Wagner Electric Corp
Wagner EleActive Patents
0
Total Holdings
58
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3262014A | Equipment protection means | Expired / Lapsed | 1962-02-05 | 1966-07-19 | 2 | Details |
| US3044265A | Power hydraulic brake device and system | Expired / Lapsed | 1960-03-15 | 1962-07-17 | 0 | Details |
| US3032992A | Power hydraulic brake device | Expired / Lapsed | 1960-02-29 | 1962-05-08 | 0 | Details |
| US3011506A | Control valve | Expired / Lapsed | 1958-02-03 | 1961-12-05 | 0 | Details |
| US2931968A | Control for harmonic suppressor | Expired / Lapsed | 1957-09-30 | 1960-04-05 | 0 | Details |
| US2815970A | Multiple shaft seal | Expired / Lapsed | 1955-02-02 | 1957-12-10 | 0 | Details |
| US2696659A | Method of forming transformer coils | Expired / Lapsed | 1950-10-13 | 1954-12-14 | 0 | Details |
| US2687189A | Hydraulic power braking system | Expired / Lapsed | 1949-10-13 | 1954-08-24 | 0 | Details |
| US2683781A | Operator controlled switch for automotive vehicles | Expired / Lapsed | 1952-06-16 | 1954-07-13 | 0 | Details |
| US2656014A | Relay valve for tractor trailer brake systems | Expired / Lapsed | 1949-11-03 | 1953-10-20 | 0 | Details |
| US2599960A | Apparatus for testing dynamoelectric armatures | Expired / Lapsed | 1946-03-21 | 1952-06-10 | 0 | Details |
| US2578499A | Surge insulation tester | Expired / Lapsed | 1947-08-01 | 1951-12-11 | 0 | Details |
| US2486965A | Brake testing device | Expired / Lapsed | 1944-12-16 | 1949-11-01 | 0 | Details |
| US2472548A | Automatic tensioning device for reels | Expired / Lapsed | 1945-02-24 | 1949-06-07 | 0 | Details |
| US2424225A | Seal construction | Expired / Lapsed | 1944-01-07 | 1947-07-22 | 0 | Details |
| US2382263A | Braking system | Expired / Lapsed | 1943-02-20 | 1945-08-14 | 0 | Details |
| US2368043A | Fluid pressure system | Expired / Lapsed | 1942-05-23 | 1945-01-23 | 0 | Details |
| US2367194A | Fluid pressure actuating system | Expired / Lapsed | 1942-11-06 | 1945-01-16 | 0 | Details |
| US2361419A | Combined air and hydraulic pressure brake actuating system | Expired / Lapsed | 1942-09-30 | 1944-10-31 | 0 | Details |
| US2354791A | Two-way valve mechanism | Expired / Lapsed | 1943-02-05 | 1944-08-01 | 0 | Details |
| US2347186A | Slack adjuster | Expired / Lapsed | 1942-12-14 | 1944-04-25 | 0 | Details |
| US2343809A | Fluid pressure system | Expired / Lapsed | 1942-01-14 | 1944-03-07 | 0 | Details |
| US2336891A | Fluid pressure control system | Expired / Lapsed | 1942-01-14 | 1943-12-14 | 0 | Details |
| US2331238A | Booster assisted brake actuating system | Expired / Lapsed | 1942-03-19 | 1943-10-05 | 0 | Details |
| US2328684A | Braking system | Expired / Lapsed | 1942-02-19 | 1943-09-07 | 0 | Details |
| US2328637A | Brake actuating system | Expired / Lapsed | 1941-05-02 | 1943-09-07 | 0 | Details |
| US2324412A | Braking system for tractor vehicles | Expired / Lapsed | 1940-09-03 | 1943-07-13 | 0 | Details |
| US2322062A | Fluid trapping device | Expired / Lapsed | 1942-02-19 | 1943-06-15 | 0 | Details |
| US2315944A | Sealing means for pistons | Expired / Lapsed | 1940-03-29 | 1943-04-06 | 0 | Details |
| US2313271A | Packing cup retainer | Expired / Lapsed | 1939-12-16 | 1943-03-09 | 0 | Details |
| US2304560A | Brake control mechanism | Expired / Lapsed | 1941-06-19 | 1942-12-08 | 0 | Details |
| US2276057A | Split-phase motor | Expired / Lapsed | 1940-07-24 | 1942-03-10 | 0 | Details |
| US2275255A | Fluid pressure braking system | Expired / Lapsed | 1941-01-31 | 1942-03-03 | 0 | Details |
| US2272320A | Brake control mechanism | Expired / Lapsed | 1939-12-28 | 1942-02-10 | 0 | Details |
| US2251787A | Electrically operated brake control mechanism | Expired / Lapsed | 1939-12-30 | 1941-08-05 | 0 | Details |
| US2248747A | Interlocking mechanism | Expired / Lapsed | 1940-01-29 | 1941-07-08 | 0 | Details |
| US2242297A | Ratio changing means for fluidactuated brakes | Expired / Lapsed | 1939-09-02 | 1941-05-20 | 0 | Details |
| US2241188A | Auxiliary fluid supply means for fluid brakes | Expired / Lapsed | 1939-02-23 | 1941-05-06 | 0 | Details |
| US2234488A | Compressor unloading valve mechanism | Expired / Lapsed | 1939-11-08 | 1941-03-11 | 0 | Details |
| US2234470A | Valve mechanism for unloading compressors | Expired / Lapsed | 1939-11-08 | 1941-03-11 | 0 | Details |
| US2229057A | Fluid pressure apparatus | Expired / Lapsed | 1939-08-25 | 1941-01-21 | 0 | Details |
| US2218191A | Brake actuating mechanism | Expired / Lapsed | 1939-01-03 | 1940-10-15 | 0 | Details |
| US2197126A | Braking system | Expired / Lapsed | 1939-03-18 | 1940-04-16 | 0 | Details |
| US2173819A | Compressor shut-off valve | Expired / Lapsed | 1938-07-05 | 1939-09-26 | 0 | Details |
| US2161642A | Distributing valve | Expired / Lapsed | 1937-04-10 | 1939-06-06 | 0 | Details |
| US2156782A | Brake control mechanism | Expired / Lapsed | 1937-03-06 | 1939-05-02 | 0 | Details |
| US2140100A | Clutch | Expired / Lapsed | 1936-08-10 | 1938-12-13 | 0 | Details |
| US2104608A | Change speed transmission system | Expired / Lapsed | 1935-01-21 | 1938-01-04 | 0 | Details |
| US2076362A | Power transmission mechanism | Expired / Lapsed | 1935-10-24 | 1937-04-06 | 0 | Details |
| US2076363A | Packing cup | Expired / Lapsed | 1935-03-23 | 1937-04-06 | 0 | Details |
| US2054644A | Motor drive for toy trucks or the like | Expired / Lapsed | 1934-03-05 | 1936-09-15 | 0 | Details |
| US2030272A | Brake actuating mechanism | Expired / Lapsed | 1934-01-26 | 1936-02-11 | 0 | Details |
| US2017089A | Operating fluid for hydraulic transmission | Expired / Lapsed | 1934-07-16 | 1935-10-15 | 0 | Details |
| US1987100A | Coupling | Expired / Lapsed | 1931-07-02 | 1935-01-08 | 0 | Details |
| US1967684A | Electrical apparatus | Expired / Lapsed | 1932-03-16 | 1934-07-24 | 0 | Details |
| US1901088A | Method of making hose connections | Expired / Lapsed | 1930-10-06 | 1933-03-14 | 0 | Details |
| US1880565A | Alternating current motor | Expired / Lapsed | 1930-04-26 | 1932-10-04 | 0 | Details |
| US1870236A | Collector ring assembly and method of making same | Expired / Lapsed | 1929-11-22 | 1932-08-09 | 0 | Details |