Inventor · Derby, GB

David Reginald Trainer

82Patents
12h-index
75Co-inventors
87Inventor score

Filing activity: Aug 18, 1982 → May 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5532575A Multilevel converter with capacitor voltage balancing Emerging Cross-Sectional Technologies 46 Expired
US8867244B2 HVDC converter including fullbridge cells for handling a DC side short circuit Emerging Cross-Sectional Technologies 34 Active
US9130458B2 Static VAR compensator with multilevel converter Emerging Cross-Sectional Technologies 27 Active
US8424280B2 Gas turbine engine arrangement Emerging Cross-Sectional Technologies 24 Active
US7148661B2 Multi-pulse converter circuits Emerging Cross-Sectional Technologies 17 Expired
US4485666A Gas analyzer Emerging Cross-Sectional Technologies 17 Expired
US8599591B2 Converter Electricity 17 Active
US8861231B2 Converter Emerging Cross-Sectional Technologies 15 Active
US9065299B2 Converter for HVDC transmission and reactive power compensation Emerging Cross-Sectional Technologies 14 Active
US8934268B2 Power electronic converter for use in high voltage direct current power transmission Emerging Cross-Sectional Technologies 14 Active
US8854843B2 HVDC converter with neutral-point connected zero-sequence dump resistor Emerging Cross-Sectional Technologies 14 Active
US8867242B2 Hybrid 2-level and multilevel HVDC converter Emerging Cross-Sectional Technologies 13 Active
US8861234B2 Voltage source converter having chain link converter for use in high voltage DC transmission Electricity 11 Active
US8698444B2 Aircraft electrical actuator arrangement Emerging Cross-Sectional Technologies 10 Active
US9954358B2 Control circuit Emerging Cross-Sectional Technologies 7 Active
US8848401B2 Modular multilevel power electronic converter having selectively definable circulation path Electricity 6 Active
US9853512B2 Stator winding arrangement for an electrical machine having series connected short and long windings Emerging Cross-Sectional Technologies 5 Active
US7573243B2 Generator control arrangement Electricity 5 Active
US10560014B2 Fault protection for voltage source converters Emerging Cross-Sectional Technologies 4 Active
US8879291B2 Multilevel voltage source converter Emerging Cross-Sectional Technologies 4 Active
US8837176B2 Converter with reactive power compensation Emerging Cross-Sectional Technologies 4 Active
US8395346B2 Synchronous electrical machine Electricity 3 Active
US9209693B2 Control circuit for DC network to maintain zero net change in energy level Emerging Cross-Sectional Technologies 3 Active
US8653797B2 Synchronous electrical machine Electricity 3 Active
US7554301B2 Fault current limiting in an electrical power network Electricity 3 Active

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