Inventor · Georgetown, TX, US

Thomas Keister

19Patents
11h-index
15Co-inventors
61Inventor score

Filing activity: Sep 24, 2008 → Dec 21, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7830681B2 Modular multi-pulse transformer rectifier for use in asymmetric multi-level power converter Electricity 55 Active
US8279640B2 Modular multi-pulse transformer rectifier for use in symmetric multi-level power converter Electricity 54 Active
US8130501B2 Pluggable power cell for an inverter Electricity 42 Active
US8223515B2 Pre-charging an inverter using an auxiliary winding Electricity 38 Active
US7940537B2 Partial regeneration in a multi-level power inverter Electricity 37 Active
US8976526B2 Providing a cooling system for a medium voltage drive system Electricity 34 Active
US8045346B2 Modular multi-pulse transformer rectifier for use in asymmetric multi-level power converter Electricity 31 Active
US9153374B2 Cooling arrangements for drive systems Electricity 24 Active
US7863766B2 Power converter for use with wind generator Emerging Cross-Sectional Technologies 16 Active
US8254076B2 Providing modular power conversion Electricity 15 Active
US9363930B2 Passive two phase cooling solution for low, medium and high voltage drive systems Mechanical Engineering; Lighting; Heating 12 Active
US8129853B2 Power converter for use with wind generator Emerging Cross-Sectional Technologies 10 Active
US9220179B2 Pluggable power cell for an inverter Electricity 6 Active
US8213198B2 Partial regeneration in a multi-level power inverter Electricity 6 Active
US8106526B2 Power converter for use with wind generator Emerging Cross-Sectional Technologies 4 Active
US8601190B2 Providing multiple communication protocols for a control system having a master controller and a slave controller Electricity 4 Active
US8711530B2 Pluggable power cell for an inverter Electricity 3 Active
US9722503B2 Modular configurable multi-megawatt power amplifier Electricity 2 Active
US9609777B2 Pluggable power cell for an inverter Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.