FA

Frederic F. Ahlgren

GE: 21 patents #1,263 of 36,430Top 4%
AT Advanced Lighting Technologies: 1 patents #19 of 33Top 60%
MG Momentive Performance Materials Gmbh: 1 patents #331 of 627Top 55%
Overall (All Time): #159,656 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12384712 Systems and method for producing hollow quartz cylinders Eugene Anthony Pruss, Douglas Korwin, Michael Plate, Theodore Kircher 2025-08-12
8766537 Infrared halogen lamp with improved efficiency Abbas Lamouri, Juris Sulcs 2014-07-01
7846405 Method and apparatus for measuring and controlling selective catalytic reduction (SCR) emission control systems William Lanier, Theodore Kircher 2010-12-07
7363776 Method for forming fused quartz using deuterium Larry Qiang Zeng, Victor Lou, Anil Raj Duggal 2008-04-29
6875515 Fused quartz article having controlled devitrification Thomas Francis McNulty, David Pender, Victor Lou, Robert Arthur Giddings 2005-04-05
6799440 Optical fiber deposition tube fused in deuterium atmosphere for attenuation improvement Larry Qiang Zeng, Victor Lou, Anil Raj Duggal 2004-10-05
6739155 Quartz making an elongated fused quartz article using a furnace with metal-lined walls Robert Arthur Giddings 2004-05-25
6709608 Semiconductor processing component Thomas Bert Gorczyca, Margaret Ellen Lazzeri 2004-03-23
6632086 Quartz fusion crucible Stanley M. Antczak, Mark A. Castelletti 2003-10-14
6502422 Method for quartz crucible fabrication Richard L. Hansen, Robert Arthur Giddings 2003-01-07
6504233 Semiconductor processing component Thomas Bert Gorczyca, Margaret Ellen Lazzeri 2003-01-07
6422861 Quartz fusion furnace and method for forming quartz articles Stanley M. Antczak 2002-07-23
5900381 Opaque silica composition Victor Lou, Matthew J. Curran, Mohan Rajaram 1999-05-04
5705883 Reduced length compact fluorescent lamp and method of forming same Thomas F. Soules, Jennifer I. Barry, Alexander L. Guba, Erwin G. Steinbrenner 1998-01-06
5676579 Patterned optical interference coatings for electric lamps Thomas G. Parham, Frederick W. Dynys, Carl Gunter, John M. Davenport, Thomas Golz +4 more 1997-10-14
5675677 Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp John M. Davenport, Mark E. Duffy, Richard L. Hansler, Kenneth S. King, William J. Cassarly +3 more 1997-10-07
5587626 Patterned optical interference coatings for only a portion of a high intensity lamp envelope Thomas G. Parham, Frederick W. Dynys, Carl Gunter, John M. Davenport, Thomas Golz +4 more 1996-12-24
5420769 High temperature lamp assembly with improved thermal management properties Gary R. Allen, William J. Cassarly, Willie J. Cheney, John M. Davenport, Richard L. Hansler +1 more 1995-05-30
5404069 Filament support for incandescent lamps Ronald J. Olwert, Laverne E. Walsh, Donald R. Schindler, Rolf S. Bergman, Gary L. Price +1 more 1995-04-04
5087218 Incandesent lamps and processes for making same John M. Davenport, Richard L. Hansler, John J. Karikas 1992-02-11
5045748 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such John M. Davenport, Richard L. Hansler, John J. Karikas 1991-09-03
4891555 Metal vapor discharge lamps John M. Davenport, Richard L. Hansler, John J. Karikas 1990-01-02
4839559 Radiant energy incandescent lamp Rolf S. Bergman, John M. Davenport, Richard L. Hansler, Robert G. Hantman, Leonard E. Hoegler 1989-06-13
4810932 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such John M. Davenport, Richard L. Hansler, John J. Karikas 1989-03-07
4525651 Capacitively ballasted low voltage incandescent lamp 1985-06-25