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Frederic F. Ahlgren
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Richmond Heights, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for measuring and controlling selective cataly...
Patent number
7,846,405
Issue date
Dec 7, 2010
General Electric Company
William Steven Lanier
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for forming fused quartz using deuterium
Patent number
7,363,776
Issue date
Apr 29, 2008
Momentive Performance Materials Inc.
Larry Q. Zeng
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Fused quartz article having controlled devitrification
Patent number
6,875,515
Issue date
Apr 5, 2005
General Electric Company
Thomas Francis McNulty
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber deposition tube fused in deuterium atmosphere for att...
Patent number
6,799,440
Issue date
Oct 5, 2004
General Electric Company
Larry Q. Zeng
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Quartz making an elongated fused quartz article using a furnace wit...
Patent number
6,739,155
Issue date
May 25, 2004
General Electric Company
Robert Arthur Giddings
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Semiconductor processing component
Patent number
6,709,608
Issue date
Mar 23, 2004
General Electric Company
Thomas Bert Gorczyca
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Quartz fusion crucible
Patent number
6,632,086
Issue date
Oct 14, 2003
Stanley M. Antczak
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for quartz crucible fabrication
Patent number
6,502,422
Issue date
Jan 7, 2003
General Electric Company
Richard L. Hansen
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Semiconductor processing component
Patent number
6,504,233
Issue date
Jan 7, 2003
General Electric Company
Thomas Bert Gorczyca
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Quartz fusion furnace and method for forming quartz articles
Patent number
6,422,861
Issue date
Jul 23, 2002
General Electric Company
Stanley M. Antczak
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Opaque silica composition
Patent number
5,900,381
Issue date
May 4, 1999
General Electric Company
Victor Lien Kong Lou
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Reduced length compact fluorescent lamp and method of forming same
Patent number
5,705,883
Issue date
Jan 6, 1998
General Electric Company
Thomas F. Soules
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Patterned optical interference coatings for electric lamps
Patent number
5,676,579
Issue date
Oct 14, 1997
General Electric Company
Thomas G. Parham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lamp-to-light guide coupling arrangement for an electrodeless high...
Patent number
5,675,677
Issue date
Oct 7, 1997
General Electric Company
John M. Davenport
G02 - OPTICS
Information
Patent Grant
Patterned optical interference coatings for only a portion of a hig...
Patent number
5,587,626
Issue date
Dec 24, 1996
General Electric Company
Thomas G. Parham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High temperature lamp assembly with improved thermal management pro...
Patent number
5,420,769
Issue date
May 30, 1995
General Electric Company
Frederic F. Ahlgren
F21 - LIGHTING
Information
Patent Grant
Filament support for incandescent lamps
Patent number
5,404,069
Issue date
Apr 4, 1995
General Electric Company
Ronald J. Olwert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Incandesent lamps and processes for making same
Patent number
5,087,218
Issue date
Feb 11, 1992
General Electric Company
Frederic F. Ahlgren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tungsten-halogen incandescent and metal vapor discharge lamps and p...
Patent number
5,045,748
Issue date
Sep 3, 1991
General Electric Company
Frederic F. Ahlgren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal vapor discharge lamps
Patent number
4,891,555
Issue date
Jan 2, 1990
General Electric Company
Frederic F. Ahlgren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radiant energy incandescent lamp
Patent number
4,839,559
Issue date
Jun 13, 1989
General Electric Company
Frederic F. Ahlgren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tungsten-halogen incandescent and metal vapor discharge lamps and p...
Patent number
4,810,932
Issue date
Mar 7, 1989
General Electric Company
Frederic F. Ahlgren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Capacitively ballasted low voltage incandescent lamp
Patent number
4,525,651
Issue date
Jun 25, 1985
General Electric Company
Frederic F. Ahlgren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHOD FOR PRODUCING HOLLOW QUARTZ CYLINDERS
Publication number
20230416135
Publication date
Dec 28, 2023
Momentive Performance Materials Quartz, Inc.
Eugene PRUSS
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method and apparatus for measuring and controlling selective cataly...
Publication number
20050260761
Publication date
Nov 24, 2005
William Steven Lanier
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Quartz fusion furnace and method for forming quartz articles
Publication number
20050199012
Publication date
Sep 15, 2005
Robert Arthur Giddings
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fused quartz article having controlled devitrification
Publication number
20050081564
Publication date
Apr 21, 2005
Thomas Francis McNulty
C30 - CRYSTAL GROWTH
Information
Patent Application
Quartz fusion furnace and method for forming quartz articles
Publication number
20050072191
Publication date
Apr 7, 2005
Robert Arthur Giddings
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Optical fiber deposition tube fused in deuterium atmosphere for att...
Publication number
20050039490
Publication date
Feb 24, 2005
General Electric Co.
Larry Q. Zeng
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Fabrication of heavy walled silica tubing
Publication number
20030226376
Publication date
Dec 11, 2003
General Electric Company
Michael P. Winnen
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
FUSED QUARTZ ARTICLE HAVING CONTROLLED DEVITRIFICATION
Publication number
20030211335
Publication date
Nov 13, 2003
General Electric Company
Thomas Francis McNulty
C30 - CRYSTAL GROWTH
Information
Patent Application
Optical fiber deposition tube fused in deuterium atmosphere for att...
Publication number
20030159468
Publication date
Aug 28, 2003
GENERAL ELECTRIC COMPANY
Larry Q. Zeng
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Semiconductor processing component
Publication number
20020173117
Publication date
Nov 21, 2002
Thomas Bert Gorczyca
H01 - BASIC ELECTRIC ELEMENTS