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Cutler Hammer Manufacturing Co

Cutler Ham
Active Patents
0
Total Holdings
22

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1700852A Method of and apparatus for ascertaining the proportion of … Expired / Lapsed 1923-09-26 1929-02-05 0 Details
US1698820A Current tap for installation on electric-supply cords Expired / Lapsed 1921-03-05 1929-01-15 0 Details
US1661740A Apparatus for effecting energization control of an electric… Expired / Lapsed 1921-08-13 1928-03-06 0 Details
US1658254A Electrothermally-responsive device Expired / Lapsed 1920-08-16 1928-02-07 0 Details
US1633786A Controller for power-driven pumps Expired / Lapsed 1924-10-22 1927-06-28 0 Details
US1614702A Fluid meter Expired / Lapsed 1918-03-01 1927-01-18 0 Details
US1485865A Control and regulation of energy-conversion machine Expired / Lapsed 1920-02-12 1924-03-04 0 Details
US1474944A Distant indicating means Expired / Lapsed 1919-06-30 1923-11-20 0 Details
US1439123A Method of making electrical resistance units and the like Expired / Lapsed 1920-10-27 1922-12-19 0 Details
US1437626A Method of and apparatus for controlling the flow of fluids Expired / Lapsed 1917-10-25 1922-12-05 0 Details
US1435979A Electrical controller Expired / Lapsed 1920-01-28 1922-11-21 0 Details
US1410702A Controlling and regulating apparatus and system Expired / Lapsed 1920-03-08 1922-03-28 0 Details
US1383432A Solenoid-operated valve and the like Expired / Lapsed 1916-10-23 1921-07-05 0 Details
US1376453A Controlling and regulating apparatus for alternating-curren… Expired / Lapsed 1918-01-21 1921-05-03 0 Details
US1340575A Electroionic valve Expired / Lapsed 1917-09-04 1920-05-18 0 Details
US1265328A Device for taking up and paying out slack. Expired / Lapsed 1914-04-23 1918-05-07 0 Details
US1254812A Electric-switch casing. Expired / Lapsed 1917-06-25 1918-01-29 0 Details
US1163688A Controlling device. Expired / Lapsed 1914-10-12 1915-12-14 0 Details
US1142852A Electromagnet and solenoid. Expired / Lapsed 1913-10-10 1915-06-15 0 Details
US1121786A Motor-controller. Expired / Lapsed 1909-06-01 1914-12-22 0 Details
US1067702A Terminal lug. Expired / Lapsed 1910-06-29 1913-07-15 0 Details
US761204A Method of making electrical heating apparatus. Expired / Lapsed 1902-11-20 1904-05-31 0 Details