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U. S. I. LIGHTING, INC
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SAN LEANDRO, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modified half-bridge parallel-loaded series resonant converter topo...
Patent number
5,424,614
Issue date
Jun 13, 1995
Usi Lighting, Inc.
Ajay Maheshwari
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Modular recessed compact fluorescent lamp fixture
Patent number
5,410,462
Issue date
Apr 25, 1995
Usi Lighting, Inc.
Denis G. Wolfe
F21 - LIGHTING
Information
Patent Grant
Non-automatic resetting thermal-protected ballast
Patent number
5,402,039
Issue date
Mar 28, 1995
Usi Lighting, Inc.
Denis G. Wolfe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Area lighting system for near uniform illumination of a square hori...
Patent number
5,363,293
Issue date
Nov 8, 1994
Usi Lighting, Inc.
Martin L. Lasker
F21 - LIGHTING
Information
Patent Grant
Ground fault detector and associated logic for an electronic ballast
Patent number
5,334,912
Issue date
Aug 2, 1994
Usi Lighting, Inc.
Richard C. Counts
G01 - MEASURING TESTING
Information
Patent Grant
Electronic ballast for gaseous discharge lamp operation
Patent number
5,331,253
Issue date
Jul 19, 1994
Usi Lighting, Inc.
Richard C. Counts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fluorescent lamp system
Patent number
5,051,662
Issue date
Sep 24, 1991
Usi Lighting, Inc.
Richard C. Counts
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Power factor correction circuit
Patent number
5,008,599
Issue date
Apr 16, 1991
Usi Lighting, Inc.
Richard C. Counts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adjustable light fixture
Patent number
4,881,157
Issue date
Nov 14, 1989
Usi Lighting, Inc.
Scott T. Pahl
F21 - LIGHTING
Information
Patent Grant
Fluorescent lamp system
Patent number
4,866,350
Issue date
Sep 12, 1989
Usi Lighting, Inc.
Richard C. Counts
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74481566 - USI COLUMBIA
Serial number
74481566
Registration number
1908323
Filing date
Jan 24, 1994
U.S.I. Lighting, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
74320231 - USI LIGHTING
Serial number
74320231
Registration number
1793484
Filing date
Oct 5, 1992
USI LIGHTING INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73583264 - USI LIGHTING INC.
Serial number
73583264
Registration number
1546098
Filing date
Feb 18, 1986
PRESCOLITE, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73540324 - USI LIGHTING
Serial number
73540324
Registration number
1371136
Filing date
May 29, 1985
USI LIGHTING INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments