Patents
Sitemap › F21 - Lighting › F21L - Lighting devices or systems thereof, being portable or specially adapted for transportation › F21L 4 - Electric lighting devices with self-contained electric batteries or cells
Patents for F21L 4 - Electric lighting devices with self-contained electric batteries or cells (13,838)
11/1983
11/08/1983US4414611 Portable light
10/1983
10/11/1983US4409643 Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings
10/05/1983EP0090393A1 Miniature pocket lamp
10/04/1983US4408263 Disposable flashlight
10/04/1983US4408261 Battery operated charm light
08/1983
08/16/1983US4399495 Flashlight
08/09/1983US4398238 Variable focus flashlight
08/09/1983US4398237 Miniature battery-operated light
07/1983
07/05/1983US4392185 Explosion-proof and firedamp-proof headlight
07/05/1983CA1149355A1 Rechargeable flashlight
06/1983
06/14/1983US4388674 Portable electric flashlight
06/14/1983US4388673 Variable light beam flashlight and recharging unit
05/1983
05/03/1983US4382220 Rechargeable battery pack and combination thereof with lantern
05/03/1983US4382219 Arrangement consisting of a battery handle for electro-optical diagnostic instruments, of a charger and of a storage cell
03/1983
03/22/1983CA1143434A1 Combined battery holder and switch
02/1983
02/08/1983CA1140986A1 Rechargeable flashlight with integral variable rate battery charger for automotive use
12/1982
12/14/1982US4364104 Novelty light
12/14/1982US4364103 Battery case for an electrically operated device
11/1982
11/02/1982US4357648 Rechargeable flashlight
08/1982
08/24/1982US4346329 Aiming post light
08/17/1982US4345305 Portable electronic safety flare system
08/17/1982US4345304 Rechargeable lamp assembly, mounting unit, and circuit therefor
08/03/1982CA1128910A1 Disposable floating flashlight
07/1982
07/13/1982US4339788 Lighting device with dynamic bulb position
06/1982
06/08/1982CA1125250A1 Battery operated lantern
06/01/1982US4333129 Flashlight with battery separator
05/1982
05/25/1982US4332007 Utility light
04/1982
04/27/1982US4327401 Rechargeable flashlight with integral variable rate battery charger for automotive use
04/13/1982US4325107 Rechargeable flashlight
04/13/1982US4325106 One piece battery holder
03/1982
03/30/1982US4322782 Flashlight
03/23/1982US4321657 Torch
03/09/1982US4319309 Safety light
02/1982
02/23/1982US4317162 Battery operated luminaire with emergency switching means
02/23/1982US4317161 Combined battery holder and switch
02/02/1982US4314317 Flashlight
01/1982
01/05/1982US4309745 Reflector
12/1981
12/22/1981US4307439 Lamp
12/08/1981CA1113909A1 Luminaire apparatus with multiple light sources and methods of operating same
12/01/1981US4303970 Battery powered lamp
12/01/1981US4303966 Light connectable with a key
11/1981
11/03/1981US4298917 Motion light device
11/03/1981CA1111813A1 Lighted signaling device emitting a conical beam
11/03/1981CA1111812A1 Lighted signaling device
10/1981
10/28/1981EP0038376A2 Battery operated electric handtool
10/20/1981US4296460 Lamps
10/06/1981US4293896 Battery-operated lantern
09/1981
09/30/1981EP0036450A1 Battery-powered lamp, particularly portable lamp, with integrated warning flasher unit
08/1981
08/25/1981US4286312 Portable lighting apparatus comprising a diffusing lens
08/25/1981US4286311 Flashlight
08/25/1981US4286310 Lantern fed by an electric battery
08/18/1981US4285031 Portable searchlight
08/18/1981US4285030 Flashlight assembly
08/04/1981US4282562 Combination rechargeable flashlight and charger base
06/1981
06/16/1981US4274130 Combination flashlight and high intensity light source
06/09/1981US4272799 Surface floodlight assembly
05/1981
05/26/1981US4270162 Beacon lamp
05/19/1981US4268894 Portable waterproof fluorescent lantern
05/12/1981US4266535 Diagnostic lamp
03/1981
03/17/1981US4257085 Warning lantern adapter
03/03/1981CA1096833A1 Switch for flexible walled flashlight
02/1981
02/25/1981EP0024066A1 Portabel self contained lighting device working on solar radiation
02/03/1981US4249234 Portable luminaire with fluorescent lantern
01/1981
01/06/1981US4244011 Rechargeable flashlight
12/1980
12/30/1980US4242724 Disposable floating flashlight
12/23/1980US4241384 Novel case for an electric pocket flashlight
12/02/1980US4237527 Flashlight apparatus
12/02/1980US4237526 Battery operated device having a waterproof housing and gas discharge vent
11/1980
11/18/1980US4234913 Lighted bobber for a fishing line
10/1980
10/28/1980US4231077 Light toy
10/14/1980US4228484 LED flasher for battery cell-powered lamp
09/1980
09/30/1980US4225906 Luminaire apparatus with multiple light sources and methods of operating same
09/23/1980US4224658 Rechargeable flashlight with integral variable rate battery charger for automotive use
09/18/1980WO1980001944A1 Lantern offering protection against fire-damp and/or explosions
09/09/1980CA1085362A1 Reflector lamp
09/02/1980US4220985 Illumination device
08/1980
08/21/1980WO1980001712A1 Portable self contained lighting device working on solar radiation
08/12/1980CA1083643A1 Switch for flash light
07/1980
07/29/1980US4215389 Battery operated light
07/22/1980US4214295 Portable electric lamp adjustable from spot beam to diffused beam
07/22/1980CA1082153A1 Hand-operable signal device using percussively- ignitable flashlamps
07/01/1980US4210953 Self-illuminated case
06/1980
06/17/1980US4208703 Device holder
06/17/1980US4208701 Luminous toy
05/1980
05/20/1980US4204272 Miniature flashlight unit
05/13/1980US4203150 Rechargeable modular component light with quick-disconnect connection
04/1980
04/30/1980EP0010279A1 Battery-powered lantern
02/1980
02/12/1980CA1071602A1 Portable electric lamp
01/1980
01/01/1980US4181928 Portable spot/flood light
12/1979
12/18/1979CA1068247A1 Emergency power failure light
11/1979
11/27/1979US4176263 Switch for pocket torch
10/1979
10/16/1979US4171534 Rechargeable flashlight
10/03/1979EP0004503A2 Casing for electric pocket torches
09/1979
09/11/1979CA1062220A1 Impact resistant explosion proof lamp comprising encapsulated light source
09/04/1979CA1061758A1 Electrically illuminated finger ring
08/1979
08/07/1979CA1059962A1 Flashlight
06/1979
06/19/1979CA1056785A1 Electrochemical cell-containing emergency sea beacon
05/1979
05/22/1979US4156271 Reflector lamp
05/01/1979US4152755 Portable magnetically actuatable flashlight
04/1979
04/24/1979US4151583 Flashlight
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