Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2685115A | Apparatus for the production of pipe | Crane Co | Expired / Lapsed | 1950-09-20 | 1954-08-03 | 1970-09-20 | 0.0 yrs | 0 | |
| US2520092A | Valve | Crane Co | Expired / Lapsed | 1944-05-15 | 1950-08-22 | 1964-05-15 | 0.0 yrs | 0 | |
| US2320700A | Backup ring or sleeve for welding | Crane Co | Expired / Lapsed | 1940-11-28 | 1943-06-01 | 1960-11-28 | 0.0 yrs | 0 | |
| US2278721A | Fluid seal for pressure vessels | Crane Co | Expired / Lapsed | 1941-01-16 | 1942-04-07 | 1961-01-16 | 0.0 yrs | 0 | |
| US1255562A | Pipe-fitting. | Crane Co | Expired / Lapsed | 1917-08-21 | 1918-02-05 | 1937-08-21 | 0.0 yrs | 0 |