Circular lamps

Industry

CPC
H01J61/322

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

H01J61/322Circular lamps

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Plasma light engine
- Patent number 12,176,201
- Issue date Dec 24, 2024
- Roland Gesche
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power low pressure UV bulb with plasma resistant coating
- Patent number 10,354,857
- Issue date Jul 16, 2019
- Lam Research Corporation
- Xiaolan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Manufacturing method of arc tube having a glass tube of a flat-spir...
- Patent number 7,479,049
- Issue date Jan 20, 2009
- Panasonic Corporation
- Kouhei Iwase
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fluorescent lamp including a multi-ringed bulb
- Patent number 7,443,092
- Issue date Oct 28, 2008
- Toshiba Lighting & Technology Corporation
- Ichiro Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp having bent portions and its manufacturing method,...
- Patent number 7,285,899
- Issue date Oct 23, 2007
- Toshiba Lighting & Technology Corporation
- Kiyoshi Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spiral-shaped lamp for UV curing of coatings and bonding for a digi...
- Patent number 7,150,806
- Issue date Dec 19, 2006
- Xenon Corporation
- C. Richard Panico
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-spectral uniform light source
- Patent number 7,063,583
- Issue date Jun 20, 2006
- WaferMasters, Inc.
- Woo Sik Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular fluorescent lamp including an insulator between conductive...
- Patent number 6,815,879
- Issue date Nov 9, 2004
- Toshiba Lighting & Technology Corporation
- Toshiyuki Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp
- Patent number 6,794,818
- Issue date Sep 21, 2004
- Matsushita Electric Industrial Co., Ltd.
- Minoru Myojo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circular fluorescent lamp unit and lighting apparatus
- Patent number 6,789,919
- Issue date Sep 14, 2004
- NEC Corporation
- Otokazu Imanishi
- F21 - LIGHTING
Information Patent Grant
Dual circular fluorescent lamp
- Patent number 6,630,780
- Issue date Oct 7, 2003
- Technical Consumer Products, Inc.
- Ellis Yan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp having a spacer between glass tubes
- Patent number 6,621,209
- Issue date Sep 16, 2003
- Matsushita Electric Industrial Co., Ltd.
- Minoru Myojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp and a method of making same, and a lighting fixture
- Patent number 6,552,489
- Issue date Apr 22, 2003
- Toshiba Lighting & Technology Corporation
- Yuichi Sakakibara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low-pressure mercury vapor discharge lamp and illuminator
- Patent number 6,337,539
- Issue date Jan 8, 2002
- Toshiba Lighting & Technology Corporation
- Takashi Yorifuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular fluorescent lamp unit and lighting apparatus.
- Patent number 6,193,390
- Issue date Feb 27, 2001
- Toshiba Lighting & Technology Corporation
- Yuichi Sakakibara
- F21 - LIGHTING
Information Patent Grant
Curved shatter-resistant lamp assembly and method
- Patent number 6,043,600
- Issue date Mar 28, 2000
- Royal Lite Manufacturing and Supply Corp.
- Michael F. Sica
- F21 - LIGHTING
Information Patent Grant
Annulus fluorescent lamp
- Patent number 6,031,324
- Issue date Feb 29, 2000
- Matsushita Electric Industrial Co., Ltd.
- Kenji Itaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Annulus fluorescent lamp with overheat protection
- Patent number 5,977,692
- Issue date Nov 2, 1999
- Matsushita Electronics Corporation
- Kenji Itaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Closed-loop tubular lamp envelope and method of manufacture
- Patent number 5,932,961
- Issue date Aug 3, 1999
- Osram Sylvania Inc.
- David C. Wentzel
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing a fluorescent lamp
- Patent number 5,833,506
- Issue date Nov 10, 1998
- Matsushita Electronics Corporation
- Toshiyoshi Oga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular fluorescent lamp unit and lighting apparatus
- Patent number 5,796,210
- Issue date Aug 18, 1998
- Toshiba Lighting & Technology Corporation
- Yuichi Sakakibara
- F21 - LIGHTING
Information Patent Grant
Low-pressure discharge lamp with base and mount
- Patent number 5,789,849
- Issue date Aug 4, 1998
- Patent-Treuhand-Gesellschaft fur elektrische Gluehlampen mbH
- Horst Porembski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Closed-loop tubular lamp envelope and method of manufacture
- Patent number 5,722,549
- Issue date Mar 3, 1998
- Osram Sylvania Inc.
- David C. Wentzel
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Circular fluorescent lamp
- Patent number 5,723,939
- Issue date Mar 3, 1998
- Matsushita Electronics Corporation
- Ikuhiro Okuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular fluorescent lamp
- Patent number 5,034,655
- Issue date Jul 23, 1991
- Hitachi, Ltd.
- Seiichi Murayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Annular fluorescent lamp
- Patent number 4,833,574
- Issue date May 23, 1989
- P. Christopher J. Galagher
- F21 - LIGHTING
Information Patent Grant
Fluorescent lamp holder
- Patent number 4,485,331
- Issue date Nov 27, 1984
- GTE Products Corporation
- Thomas Haraden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular fluorescent lamp unit
- Patent number 4,454,451
- Issue date Jun 12, 1984
- General Electric Company
- Rudolph Metoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3191087
- Patent number 3,191,087
- Issue date Jun 22, 1965
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2794906
- Patent number 2,794,906
- Issue date Jun 4, 1957
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING PLASMA LAMP BULB FOR SOLAR UV SIMULATION AND LAMP CO...
- Publication number 20240063011
- Publication date Feb 22, 2024
- Korea Research Institute of Chemical Technology
- Doo Jin BYUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLASMA LIGHT ENGINE
- Publication number 20230162968
- Publication date May 25, 2023
- Roland Gesche
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH POWER LOW PRESSURE UV BULB WITH PLASMA RESISTANT COATING
- Publication number 20180182607
- Publication date Jun 28, 2018
- LAM RESEARCH CORPORATION
- Xiaolan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DISCHARGE LAMP
- Publication number 20080191599
- Publication date Aug 14, 2008
- Kenji Itaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spiral-shaped lamp for UV curing of coatings and bonding for a digi...
- Publication number 20070095480
- Publication date May 3, 2007
- Xenon Corporation
- C. Richard Panico
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Manufacturing method of arc tube having a glass tube of a flat-spir...
- Publication number 20060197451
- Publication date Sep 7, 2006
- Kouhei Iwase
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fluorescent lamp and its manufacturing method, and illuminating app...
- Publication number 20060164000
- Publication date Jul 27, 2006
- TOSHIBA LIGHTING & TECHNOLOGY CORP.
- Kiyoshi Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Flurescent lamp and luminaire
- Publication number 20060071601
- Publication date Apr 6, 2006
- TOSHIBA LIGHTING & TECHNOLOGY CORP.
- Ichiro Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DUAL CIRCULAR FLUORESCENT LAMP
- Publication number 20030178933
- Publication date Sep 25, 2003
- Ellis Yan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circular fluorescent lamp, and a lighting fixture using the lamp
- Publication number 20030025432
- Publication date Feb 6, 2003
- Toshiyuki Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spiral-shaped lamp for UV curing of coatings and bonding for a digi...
- Publication number 20030010435
- Publication date Jan 16, 2003
- Xenon Corporation
- C. Richard Panico
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Circular fluorescent lamp unit and lighting apparatus
- Publication number 20020196621
- Publication date Dec 26, 2002
- Otokazu Imanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-spectral uniform light source
- Publication number 20020136018
- Publication date Sep 26, 2002
- Woo Sik Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent lamp, self-ballasted fluorescent lamp and lighting appa...
- Publication number 20020057059
- Publication date May 16, 2002
- Kazuhisa Ogishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent lamp
- Publication number 20020024301
- Publication date Feb 28, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Minoru Myojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent lamp and a method of making same, and a lighting fixture
- Publication number 20010036076
- Publication date Nov 1, 2001
- Yuichi Sakakibara
- C03 - GLASS MINERAL OR SLAG WOOL

Circular lamps

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Plasma light engine

High power low pressure UV bulb with plasma resistant coating

Manufacturing method of arc tube having a glass tube of a flat-spir...

Fluorescent lamp including a multi-ringed bulb

Fluorescent lamp having bent portions and its manufacturing method,...

Spiral-shaped lamp for UV curing of coatings and bonding for a digi...

Multi-spectral uniform light source

Circular fluorescent lamp including an insulator between conductive...

Fluorescent lamp

Circular fluorescent lamp unit and lighting apparatus

Dual circular fluorescent lamp

Fluorescent lamp having a spacer between glass tubes

Fluorescent lamp and a method of making same, and a lighting fixture

Low-pressure mercury vapor discharge lamp and illuminator

Circular fluorescent lamp unit and lighting apparatus.

Curved shatter-resistant lamp assembly and method

Annulus fluorescent lamp

Annulus fluorescent lamp with overheat protection

Closed-loop tubular lamp envelope and method of manufacture

Method for manufacturing a fluorescent lamp

Circular fluorescent lamp unit and lighting apparatus

Low-pressure discharge lamp with base and mount

Closed-loop tubular lamp envelope and method of manufacture

Circular fluorescent lamp

Circular fluorescent lamp

Annular fluorescent lamp

Fluorescent lamp holder

Circular fluorescent lamp unit

3191087

2794906

Patents Applicationslast 30 patents

LIGHT EMITTING PLASMA LAMP BULB FOR SOLAR UV SIMULATION AND LAMP CO...

PLASMA LIGHT ENGINE

HIGH POWER LOW PRESSURE UV BULB WITH PLASMA RESISTANT COATING

DISCHARGE LAMP

Spiral-shaped lamp for UV curing of coatings and bonding for a digi...

Manufacturing method of arc tube having a glass tube of a flat-spir...

Fluorescent lamp and its manufacturing method, and illuminating app...

Flurescent lamp and luminaire

DUAL CIRCULAR FLUORESCENT LAMP

Circular fluorescent lamp, and a lighting fixture using the lamp

Spiral-shaped lamp for UV curing of coatings and bonding for a digi...

Circular fluorescent lamp unit and lighting apparatus

Multi-spectral uniform light source

Fluorescent lamp, self-ballasted fluorescent lamp and lighting appa...

Fluorescent lamp

Fluorescent lamp and a method of making same, and a lighting fixture