having one or more specially shaped cathodes

Industry

CPC
H01J61/66

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J61/00Gas- or vapour-discharge lamps

Current Industry

H01J61/66having one or more specially shaped cathodes

Industries

Patents Grantslast 30 patents

Information Patent Grant
Discharge device having cathode with micro hollow array
- Patent number 6,518,692
- Issue date Feb 11, 2003
- Old Dominion University
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge device having cathode with micro hollow array
- Patent number 6,346,770
- Issue date Feb 12, 2002
- Osram Sylvania, Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge device having cathode with micro hollow array
- Patent number 6,072,273
- Issue date Jun 6, 2000
- Osram Sylvania Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge device having cathode with micro hollow array
- Patent number 5,939,829
- Issue date Aug 17, 1999
- Osram Sylvania, Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge device having cathode with micro hollow array
- Patent number 5,686,789
- Issue date Nov 11, 1997
- Osram Sylvania Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display discharge lamp
- Patent number 5,298,834
- Issue date Mar 29, 1994
- Okaya Electric Industrial Co., Ltd.
- Seiichiro Oda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual action light bulb
- Patent number 5,132,589
- Issue date Jul 21, 1992
- Randall J. Friedman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low voltage gas discharge device
- Patent number 4,990,826
- Issue date Feb 5, 1991
- Franklin H. Cocks
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spectral source, particularly for atomic absorption spectrometry
- Patent number 4,198,589
- Issue date Apr 15, 1980
- Hitachi, Ltd.
- Shinji Mayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Glow discharge lamp
- Patent number 4,144,472
- Issue date Mar 13, 1979
- U.S. Philips Corporation
- Hermanus van Loon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2098519
- Patent number 2,098,519
- Issue date Nov 9, 1937
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2017726
- Patent number 2,017,726
- Issue date Oct 15, 1935
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Discharge device having cathode with micro hollow array
- Publication number 20020036461
- Publication date Mar 28, 2002
- Osram Sylvania Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS

having one or more specially shaped cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Display discharge lamp

Dual action light bulb

Low voltage gas discharge device

Spectral source, particularly for atomic absorption spectrometry

Glow discharge lamp

2098519

2017726

Patents Applicationslast 30 patents

Discharge device having cathode with micro hollow array