Allis Chalmers Corp
Allis ChalActive Patents
0
Total Holdings
49
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3640276A | Apparatus for making intravenous or intra-arterial injectio… | Expired / Lapsed | 1970-01-09 | 1972-02-08 | 4 | Details |
| US3265933A | Control circuit for operating circuit interrupter at a zero… | Expired / Lapsed | 1963-10-24 | 1966-08-09 | 2 | Details |
| US3263767A | Vehicle wheel speed control mechanism | Expired / Lapsed | 1964-06-23 | 1966-08-02 | 2 | Details |
| US3214677A | Circuit for controlling transient voltages to prevent prema… | Expired / Lapsed | 1961-09-11 | 1965-10-26 | 2 | Details |
| US3067338A | Cascaded-transistor switch having diode thermal-runaway pro… | Expired / Lapsed | 1958-12-29 | 1962-12-04 | 0 | Details |
| US3058558A | Coupling mechanism | Expired / Lapsed | 1959-09-01 | 1962-10-16 | 0 | Details |
| US3021515A | Fault indicator | Expired / Lapsed | 1957-11-27 | 1962-02-13 | 0 | Details |
| US2928423A | Pressure relief and valve spool positioning mechanism | Expired / Lapsed | 1957-12-13 | 1960-03-15 | 0 | Details |
| US2874642A | Adjustable bypass valve | Expired / Lapsed | 1955-10-05 | 1959-02-24 | 0 | Details |
| US2762240A | Differential pinion mounting | Expired / Lapsed | 1954-09-28 | 1956-09-11 | 0 | Details |
| US2722654A | Regulating system utilizing a saturable reactor having nega… | Expired / Lapsed | 1950-12-11 | 1955-11-01 | 0 | Details |
| US2674125A | Speed-torque curve tracing device | Expired / Lapsed | 1951-07-14 | 1954-04-06 | 0 | Details |
| US2662130A | Dial switch with stationary blades having cutback edges | Expired / Lapsed | 1952-06-30 | 1953-12-08 | 0 | Details |
| US2659040A | Electric control system for dynamoelectric machines with re… | Expired / Lapsed | 1951-06-01 | 1953-11-10 | 0 | Details |
| US2629462A | Hydraulic shock absorber | Expired / Lapsed | 1948-05-06 | 1953-02-24 | 0 | Details |
| US2611307A | Control linkage for hydraulic draft regulation of vehicle p… | Expired / Lapsed | 1948-08-23 | 1952-09-23 | 0 | Details |
| US2604750A | Corn harvester | Expired / Lapsed | 1950-11-25 | 1952-07-29 | 0 | Details |
| US2605076A | Control valve for grain dividers | Expired / Lapsed | 1950-04-13 | 1952-07-29 | 0 | Details |
| US2603063A | Combustion turbine system | Expired / Lapsed | 1950-05-19 | 1952-07-15 | 0 | Details |
| US2587711A | Tractor seat | Expired / Lapsed | 1948-04-23 | 1952-03-04 | 0 | Details |
| US2551022A | Electric protective system with inrush current compensation | Expired / Lapsed | 1945-11-30 | 1951-05-01 | 0 | Details |
| US2469687A | Corn harvester husking roll with resilient section | Expired / Lapsed | 1945-04-07 | 1949-05-10 | 0 | Details |
| US2434321A | Method of welding | Expired / Lapsed | 1944-03-08 | 1948-01-13 | 0 | Details |
| US2424142A | Solar salt water distilling apparatus | Expired / Lapsed | 1943-12-01 | 1947-07-15 | 0 | Details |
| US2414814A | Bearing support | Expired / Lapsed | 1942-11-23 | 1947-01-28 | 0 | Details |
| US2411181A | Combustion turbine burner | Expired / Lapsed | 1943-04-10 | 1946-11-19 | 0 | Details |
| US2350125A | Blade and shroud structure | Expired / Lapsed | 1942-02-14 | 1944-05-30 | 0 | Details |
| US2339939A | Control system | Expired / Lapsed | 1940-07-03 | 1944-01-25 | 0 | Details |
| US2283121A | Light responsive control system | Expired / Lapsed | 1940-07-31 | 1942-05-12 | 0 | Details |
| US2283036A | Reel control | Expired / Lapsed | 1939-04-15 | 1942-05-12 | 0 | Details |
| US2265940A | Centrifugal pump | Expired / Lapsed | 1940-03-15 | 1941-12-09 | 0 | Details |
| US2262453A | Harvester-thresher | Expired / Lapsed | 1935-07-01 | 1941-11-11 | 0 | Details |
| US2241330A | Compressor control system | Expired / Lapsed | 1939-11-01 | 1941-05-06 | 0 | Details |
| US2240800A | Remote control system | Expired / Lapsed | 1939-06-10 | 1941-05-06 | 0 | Details |
| US2177109A | Voltage regulator | Expired / Lapsed | 1935-04-29 | 1939-10-24 | 0 | Details |
| US2174176A | Aural stroboscope | Expired / Lapsed | 1936-09-23 | 1939-09-26 | 0 | Details |
| US2124274A | Pilot valve | Expired / Lapsed | 1936-07-29 | 1938-07-19 | 0 | Details |
| US2094986A | Electric current responsive device | Expired / Lapsed | 1930-08-27 | 1937-10-05 | 0 | Details |
| US2060322A | Power transmission mechanism | Expired / Lapsed | 1934-03-29 | 1936-11-10 | 0 | Details |
| US1988296A | Pump valve control | Expired / Lapsed | 1932-11-05 | 1935-01-15 | 0 | Details |
| US1889514A | Switch | Expired / Lapsed | 1930-01-27 | 1932-11-29 | 0 | Details |
| US1574460A | Flow indicator | Expired / Lapsed | 1920-01-02 | 1926-02-23 | 0 | Details |
| US1505853A | Electrical governing apparatus | Expired / Lapsed | 1920-10-09 | 1924-08-19 | 0 | Details |
| US1476985A | Pump valve | Expired / Lapsed | 1919-11-01 | 1923-12-11 | 0 | Details |
| US1178772A | Electrical measuring instrument. | Expired / Lapsed | 1911-02-23 | 1916-04-11 | 0 | Details |
| US1111498A | Turbo-blower. | Expired / Lapsed | 1909-12-24 | 1914-09-22 | 0 | Details |
| US1044444A | Fluid-pressure regulator. | Expired / Lapsed | 1912-06-27 | 1912-11-12 | 0 | Details |
| US1039398A | Process of producing gas. | Expired / Lapsed | 1910-02-14 | 1912-09-24 | 0 | Details |
| US987698A | Multiple-voltage controller. | Expired / Lapsed | 1908-10-05 | 1911-03-28 | 0 | Details |