Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gene Fields — 33 Patents

STScroll Technologies: 18 patents #10 of 60Top 20%
DTDanfoss Scroll Technologies: 5 patents #3 of 23Top 15%
ACAlliance Compressors: 3 patents #2 of 11Top 20%
HCHitachi-Johnson Controls Air Conditioning: 3 patents #22 of 179Top 15%
BCBristol Compressors: 2 patents #27 of 61Top 45%
ASAmerican Standard: 2 patents #231 of 558Top 45%
Frankston, TX: #1 of 10 inventorsTop 10%
Texas: #3,395 of 125,132 inventorsTop 3%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Gene Fields has been granted 33 US patents while listed as an inventor at Scroll Technologies. The first was granted in 1992 and the most recent in January 2023. Gene Fields ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Gene Fields in Frankston, TX, US.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11555494 Oldham coupling in co-rotating scroll compressors Jianhui PENG, Fei Fei Feng 2023-01-17
11542942 Dynamic radial compliance in scroll compressors Greg Hahn, Joe T. Hill, Jianhui PENG 2023-01-03
10920776 Rotary compressor and assembly method thereof Joe T. Hill 2021-02-16
8840384 Scroll compressor capacity modulation with solenoid mounted outside a compressor shell Tapesh P. Patel, Joe T. Hill, Tracy L. Milliff, Harshal Upadhye, Behzad Parastar +1 more 2014-09-23
8337183 Oil return valve for a scroll compressor Tracy L. Milliff, Thomas R. Barlto, Edward A. Tomayko, Joe T. Hill, Carlos Zamudio +3 more 2012-12-25
8328531 Scroll compressor with three-step capacity control Tracy L. Milliff, Zili Sun, Tapesh P. Patel, Jacob Munich, Joe T. Hill 2012-12-11
8308448 Scroll compressor capacity modulation with hybrid solenoid and fluid control Joe T. Hill, Tracy L. Milliff, Tapesh P. Patel, Harshal Upadhye, Behzad Parastar +1 more 2012-11-13
8215926 Scroll compressor counterweight with cooling flow directing surface Joe T. Hill 2012-07-10
7766628 Sealed compressor with structure on lower housing shell to assist weld placement Vince Loy, Paul J. Cambron, Zili Sun 2010-08-03
7083397 Scroll compressor with motor control for capacity modulation Joseph F. Loprete, John R. Williams, Joe T. Hill 2006-08-01
6896499 Scroll compressor with flow restriction and back pressure chamber tap Robert Carl Witham, Gregory William Hahn, Thomas R. Barito 2005-05-24
6761545 Scroll compressor with flow restriction and back pressure chamber tap Robert Carl Witham, Gregory William Hahn, Thomas R. Barito 2004-07-13
6722861 Scroll compressor with motor control for capacity modulation Joseph F. Loprete, John R. Williams, Joe T. Hill 2004-04-20
6619934 Scroll compressor with motor control for capacity modulation Joseph F. Loprete, John R. Williams, Joe T. Hill 2003-09-16
6488489 Method of aligning scroll compressor components John R. Williams, Joe T. Hill, Tracy L. Milliff, Michael R. Young 2002-12-03
6287089 Scroll compressor with heat shield John R. Williams, Tracy L. Milliff, Joe T. Hill, Todd W. Dewar 2001-09-11
6264452 Reinforcement pin for check valve Zili Sun 2001-07-24
6247907 Thin counterweight for sealed compressor John R. Williams, Tracy L. Milliff, Thomas R. Barito 2001-06-19
6247909 Bearing assembly for sealed compressor John R. Williams, Tracy L. Milliff, Joe T. Hill, Michael R. Young 2001-06-19
6227830 Check valve mounted adjacent scroll compressor outlet Joe T. Hill, John R. Williams, Tracy L. Milliff, Michael R. Young 2001-05-08
6203299 Capacity modulation for scroll compressors John R. Williams, Joe T. Hill, Tracy L. Milliff, Terry L. Lyons 2001-03-20
6132191 Check valve for scroll compressor Jason Hugenroth, Dennis J. Janda 2000-10-17
6113371 Scroll-type machine with compact Oldham coupling John R. Williams, Joe T. Hill 2000-09-05
6077057 Scroll compressor with back pressure seal protection during reverse rotation Jason Hugenroth, John R. Williams, Thomas R. Barito 2000-06-20
6056524 Scroll compressor assembly John R. Williams, Joe T. Hill 2000-05-02