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Walter Holzer
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Meersburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptor for shockproof socket
Patent number
6,743,041
Issue date
Jun 1, 2004
Provera GmbH
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light fittings for retrofitting large-diameter inductive fluorescen...
Patent number
6,624,554
Issue date
Sep 23, 2003
Provera GmbH
Walter Holzer
F21 - LIGHTING
Information
Patent Grant
Apparatus and method for stabilizing the voltage of an AC generator...
Patent number
6,624,617
Issue date
Sep 23, 2003
Walter Holzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flat reflector lamp for fluorescent tubes
Patent number
6,558,020
Issue date
May 6, 2003
Walter Holzer
F21 - LIGHTING
Information
Patent Grant
DC/AC conversion apparatus and method having contactless, inductive...
Patent number
6,490,176
Issue date
Dec 3, 2002
Provera GmbH
Walter Holzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas discharge lamp
Patent number
D463869
Issue date
Oct 1, 2002
Walter Holzer
D26 - Lighting
Information
Patent Grant
Straight fluorescent lamp with surface-mounted electrical conduit
Patent number
6,429,590
Issue date
Aug 6, 2002
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Headbox and process for supplying a material suspension
Patent number
6,372,092
Issue date
Apr 16, 2002
Voith Sulzer Papiertechnik Patent GmbH
Alfred Bubik
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorescent lamp with replaceable light element
Patent number
6,307,316
Issue date
Oct 23, 2001
Walter Holzer
F21 - LIGHTING
Information
Patent Grant
Contact-safe base-and-socket system for lighting fixtures
Patent number
6,250,947
Issue date
Jun 26, 2001
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and device for the modulation of the intensity of fluorescen...
Patent number
6,211,624
Issue date
Apr 3, 2001
Walter Holzer
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Gas discharge lamp
Patent number
D434860
Issue date
Dec 5, 2000
Walter Holzer
D26 - Lighting
Information
Patent Grant
Method and device for locking of electrical plug-in connections for...
Patent number
6,113,416
Issue date
Sep 5, 2000
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas discharge lamp
Patent number
D429348
Issue date
Aug 8, 2000
Walter Holzer
D26 - Lighting
Information
Patent Grant
Single-based gas discharge vessel for energy-saving lamps
Patent number
6,054,806
Issue date
Apr 25, 2000
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shockproof and touch-safe lamp holder and adapter system for lamps
Patent number
6,036,522
Issue date
Mar 14, 2000
Walter Holzer
F21 - LIGHTING
Information
Patent Grant
Safety socket/mounting system for filament and gas-discharge lamps
Patent number
6,033,249
Issue date
Mar 7, 2000
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fluorescent lamp with replaceable lamp part
Patent number
6,020,682
Issue date
Feb 1, 2000
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coiled gas discharge tubes for gas discharge lamps
Patent number
5,925,978
Issue date
Jul 20, 1999
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and device for controlling electric discharge lamps with ele...
Patent number
5,729,097
Issue date
Mar 17, 1998
Walter Holzer
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Duplicating and ciphering device and methods for codification of fa...
Patent number
5,579,392
Issue date
Nov 26, 1996
Walter Holzer
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Compact fluorescent lamp
Patent number
D368144
Issue date
Mar 19, 1996
Walter Holzer
D26 - Lighting
Information
Patent Grant
Process and equipment for counterfeit-proof operation of gambling m...
Patent number
5,451,756
Issue date
Sep 19, 1995
Holzer; Walter
Walter Holzer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for monitoring the temperature of cooled or deep-frozen prod...
Patent number
5,282,684
Issue date
Feb 1, 1994
Walter Holzer
G01 - MEASURING TESTING
Information
Patent Grant
Process for the production of an indicator for monitoring the tempe...
Patent number
5,267,794
Issue date
Dec 7, 1993
Walter Holzer
G01 - MEASURING TESTING
Information
Patent Grant
Gas discharge basin for compact lamps
Patent number
5,243,256
Issue date
Sep 7, 1993
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of coating a base of a gold alloy of at least 22 carat purit...
Patent number
5,173,340
Issue date
Dec 22, 1992
Walter Holzer
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process and equipment designed to control a burner for heating systems
Patent number
5,135,162
Issue date
Aug 4, 1992
Walter Holzer
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Compact fluorescent lamp
Patent number
5,128,590
Issue date
Jul 7, 1992
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indicator for monitoring and temperature control of frozen products
Patent number
5,102,233
Issue date
Apr 7, 1992
Provera GmbH
Ingeborg Staerk
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Semilamp for retrofitting of lamps with inductive ballasts for elec...
Publication number
20040104659
Publication date
Jun 3, 2004
Walter Holzer
F21 - LIGHTING
Information
Patent Application
Low profile lamp socket
Publication number
20030228801
Publication date
Dec 11, 2003
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Adaptor for shockproof socket
Publication number
20030104718
Publication date
Jun 5, 2003
Walter Holzer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DC/AC CONVERSION APPARATUS AND METHOD HAVING CONTACTLESS, INDUCTIVE...
Publication number
20020141215
Publication date
Oct 3, 2002
Walter Holzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
STRAIGHT FLUORESCENT LAMP WITH SURFACE-MOUNTED ELECTRICAL CONDUIT
Publication number
20020011790
Publication date
Jan 31, 2002
WALTER HOLZER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light fittings for retrofitting large-diameter inductive fluorescen...
Publication number
20010034148
Publication date
Oct 25, 2001
Walter Holzer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...