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Siemens Mobility Ltd

Siemens Mo
Active Patents
0
Total Holdings
15

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB1174245A Electrically Controlled Braking Apparatus Expired / Lapsed 1967-04-26 — 0 Details
GB768583A Improvements relating to foot valves for compressed air veh… Expired / Lapsed 1954-11-05 — 0 Details
GB596629A Improvements relating to alternating electric current recti… Expired / Lapsed 1945-07-31 — 0 Details
GB358083A Improvements relating to the control of current variations … Expired / Lapsed 1930-06-28 — 0 Details
US4768740A Vehicle tracking system Expired / Lapsed 1986-09-02 1988-09-06 13 Details
US3838272A Braking condition indicator for rapid transit trains Expired / Lapsed 1973-11-14 1974-09-24 14 Details
US3693054A Semiconductor having a transistor, a thyristor and a diode … Expired / Lapsed 1971-09-15 1972-09-19 7 Details
US3476989A Controlled rectifier semiconductor device Expired / Lapsed 1967-03-29 1969-11-04 0 Details
US3383658A Central to remote signalling system having counter controll… Expired / Lapsed 1964-03-09 1968-05-14 0 Details
US3264548A D. c. to a. c. inverter circuits Expired / Lapsed 1962-04-12 1966-08-02 2 Details
US3138781A Electronic drive circuits for remote control systems Expired / Lapsed 1961-12-20 1964-06-23 2 Details
US3122723A Remote control systems Expired / Lapsed 1959-05-25 1964-02-25 2 Details
US2832032A Apparatus for the regulation of the voltage across a load c… Expired / Lapsed 1954-03-03 1958-04-22 0 Details
US2753497A Crystal contact rectifiers Expired / Lapsed 1952-06-30 1956-07-03 2 Details
US2603689A Detection of voltage or current variations in electric circ… Expired / Lapsed 1949-04-16 1952-07-15 0 Details