Inventor · Ludvika, SE

Ake Ekstrom

6Patents
4h-index
2Co-inventors
43Inventor score

Filing activity: Nov 21, 1974 → Nov 19, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US3968419A Direct current transmission and method of operating the same Emerging Cross-Sectional Technologies 14 Expired
US5187651A System for discharging electrical power from a high-voltage direct current line to local network Emerging Cross-Sectional Technologies 13 Expired
US3992659A High voltage direct current transmission Emerging Cross-Sectional Technologies 8 Expired
US4126892A Selective voltage and current control for high voltage D.C. transmission systems Emerging Cross-Sectional Technologies 4 Expired
US3962623A Direct current transmission with two parallel circuits Emerging Cross-Sectional Technologies 1 Expired
US4024454A Holding circuit for static convertor valves Electricity 0 Expired

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