Inventor · Solna, SE

Gunnar Asplund

60Patents
11h-index
42Co-inventors
78Inventor score

Filing activity: May 16, 1978 → May 7, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5517378A Direct-current breaker for high power for connection into a direct-current carrying high-voltage line Electricity 243 Expired
US6519169B1 Multiphase inverter with series of connected phase legs Electricity 50 Expired
US5323330A Reduction of disturbances in a power network Emerging Cross-Sectional Technologies 47 Expired
US6898095B2 Bidirectional VSC converter with a resonant circuit Electricity 26 Expired
US8400796B2 Power converter with distributed cell control Emerging Cross-Sectional Technologies 24 Active
US5999388A Method and apparatus for limiting current in a direct voltage network of a power transmission system Emerging Cross-Sectional Technologies 19 Expired
US5644482A HVDC transmission system with multiple converter stations Emerging Cross-Sectional Technologies 19 Expired
US8289736B2 Conversion of AC lines to HVDC lines Emerging Cross-Sectional Technologies 14 Active
US6144567A Plant for transmitting electric power, including VSC-converter and DC/DC-converter Emerging Cross-Sectional Technologies 13 Expired
US6084787A Device for supervising in a high voltage converter station Electricity 12 Expired
US4377835A Recovery protection device for a thyristor valve Electricity 12 Expired
US4237509A Thyristor connection with overvoltage protection Electricity 10 Expired
US8044537B2 Modular HVDC converter Emerging Cross-Sectional Technologies 10 Active
US5872707A SVC converter with an extra phase leg to replace a failed phase leg Emerging Cross-Sectional Technologies 10 Expired
US8345457B2 Voltage source converter for high voltage direct current power transmission Emerging Cross-Sectional Technologies 10 Active
US5296764A Reduction of disturbances in a power network Emerging Cross-Sectional Technologies 8 Expired
US8410883B2 High voltage dry-type reactor for a voltage source converter Electricity 7 Active
US7321500B2 Electric power converter Emerging Cross-Sectional Technologies 6 Expired
US5644485A Converter connection with a balancing circuit Emerging Cross-Sectional Technologies 6 Expired
US6278314A Electric circuit Emerging Cross-Sectional Technologies 6 Expired
US6205039A Device for supervising a high voltage converter station Physics 5 Expired
US8875857B2 System adapted for one or more electrically propellable vehicles (a snow plough arrangement) Emerging Cross-Sectional Technologies 5 Active
US5117323A Electrode line protection Electricity 5 Expired
US9208979B2 High voltage DC breaker apparatus Emerging Cross-Sectional Technologies 4 Active
US9035486B2 System adapted for one or more electrically propellable vehicles (detector arrangement) Performing Operations; Transporting 4 Active

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