Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2543942A | Power-operated nail driver | KELLER TOOL CO | Expired / Lapsed | 1947-11-08 | 1951-03-06 | 1967-11-08 | 0.0 yrs | 0 | |
| US2464997A | Lubrication of rotary expansible chamber sliding vane tool motors | KELLER TOOL CO | Expired / Lapsed | 1944-01-08 | 1949-03-22 | 1964-01-08 | 0.0 yrs | 0 | |
| US2402212A | Operation controlling means for pressure fluid actuated tools | KELLER TOOL CO | Expired / Lapsed | 1942-08-12 | 1946-06-18 | 1962-08-12 | 0.0 yrs | 0 | |
| US2344740A | Hose coupling device | KELLER TOOL CO | Expired / Lapsed | 1942-08-01 | 1944-03-21 | 1962-08-01 | 0.0 yrs | 0 | |
| US646702A | Rotary motor. | KELLER TOOL CO | Expired / Lapsed | 1899-08-26 | 1900-04-03 | 1919-08-26 | 0.0 yrs | 0 |