Inventor · Erie, PA, US

Herbert J. Brown

10Patents
8h-index
15Co-inventors
69Inventor score

Filing activity: Sep 30, 1982 → Jul 17, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5331261A Regenerative braking protection for an electrically-propelled traction vehicle Performing Operations; Transporting 29 Expired
US5483436A Gate drive power supply operable from a source of unregulated DC electric power Emerging Cross-Sectional Technologies 28 Expired
US4791341A Speed reducing control system for a polyphase electric motor Emerging Cross-Sectional Technologies 23 Expired
US4524316A Speed reducing control system with voltage regulation for a polyphase electric motor Emerging Cross-Sectional Technologies 22 Expired
US4471421A Means for controlling a forced commutated hybrid a-c to d-c electric rectifying bridge to avoid reverse recovery overvoltage in the diode leg Electricity 19 Expired
US5245495A Automatic flashover protection for locomotive traction motors Emerging Cross-Sectional Technologies 18 Expired
US5262691A Gate turnoff thyristor control circuit with shorted gate detection Electricity 13 Expired
US5168416A Automatic flashover protection for locomotive traction motors Emerging Cross-Sectional Technologies 13 Expired
US4467408A Means for controlling a forced commutated ac-to-dc electric rectifying circuit to avoid commutation failure Electricity 8 Expired
US7701077B2 Secondary power for critical loads for railroad Emerging Cross-Sectional Technologies 2 Active

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