| 04/09/1991 | US5006969 Flashlight with end cap switch |
| 04/09/1991 | US5006779 Electrical unit with multi-position switch |
| 04/09/1991 | CA1282758C Torch |
| 04/02/1991 | CA1282389C Squeezable flashlight |
| 03/26/1991 | US5003440 Tailcap insert |
| 03/26/1991 | CA1282050C Dental mirror flashlight |
| 03/19/1991 | US5001612 Flashlight attachment |
| 03/12/1991 | US4999750 Flashlight with rotatable head assembly |
| 03/12/1991 | US4999747 Flash hair pin |
| 02/19/1991 | CA1280391C Flashlight with adjustable lamp housing |
| 02/05/1991 | US4991069 End cap for rechargeable battery instrument handle |
| 01/22/1991 | US4987523 Adjustable beam focus flashlight |
| 01/17/1991 | DE3922024A1 Battery-powered lamp for vehicular and domestic uses - has provision for recharging of nickel-cadmium cells via choice of alternative plug-terminated electrical leads |
| 01/15/1991 | US4985813 Light for emergency use |
| 01/15/1991 | US4985812 Waterproof flashlight with finger switch |
| 01/08/1991 | US4984141 Warning and lighting flash light |
| 01/08/1991 | US4984140 Hand held flashlight with selective beam and enhanced apparent brightness |
| 12/19/1990 | EP0403071A2 Tailcap insert |
| 12/11/1990 | US4977489 Portable battery operated lighting device |
| 12/05/1990 | EP0400594A2 Flashlight |
| 11/30/1990 | CA2017708A1 Flashlight |
| 11/27/1990 | US4974130 Miniature portable light |
| 11/27/1990 | US4974129 Automobile solar powered utility light |
| 11/06/1990 | WO1990013879A1 Location marker |
| 11/06/1990 | CA2054194A1 Location marker |
| 10/30/1990 | US4967325 Variable focusing flashlight |
| 10/30/1990 | US4967323 Adjustable apparel-held flashlight |
| 10/16/1990 | US4963798 Synthesized lighting device |
| 09/25/1990 | US4959637 Emergency signaling device |
| 09/20/1990 | WO1990010819A1 Light-emitting unit |
| 09/18/1990 | CA1274227A1 Electric torch or flashlight |
| 09/11/1990 | US4956755 Mechanical actuation |
| 08/21/1990 | US4951183 Focusable flashlight |
| 08/14/1990 | US4949231 Variable light beam flashlight |
| 08/07/1990 | US4947291 Lighting device |
| 07/26/1990 | DE3900908A1 Accumulator-powered electrical apparatus (electrical appliance powered by a rechargeable battery) |
| 07/17/1990 | US4942505 Miniature flashlight |
| 07/05/1990 | DE3900030A1 Light-emitting diode forming a measuring point |
| 07/03/1990 | US4939628 Switch mechanism for a flashlight |
| 07/03/1990 | US4939626 Disposable flashlight |
| 06/26/1990 | US4937713 Flashlight with a pivotal hood |
| 06/12/1990 | CA1270234A1 Fluorescent lantern with removable fluorescent tubes |
| 05/17/1990 | WO1990005268A1 A portable illumination device |
| 05/15/1990 | US4926300 Disposable flashlight with improved activator field of the invention |
| 05/15/1990 | US4926299 Portable flashlight |
| 05/15/1990 | CA1269082A1 Flashlight |
| 05/08/1990 | CA2002084A1 Portable illumination device |
| 05/03/1990 | WO1990004738A1 Switch for portable light source |
| 04/12/1990 | DE3834554A1 Emergency luminaire for mining operations (underground mining) |
| 04/10/1990 | US4916596 Convertible flashlight |
| 04/10/1990 | US4916588 A flashlight with focus and switch control |
| 04/03/1990 | US4914748 In combination, a novelty flashlight and piece of candy for illumination |
| 04/03/1990 | US4914555 Rechargeable flashlight |
| 03/29/1990 | DE3831390A1 Car-ashtray-accumulator-onboard and flashing luminaire, called ABL |
| 03/14/1990 | EP0358417A2 Improvements in or relating to search lamps and torches |
| 03/08/1990 | DE3829337A1 Contactless connection and automatic adjustment of the foldable parts of a luminaire, as well as switching them on and off without sliding contacts |
| 03/06/1990 | US4907141 Miniature flashlight |
| 02/27/1990 | US4905130 Flashlight assembly |
| 02/27/1990 | US4905129 Flashlight with tail cap switch |
| 02/20/1990 | US4903178 Rechargeable flashlight |
| 02/20/1990 | US4903176 Flash bracelet |
| 02/06/1990 | US4899265 Miniature flashlight |
| 01/30/1990 | US4897768 Flashlight holder and mounted flashlight |
| 01/09/1990 | US4893221 Portable light |
| 12/26/1989 | US4890203 Identity light |
| 12/20/1989 | EP0347065A2 Heat shield |
| 12/19/1989 | US4888670 Micro-flashlight |
| 12/19/1989 | US4888667 Lipstick cap with lamp devices |
| 12/05/1989 | US4885668 Heat shield |
| 12/05/1989 | US4885666 Touchably-operating miniature flashlight |
| 11/28/1989 | US4884177 Flexible torch |
| 11/28/1989 | US4884017 Solar powered construction light |
| 11/14/1989 | US4881158 Flashlight switch with spare bulb carrier |
| 11/02/1989 | EP0340047A2 Single cell flashlight |
| 10/17/1989 | US4875147 Delayed action flashlight |
| 10/17/1989 | US4875146 Flashlight bulb mounting |
| 10/03/1989 | US4871628 Battery terminal post protector |
| 09/26/1989 | US4870550 Waterproof flashlight |
| 09/19/1989 | US4868724 Electric torch with flexible casing |
| 09/05/1989 | US4864474 Single cell flashlight |
| 08/29/1989 | US4862148 Portable electric smoke detector/alarm flashlight |
| 08/29/1989 | CA1258842A1 Lantern with adjustable reflector assembly |
| 08/15/1989 | US4858083 Color changeable photo-decorative pencil torch |
| 08/15/1989 | US4857885 Battery couplings to portable signals with long periods out of service |
| 08/02/1989 | EP0325922A2 Portable lamp, particularly a pocket lamp |
| 07/25/1989 | US4851974 Flashlight |
| 07/11/1989 | US4847738 Storage container with drawer element |
| 07/05/1989 | EP0323193A2 Color changeable photo-decorative pencil torch |
| 06/27/1989 | US4843526 Flashlight with switch assembly |
| 06/20/1989 | US4841417 Tailcap switch-focus flashlight |
| 05/31/1989 | EP0318147A1 Wheel mounted safety light |
| 05/10/1989 | CN1032853A Tailcap switch-focus flashlight |
| 04/26/1989 | EP0313285A2 Rechargeable miniature flashlight |