Patents
Patents for F21L 4 - Electric lighting devices with self-contained electric batteries or cells (13,838)
05/1999
05/18/1999US5904414 Flashlight with gas permeable membrane and battery polarization
05/06/1999EP0912650A1 Battery device
04/1999
04/20/1999US5895112 Bi-sided flashlight and method
04/15/1999WO1999018389A1 Flashlight having battery suspension system
04/13/1999US5893631 Compact flashlight
04/08/1999WO1999017051A1 Bi-sided flashlight and method
04/08/1999WO1999017050A2 Multi-function lantern including flashing lantern cap
04/07/1999CN1213055A Flash lamp
03/1999
03/31/1999EP0905437A1 Lighting assembly, in particular for forensic examinations
03/25/1999CA2238706A1 Portable light
03/25/1999CA2216502A1 Portable light
03/10/1999EP0900400A1 Spotsize adapter for fiber optic coupling
03/02/1999US5876110 Multiple selectable bulb flashlight
02/1999
02/25/1999WO1999009348A1 Rechargeable flashlight
02/25/1999WO1999009347A1 Laser light
02/25/1999CA2301055A1 Laser light
02/25/1999CA2300058A1 Rechargeable flashlight
02/16/1999US5871272 Flashlight with rotatable lamp head
02/10/1999CN2307174Y Multipurpose illuminating device
02/02/1999US5865526 Flashlight and bulb holder therefor
02/02/1999US5865525 Slide focus flashlight
02/02/1999US5865524 Hand held light wand for visual signaling
01/1999
01/19/1999US5860729 Fluorescent lantern with auxiliary light
01/05/1999US5855429 Safety light
01/05/1999US5855426 Combination flashlight-pyrotechnic signalling device launcher
12/1998
12/29/1998US5853242 Portable torch with a clip-on support plate
12/29/1998US5853241 Convertible flashlight
12/22/1998CA2115786C Hand lamp
12/17/1998WO1998057199A1 Beam-forming lens with internal cavity that prevents front losses
12/17/1998CA2293788A1 Beam-forming lens with internal cavity that prevents front losses
12/16/1998EP0670453B1 Flashlight with signal lamp
12/09/1998CN1201513A Combined article of detachable flash light, night light and fluorescent light
12/08/1998US5847540 Rechargeable flashlight with multi-position AC plug unit that controls load circuit and charging circuit connections and visual indicator
12/01/1998US5842779 Low power consumption light
12/01/1998US5842777 Flashlight
11/1998
11/24/1998US5839821 Flashlight with forward looking sensing of thermal bodies
11/17/1998US5836672 Rechargeable miniature flashlight
11/12/1998WO1998050730A1 Card light
11/12/1998CA2288891A1 Card light
11/10/1998US5833354 Flashlight and bulb holder therefor
11/10/1998CA2138543C Flashlight with signaling lamp
11/03/1998US5831413 Emergency light system
10/1998
10/29/1998DE19717374A1 Credit card size flat pocket torch
10/27/1998US5826972 Electric torch
10/27/1998US5826971 Slide focus flashlight
10/14/1998EP0870975A2 Flashlight having low magnetic susceptibility
10/14/1998EP0870974A2 Penlight having low magnetic susceptibility
10/14/1998EP0870155A1 Combination gas recombination/venting means for portable lighting device
10/14/1998EP0847512A4 Combination detachable flashlight, night light, and fluorescent light
10/14/1998CN2294375Y Torch
10/06/1998US5816689 Apparatus and associated method for creating a broad area of illumination
10/06/1998US5816688 Multi-functional lighting apparatus
10/01/1998WO1998043016A1 Combination flashlight-pyrotechnic signalling device launcher
09/1998
09/15/1998US5806964 Miniature flashlight
09/15/1998US5806962 Flashlight reflector which projects an uniformly illuminated adjustable beam and can be fabricated using conventional machine tools
09/15/1998US5806961 Rechargeable flashlight assembly with nightlight
09/15/1998US5806960 Universal safety light with EL element
09/08/1998US5804331 Battery device
09/02/1998CN1191821A Motor vehicle display apparatus
09/01/1998US5800044 Combination man overboard personal rescue light
09/01/1998US5800042 Adjustable headlamp system
08/1998
08/26/1998EP0860650A2 Lighting device, such as a motor-vehicle headlamp, having means for adjusting the emitted light beam
08/25/1998US5797672 Safety light
08/20/1998WO1998036214A1 Low power consumption lamp unit
08/18/1998US5795675 Battery device
08/13/1998DE19647171A1 Lamp esp cordless type for emergency lighting when mains fails
08/11/1998US5791763 Electronic control battery-operated device of lamp with fan
08/11/1998CA2148895C Truck/bus driver's tool
08/06/1998DE19704111A1 Headlamp for industrial application giving illumination
08/05/1998EP0856120A1 Convertible flashlight
07/1998
07/14/1998CA2128864C Portable flashlight
06/1998
06/30/1998US5772309 Flashlight and charging system
06/25/1998WO1998027603A1 Battery device
06/17/1998EP0847512A1 Combination detachable flashlight, night light, and fluorescent light
06/16/1998US5765938 Sleeve retention for flexible core of a flashlight
06/16/1998US5765937 Multi-function lighting device
06/10/1998EP0846240A1 Eye safe laser security device
06/04/1998CA2202081A1 Fluorescent lantern with auxiliary light
06/02/1998US5758949 Collapsible lantern
05/1998
05/27/1998EP0746718A4 Flashlight
05/26/1998US5757557 Beam-forming lens with internal cavity that prevents front losses
05/20/1998DE19751077A1 Sichtanzeige in Fahrzeugen Display in vehicles
05/19/1998US5752764 Flashlight having a switch mechanism mounted to a rear end thereof
05/19/1998US5752763 Light bulb and a light device using the same
05/19/1998US5752762 Flashlight
05/19/1998US5752761 High visibility flashlight
05/14/1998WO1998020276A1 A portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit
05/14/1998CA2270200A1 A portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit
05/12/1998US5749645 Flashlight
05/06/1998EP0840058A1 Portable electric lamp comprising a turnable barrel
05/05/1998US5746495 Portable work light with optical fiber adapter
04/1998
04/29/1998EP0759859A4 Safety/warning device
04/28/1998US5743624 Torch with a bellowed intermediate flexible tube member
04/07/1998US5735594 Flashlight
03/1998
03/24/1998US5731759 Combination flashlight, smoke detector and emergency alarm
03/12/1998WO1998010221A1 Fan-light
03/03/1998US5722765 Tailcap for a flashlight
02/1998
02/25/1998CN1174604A Truck/bus driver's tool
02/19/1998WO1998006975A1 Lighting devices e.g. bicycle lamps
02/19/1998WO1998006974A1 Flashing identification light adaptor system for flashlight