Oxweld Acetylene Co
Oxweld AceActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2282397A | Method of and apparatus for treating defective surfaces of … | Expired / Lapsed | 1939-03-03 | 1942-05-12 | 0 | Details |
| US2279338A | Shape-cutting machine | Expired / Lapsed | 1937-08-26 | 1942-04-14 | 0 | Details |
| US2270304A | Gas regulation and pressure control apparatus | Expired / Lapsed | 1938-12-17 | 1942-01-20 | 0 | Details |
| US2258023A | Flowmeter | Expired / Lapsed | 1939-11-01 | 1941-10-07 | 0 | Details |
| US2228625A | Speed control mechanism | Expired / Lapsed | 1939-02-25 | 1941-01-14 | 0 | Details |
| US2223415A | Gas pressure booster system | Expired / Lapsed | 1939-02-09 | 1940-12-03 | 0 | Details |
| US2217194A | Method for making blowpipe nozzles | Expired / Lapsed | 1937-10-09 | 1940-10-08 | 0 | Details |
| US2215577A | Deseaming and desurfacing process | Expired / Lapsed | 1939-01-14 | 1940-09-24 | 0 | Details |
| US2197979A | Blowpipe | Expired / Lapsed | 1938-08-30 | 1940-04-23 | 0 | Details |
| US2161544A | Fluid pressure regulator | Expired / Lapsed | 1936-02-06 | 1939-06-06 | 0 | Details |
| US1753529A | Acetylene generator | Expired / Lapsed | 1923-08-30 | 1930-04-08 | 0 | Details |
| US1658927A | Metal-working machine | Expired / Lapsed | 1924-04-11 | 1928-02-14 | 0 | Details |