Inventor
Leo Francis Casey
Inventor
San Francisco, CA, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
H02JElectric power networks10%
F03DWind motors8%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%
H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules5%
Y02TClimate change mitigation technologies related to transportation5%
B64DEquipment for fitting in or to aircraft4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
PatentTitleYear
11,085,972Ground fault detection in ungrounded power systems202111,016,132Non-contact detection of electrical energy202110,972,649Infrared and visible imaging system for device identification and tracking202110,422,320Power management for an airborne wind turbine201910,090,786Control methods and systems for motors and generators operating in a stacked configuration201810,008,973Voltage conversion for an airborne wind turbine20189,948,098Fault tolerance control strategies for multi-kite power generation system20189,899,127'Tethers for airborne wind turbines'20189,853,455Battery for fault handling in bidirectional power conversion systems20179,838,081Low-power wide-band communication links in high-voltage transmission lines20179,729,101'Deployment techniques of a floating photovoltaic power generation system'20179,653,909'Fault handling for motor controllers'20179,567,979'High frequency bi-directional AC power transmisssion'20179,502,895'Photovoltaic DC/DC micro-converter'20169,325,224'Electrically-isolated and liquid-cooled rotor and stator assemblies'20169,318,947'Automatic AC bus voltage regulation for power distribution grids'20169,294,017'Control methods and systems for motors and generators operating in a stacked configuration'20169,294,016'Control methods and systems for motors and generators operating in a stacked configuration'20169,151,272'High frequency bi-directional AC power transmission'20159,048,353'Photovoltaic DC/DC micro-converter'20158,680,720'Automatic AC bus voltage regulation for power distribution grids'20148,106,537'Photovoltaic DC/DC micro-converter'20127,786,486'Double-sided package for power module'20107,545,132'Sensor-less, low frequency adaptive current limiter and methods for limiting inductive current using the same'20095,774,542'Snap-in cover for a payphone number plate'19985,150,018'Gas discharge lamp with grid and control circuits therefor'19924,987,372'Potentiometer state sensing circuit'19914,788,634'Resonant forward converter'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Based in Briarcliff Manor, NY, US· patent location history
1992Based in Watertown, MA, US· patent location history
1998–2016Based in Lexington, MA, US· patent location history
2009–2012Patents assigned to SATCON TECHNOLOGY CORP (3)· patent assignee history
2012–2015Patents assigned to CASEY LEO FRANCIS (2)· patent assignee history
2014–2016Patents assigned to PERFECT GALAXY INTERNAT LTD (3)· patent assignee history
2015–2017Patents assigned to GOOGLE INC (5)· patent assignee history
2015–2021Based in San Francisco, CA, US· patent location history
2017–2021Patents assigned to X DEV LLC (12)· patent assignee history
2017–2018Based in Mountain View, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| X DEV LLC | 12 | 2017–2021 |
| GOOGLE INC | 5 | 2015–2017 |
| PERFECT GALAXY INTERNAT LTD | 3 | 2014–2016 |
| SATCON TECHNOLOGY CORP | 3 | 2009–2012 |
| CASEY LEO FRANCISself | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Francisco, California, US | 15 | 2015–2021 |
| Lexington, Massachusetts, US | 8 | 1998–2016 |
| Mountain View, California, US | 2 | 2017–2018 |
| Watertown, Massachusetts, US | 1 | 1992 |
| Briarcliff Manor, New York, US | 1 | 1991 |