LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems

Electric lamp and discharge devices: systems – With automatic shunt and/or cutout – Plural load device systems

Electric incandescent lamp for series arrangement having an elec

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Electric insect trap power supply

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load

Electric lamp

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament – electric heater – or resistance in shunt with the...

Electric lamp and thermal switch therefore

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Load device temperature-modifying means combined with or...

Electric lamp having a fuse in a feed-through molding

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Automatic shunt circuit closing or cut-out switch

Electric lamp unit with improved fuse means

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load

Electric lamp with external fuse lead

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load

Electric lamp with light source extinguishing arrangement...

Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights

Electric light bulb saving device

Electric lamp and discharge devices: systems – Electric switch in the supply circuit

Electric light socket constructions

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Electric lighting and power controllers therefor

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Electric lighting and power controllers therefor

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Electric lighting systems

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Electric lights

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament or electric heater in series with a discharge...

Electric mixed light lamp

Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights

Electric motor rotator for Christmas tree ornaments

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Electric multispark ignition system, insensitive to moisture and

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits

Electric power source assembly for focusing electrode of color c

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Electric power supply for at least two electrodes