Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DR

David Thomas Ryan — 10 Patents

GE: 7 patents #4,957 of 36,430Top 15%
QTQuester Technology: 2 patents #4 of 16Top 25%
OSOxford Instruments Superconductivity: 1 patents #5 of 26Top 20%
Concord, CA: #78 of 739 inventorsTop 15%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
David Thomas Ryan has been granted 10 US patents while listed as an inventor at GE. The first was granted in 2000 and the most recent in October 2011. David Thomas Ryan ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Thomas Ryan in Concord, CA, US.

Patents per Year

Patents granted per year, 2000 to 2011Bar chart with a peak of 3 patents in 2008.peak 32000: 2 patents20002004: 1 patents20042005: 2 patents20052006: 1 patents20062008: 3 patents20082011: 1 patents2011

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8033121 Low eddy current cryogen circuit for superconducting magnets Xianrui Huang, Paul Shadforth Thompson, Gregory Alan Lehmann, Timothy John Havens 2011-10-11 $21,101,000
7464558 Low eddy current cryogen circuit for superconducting magnets Xianrui Huang, Paul Shadforth Thompson, Gregory Alan Lehmann, Timothy John Havens 2008-12-16 $43,932,000
7342757 System and method for quench protection of a superconductor Xianrui Huang, Kiruba Sivasubramaniam, James William Bray 2008-03-11 $44,921,000
7319327 Magnetic resonance imaging system with reduced cooling needs Kathleen Melanie Amm, Bruce Alan Knudsen, Judson Sloan Marte, Thomas Robert Raber, Robert John Zabala +4 more 2008-01-15 $95,045,000
7053509 Quench monitoring and control system and method of operating same Evangelos Trifon Laskaris, Xianrui Huang 2006-05-30 $23,397,000
6900714 System and method for quench and over-current protection of superconductor Xianrui Huang, Evangelos Trifon Laskaris, Kiruba Sivasubramaniam, James William Bray, James Michael Fogarty +1 more 2005-05-31 $48,331,000
6850066 Systems and methods for gradient compensation in magnetic resonance imaging Timothy John Havens, Xianrui Huang 2005-02-01 $33,832,000
6806432 Superconducting coils Martin N. Wilson 2004-10-19
6114227 Chamber for reducing contamination during chemical vapor deposition David Leksell, Ming Xi Chan, Joseph P. Ellul, Jeanne Luce, Iqbal Shareef +3 more 2000-09-05
6079353 Chamber for reducing contamination during chemical vapor deposition David Leksell, Ming Xi Chan, Joseph P. Ellul, Jeanne Luce, Iqbal Shareef +2 more 2000-06-27