US3963956A
(en)
*
|
1975-04-16 |
1976-06-15 |
Beining August H |
Article for increasing the life expectancy of filament light bulbs
|
US4229680A
(en)
*
|
1979-05-23 |
1980-10-21 |
Ole K. Nilssen |
Lamp life extender
|
US4350931A
(en)
*
|
1981-01-08 |
1982-09-21 |
Niskin Shale J |
Light saver device
|
US4461973A
(en)
*
|
1982-03-19 |
1984-07-24 |
Duro-Test Corporation |
Energy-efficient incandescent lamp with improved filament characteristics
|
US4544861A
(en)
*
|
1983-04-11 |
1985-10-01 |
Certified Energy Systems, Inc. |
Rectifier housing for use with light bulbs
|
SE8405396L
(sv)
*
|
1984-10-29 |
1986-04-30 |
Sylve Ronndahl |
Omkopplingsanordning
|
US4897578A
(en)
*
|
1988-05-09 |
1990-01-30 |
Goad Sr Christopher F |
High efficiency incandescent lamp with diode rectifier
|
USRE35220E
(en)
*
|
1988-05-25 |
1996-04-30 |
Beacon Light Products, Inc. |
Two terminal controller
|
US5030890A
(en)
*
|
1988-05-25 |
1991-07-09 |
Johnson Samuel A |
Two terminal incandescent lamp controller
|
US4922155A
(en)
*
|
1988-06-22 |
1990-05-01 |
Gte Products Corporation |
Protective circuit for reduced voltage lamps
|
US5214354A
(en)
*
|
1990-09-25 |
1993-05-25 |
Beacon Light Products, Inc. |
Electronic control module (ECM) for controlling lighting functions of a lamp bulb and method of manufacture
|
US5126634A
(en)
*
|
1990-09-25 |
1992-06-30 |
Beacon Light Products, Inc. |
Lamp bulb with integrated bulb control circuitry and method of manufacture
|
US5206563A
(en)
*
|
1992-04-08 |
1993-04-27 |
Harold W. Glacken, Jr. |
Lightbulb life extender
|
US5504395A
(en)
*
|
1993-03-08 |
1996-04-02 |
Beacon Light Products, Inc. |
Lamp bulb having integrated RFI suppression and method of restricting RFI to selected level
|
US5504394A
(en)
*
|
1993-03-08 |
1996-04-02 |
Beacon Light Products, Inc. |
Lamp bulb having integrated lighting function control circuitry and method of manufacture
|
US5504400A
(en)
*
|
1994-09-23 |
1996-04-02 |
Dalnodar; David C. |
Two-channel AC light dimmer and lighting system
|
CA2155623C
(en)
*
|
1995-08-08 |
2003-12-30 |
Gilles Roy |
Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor
|
DE19549202B4
(de)
*
|
1995-12-30 |
2006-05-04 |
Robert Bosch Gmbh |
Gleichrichterdiode
|
US5861720A
(en)
*
|
1996-11-25 |
1999-01-19 |
Beacon Light Products, Inc. |
Smooth switching power control circuit and method
|
US5861721A
(en)
*
|
1996-11-25 |
1999-01-19 |
Beacon Light Products, Inc. |
Smooth switching module
|
DE29715545U1
(de)
*
|
1997-08-29 |
1997-11-06 |
Huis Wolfgang |
Leuchtmittelbeschaltung
|
USD423453S
(en)
*
|
1999-04-28 |
2000-04-25 |
Power Mizer Enterprises LLC |
Light bulb life extender
|
US7643084B2
(en)
*
|
2003-12-22 |
2010-01-05 |
Hoya Corporation |
Lighting control apparatus
|
US7245083B2
(en)
*
|
2005-01-11 |
2007-07-17 |
Longlite, Llc |
Incandescent lamp with integral controlling means
|
US20130178103A1
(en)
*
|
2012-01-09 |
2013-07-11 |
Wen-Cheng Tsai |
Safety plug assembly
|