Independent Pneumatic Tool Co
IndependenActive Patents
0
Total Holdings
23
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB550125A | Improvements in or relating to finder attachments for screw… | Expired / Lapsed | 1941-12-06 | — | 0 | Details |
| US2575525A | Power operated screw stick screw driver | Expired / Lapsed | 1948-03-27 | 1951-11-20 | 0 | Details |
| US2575524A | Rotary tool | Expired / Lapsed | 1946-10-10 | 1951-11-20 | 0 | Details |
| US2569244A | Portable power-driven tool | Expired / Lapsed | 1945-04-20 | 1951-09-25 | 0 | Details |
| US2536595A | Portable spin riveting tool | Expired / Lapsed | 1946-10-04 | 1951-01-02 | 0 | Details |
| US2504441A | Governor for portable tools | Expired / Lapsed | 1946-02-16 | 1950-04-18 | 0 | Details |
| US2425793A | Impact wrench | Expired / Lapsed | 1943-02-10 | 1947-08-19 | 0 | Details |
| US2403675A | Tool for installing tubular rivets | Expired / Lapsed | 1943-06-11 | 1946-07-09 | 0 | Details |
| US2396562A | Clip squeezing tool | Expired / Lapsed | 1944-01-10 | 1946-03-12 | 0 | Details |
| US2350631A | Portable hand-held electric tool | Expired / Lapsed | 1943-02-10 | 1944-06-06 | 0 | Details |
| US2272279A | Finder for screw driving tools | Expired / Lapsed | 1939-12-06 | 1942-02-10 | 0 | Details |
| US2233163A | Portable rotary reversible tool | Expired / Lapsed | 1939-12-04 | 1941-02-25 | 0 | Details |
| US2152977A | Automatic lock nut | Expired / Lapsed | 1936-08-01 | 1939-04-04 | 0 | Details |
| US2086261A | Hammer wrench | Expired / Lapsed | 1936-06-22 | 1937-07-06 | 0 | Details |
| US2078489A | Safety stop for balancers | Expired / Lapsed | 1936-01-02 | 1937-04-27 | 0 | Details |
| US1971498A | Counterbalance and loading and unloading device therefor | Expired / Lapsed | 1932-12-10 | 1934-08-28 | 0 | Details |
| US1969798A | Retainer for tools and the like | Expired / Lapsed | 1931-07-21 | 1934-08-14 | 0 | Details |
| US1917054A | Rotary motor | Expired / Lapsed | 1929-11-11 | 1933-07-04 | 0 | Details |
| US1888685A | Drill steel retainer | Expired / Lapsed | 1930-11-28 | 1932-11-22 | 0 | Details |
| US1881728A | Clutch device | Expired / Lapsed | 1929-10-28 | 1932-10-11 | 0 | Details |
| US1831813A | Attachment for drills | Expired / Lapsed | 1928-07-02 | 1931-11-17 | 0 | Details |
| US1757093A | Chisel-retainer lock | Expired / Lapsed | 1923-06-28 | 1930-05-06 | 0 | Details |
| US1706460A | Chisel retainer for chipping hammers | Expired / Lapsed | 1924-09-11 | 1929-03-26 | 0 | Details |