Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leo Francis Casey — 37 Patents

XDX Development: 21 patents #18 of 653Top 3%
Google: 4 patents #6,467 of 22,993Top 30%
STSatcon Technology: 3 patents #13 of 65Top 20%
LCLutron Electronics Co.: 1 patents #316 of 433Top 75%
NPNorth American Philips: 1 patents #281 of 645Top 45%
MTMakani Technologies: 1 patents #9 of 24Top 40%
MIT: 1 patents #4,386 of 9,367Top 50%
San Francisco, CA: #773 of 26,999 inventorsTop 3%
California: #12,909 of 386,348 inventorsTop 4%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Leo Francis Casey has been granted 37 US patents while listed as an inventor at X Development. The first was granted in 1988 and the most recent in May 2025. Leo Francis Casey ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Leo Francis Casey in San Francisco, CA, US.

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12316109 Electrical power grid visualization Raymond Daly, Peter Evans, Amanda McNary, Page Furey Crahan, Elena Jordan Kohl +4 more 2025-05-27
12242775 Electrical power grid interconnections Xinyue Li, Page Furey Crahan, Raymond Daly, Peter Evans, Xing Chen +1 more 2025-03-04
12155930 Infrared and visible imaging system for monitoring equipment Peter Light, Joel Fraser Atwater, Crystal Elayna Winston, Mehrdad Roosta, Siyuan Xin +1 more 2024-11-26 $103,833,000
11902655 Infrared and visible imaging system for monitoring equipment Peter Light, Joel Fraser Atwater, Crystal Elayna Winston, Mehrdad Roosta, Siyuan Xin +1 more 2024-02-13 $89,356,000
11791701 Super-synchronous motor/generator Siyuan Xin 2023-10-17 $99,441,000
11595561 Infrared and visible imaging system Peter Light, Joel Fraser Atwater, Crystal Elayna Winston, Mehrdad Roosta, Siyuan Xin +1 more 2023-02-28 $65,971,000
11513166 Ground fault detection in ungrounded power systems Siyuan Xin 2022-11-29 $73,411,000
11500005 Non-contact detection of electrical energy Siyuan Xin, Peter Evans, Shuyu Wang, Raymond Daly, C. O. Lee Boyce, Jr. +1 more 2022-11-15 $93,392,000
11329537 Super-synchronous motor/generator Siyuan Xin 2022-05-10 $89,066,000
11085972 Ground fault detection in ungrounded power systems Siyuan Xin 2021-08-10 $70,483,000
11016132 Non-contact detection of electrical energy Siyuan Xin, Peter Evans, Shuyu Wang, Raymond Daly, C. O. Lee Boyce, Jr. +1 more 2021-05-25 $74,324,000
10972649 Infrared and visible imaging system for device identification and tracking Peter Light, Joel Fraser Atwater, Crystal Elayna Winston, Mehrdad Roosta, Siyuan Xin +1 more 2021-04-06 $85,884,000
10422320 Power management for an airborne wind turbine Geoffrey Dolan 2019-09-24
10090786 Control methods and systems for motors and generators operating in a stacked configuration Andrew David Goessling 2018-10-02 $25,538,000
10008973 Voltage conversion for an airborne wind turbine Geoffrey Dolan 2018-06-26 $26,317,000
9948098 Fault tolerance control strategies for multi-kite power generation system Geoff Dolan 2018-04-17 $21,575,000
9899127 Tethers for airborne wind turbines Elias Wolfgang Patten, Damon Vander Lind 2018-02-20 $28,845,000
9853455 Battery for fault handling in bidirectional power conversion systems Geoff Dolan 2017-12-26 $14,181,000
9838081 Low-power wide-band communication links in high-voltage transmission lines Kurt Hallamasek, Geoff Dolan, George E. Homsy, II, Elias Wolfgang Patten 2017-12-05 $16,818,000
9729101 Deployment techniques of a floating photovoltaic power generation system Philipp H. Schmaelzle, Dominico P. Julian, Mark Greise, Robert Baikie, Thomas Peter Hunt +5 more 2017-08-08 $14,885,000
9653909 Fault handling for motor controllers Greg Leyh, George E. Homsy, II 2017-05-16 $14,499,000
9567979 High frequency bi-directional AC power transmisssion Andrew David Goessling 2017-02-14 $11,566,000
9502895 Photovoltaic DC/DC micro-converter Joseph Taher Mossoba 2016-11-22
9325224 Electrically-isolated and liquid-cooled rotor and stator assemblies Damon Vander Lind, George E. Homsy, II 2016-04-26 $15,164,000
9318947 Automatic AC bus voltage regulation for power distribution grids Colin D. Schauder 2016-04-19