Harnischfeger Corp
HarnischfeActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3856102A | Electro-hydraulic steering system for vehicle having steera… | Expired / Lapsed | 1973-07-11 | 1974-12-24 | 7 | Details |
| US2638232A | Truck crane | Expired / Lapsed | 1946-04-08 | 1953-05-12 | 0 | Details |
| US2617913A | Low open circuit voltage alternating current welding circuit | Expired / Lapsed | 1950-09-30 | 1952-11-11 | 0 | Details |
| US2357514A | Hydraulic carriage feed | Expired / Lapsed | 1942-11-14 | 1944-09-05 | 0 | Details |
| US2332052A | Plywood wall construction | Expired / Lapsed | 1942-04-27 | 1943-10-19 | 0 | Details |
| US2028391A | Garage | Expired / Lapsed | 1927-12-31 | 1936-01-21 | 0 | Details |
| US1955959A | Garage | Expired / Lapsed | 1928-01-16 | 1934-04-24 | 0 | Details |
| US1875052A | Excavating machinery | Expired / Lapsed | 1931-01-12 | 1932-08-30 | 0 | Details |
| US1625855A | Power shovel | Expired / Lapsed | 1926-04-10 | 1927-04-26 | 0 | Details |