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USPTO Patent Rankings Data through Dec 31, 2025
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David Trost — 30 Patents

COCoherent: 17 patents #10 of 402Top 3%
Applied Materials: 4 patents #2,532 of 7,310Top 35%
PEPerkinelmer: 4 patents #72 of 711Top 15%
ESEtec Systems: 2 patents #17 of 61Top 30%
LULumenis: 1 patents #60 of 115Top 55%
SPSpectra-Physics: 1 patents #113 of 257Top 45%
Fairfield, CT: #18 of 661 inventorsTop 3%
Connecticut: #1,127 of 34,797 inventorsTop 4%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
David Trost has been granted 30 US patents while listed as an inventor at Coherent. The first was granted in 1984 and the most recent in May 2005. David Trost ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list David Trost in Fairfield, CT, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6888619 Positioning device 2005-05-03
6878950 Method of reducing heat-induced distortion of photomasks during lithography Bassam Shamoun 2005-04-12 $15,186,000
6555829 High precision flexure stage James Spallas, Lawrence P. Muray, Ho Seob Kim, Tai-Hon Philip Chang 2003-04-29 $17,791,000
6521901 System to reduce heat-induced distortion of photomasks during lithography Bassam Shamoun 2003-02-18 $21,472,000
6424879 System and method to correct for distortion caused by bulk heating in a substrate Francis Chilese, Bassam Shamoun 2002-07-23 $29,082,000
6328733 Hand-held laser scanner 2001-12-11 $11,911,000
6135995 Electronically pulsed laser system Michael Arnett, Robert J. Rorden, Gregory Dumond, Jerzy Orkiszewski, David A. Dewey 2000-10-24 $18,449,000
5999555 Apparatus for combining laser beams Kevin P. Connors, James L. Hobart, Edward D. Reed 1999-12-07 $9,046,000
5957915 Hand-held laser scanner 1999-09-28 $7,375,000
5847959 Method and apparatus for run-time correction of proximity effects in pattern generation Lee H. Veneklasen, Robert A. Innes, Sergey Babin, Jeffrey A. Varner 1998-12-08 $15,598,000
5784925 Vacuum compatible linear motion device Lee H. Veneklasen 1998-07-28 $10,826,000
5781574 Liquid circulation system for cooling a laser head Kevin P. Connors, James L. Hobart, Edward D. Reed, Kenneth J. Bossie, Thomas W. McCurnin +2 more 1998-07-14 $1,967,000
5743902 Hand-held laser scanner 1998-04-28 $5,033,000
5659563 Solid state laser with relay optics Edward D. Reed 1997-08-19 $4,995,000
5625638 Sealed crystalline windows for hollow laser fibers 1997-04-29 $4,585,000
5558666 Handpiece for producing highly collimated laser beam for dermatological procedures David A. Dewey, Michael Arnett, Dale E. Koop 1996-09-24 $2,224,000
5394501 Optical coating for reflecting visible and longer wavelength radiation having grazing incidence angle Philip Baumeister, Dennis Fischer 1995-02-28 $2,991,000
5375132 Solid state laser with interleaved output Kevin P. Connors, James L. Hobart, Edward D. Reed, Kenneth J. Bossie, Thomas W. McCurnin +2 more 1994-12-20 $1,783,000
5341238 Dichroic optical filter Philip Baumeister, Dennis Fischer 1994-08-23 $1,526,000
5333090 Optical coating for reflecting visible and longer wavelength radiation having grazing incidence angle Philip Baumeister, Dennis Fischer 1994-07-26 $1,525,000
5321715 Laser pulse format for penetrating an absorbing fluid 1994-06-14 $1,454,000
5312398 Apparatus for delivering a laser beam James L. Hobart 1994-05-17 $1,398,000
5304174 Micromanipulator apparatus for surgical laser Robert Bernhard Estrada 1994-04-19 $782,000
5296961 Dichroic optical filter Philip Baumeister, Dennis Fischer 1994-03-22 $1,337,000
5257992 Micromanipulator apparatus for surgical laser Robert Bernhard Estrada 1993-11-02 $743,000