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USPTO Patent Rankings Data through Dec 31, 2025
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James T. Dakin — 27 Patents

GE: 27 patents #851 of 36,430Top 3%
Schenectady, NY: #91 of 1,353 inventorsTop 7%
New York: #4,677 of 115,490 inventorsTop 5%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
James T. Dakin has been granted 27 US patents while listed as an inventor at GE. The first was granted in 1982 and the most recent in September 2004. James T. Dakin ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list James T. Dakin in Schenectady, NY, US.

Patents per Year

Patents granted per year, 1982 to 2004Bar chart with a peak of 5 patents in 1992.peak 51982: 1 patents19821986: 1 patents19861988: 2 patents19881989: 2 patents19891992: 5 patents19921993: 4 patents19931994: 3 patents19941995: 2 patents19951997: 2 patents19972004: 5 patents2004

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6798139 Three electrode ceramic metal halide lamp Raghu Ramaiah 2004-09-28 $53,036,000
6781295 One piece clip for mounting light source to reflector Matthew A. Bugenske 2004-08-24 $38,400,000
6741013 Shrouded electric lamp having functionally distinguishable center supports Mark E. Duffy, Curtis E. Scott 2004-05-25 $40,489,000
6731068 Ceramic metal halide lamp James A. Leonard, Stuart A. Mucklejohn, Gergely Ormandlaky 2004-05-04 $54,354,000
6731067 Elimination of weld in ceramic metal halide electrode-leadwire James R. Woodward 2004-05-04 $54,354,000
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 $33,909,000
5610469 Electric lamp with ellipsoidal shroud Rolf S. Bergman, Thomas G. Parham 1997-03-11 $31,639,000
5479072 Low mercury arc discharge lamp containing neodymium Tommie Edward Berry, Mark E. Duffy, Timothy D. Russell 1995-12-26 $30,214,000
5378965 Luminaire including an electrodeless discharge lamp as a light source Lawrence W. Speaker, Mark E. Duffy, Raymond A. Heindl 1995-01-03 $26,206,000
5373216 Electrodeless arc tube with stabilized condensate location Mark E. Duffy 1994-12-13 $25,357,000
5363015 Low mercury arc discharge lamp containing praseodymium Tommie Edward Berry, Mark E. Duffy, Timothy D. Russell 1994-11-08 $13,735,000
5306987 Acoustic resonance arc stabilization arrangement in a discharge lamp Mark E. Duffy 1994-04-26 $10,463,000
5258691 Metal halide lamp having improved operation acoustic frequencies Kenneth S. King, Gary R. Allen 1993-11-02 $10,431,000
5248918 Starting aid for an electrodeless high intensity discharge lamp Mark E. Duffy, Raymond A. Heindl 1993-09-28 $15,318,000
5214357 Low-loss L-C drive circuit for an electrodeless high intensity discharge lamp Mark E. Duffy, Raymond A. Heindl, Victor A. Levand, Jr. 1993-05-25 $8,883,000
5213537 Method for dosing a discharge lamp with mercury Victor D. Roberts, Walter R. Champman, Jr., Bernard F. Fenoglio 1993-05-25 $8,883,000
5151633 Self-extinguishing gas probe starter for an electrodeless high intensity discharge lamp George A. Farrall, John P. Cocoma, Mark E. Duffy, Tommie Edward Berry 1992-09-29 $13,786,000
5150015 Electrodeless high intensity discharge lamp having an intergral quartz outer jacket Raymond A. Heindl, Mark E. Duffy, Harald L. Witting, Richard C. Nagle, Lawrence T. Mazza 1992-09-22 $13,603,000
5140227 Starting aid for an electrodeless high intensity discharge lamp Mark E. Duffy, Raymond A. Heindl 1992-08-18 $10,305,000
5128589 Heat removing means to remove heat from electric discharge lamp 1992-07-07 $13,918,000
5095249 Gas probe starter for an electrodeless high intensity discharge lamp Victor D. Roberts, Mark E. Duffy, Raymond A. Heindl 1992-03-10 $18,685,000
4872741 Electrodeless panel discharge lamp liquid crystal display Sayed-Amr El-Hamamsy 1989-10-10 $8,967,000
4810938 High efficacy electrodeless high intensity discharge lamp Peter D. Johnson, John M. Anderson 1989-03-07 $7,105,000
4783615 Electrodeless high pressure sodium iodide arc lamp 1988-11-08 $9,959,000
4757236 High pressure metal halide arc lamp with xenon buffer gas Peter D. Johnson 1988-07-12 $15,421,000