Patent Explorer
Browse, filter, and analyze 7 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3383163A | Treatment of surfaces | Arthur D Little Inc | Expired / Lapsed | 1964-01-24 | 1968-05-14 | 1984-01-24 | 0.0 yrs | 0 | |
| US3298320A | Atraumatic fluid pump | Arthur D Little Inc | Expired / Lapsed | 1965-05-17 | 1967-01-17 | 1985-05-17 | 0.0 yrs | 2 | |
| US3003911A | Fibrous aggregates and process and apparatus for making them | Arthur D Little Inc | Expired / Lapsed | 1958-04-07 | 1961-10-10 | 1978-04-07 | 0.0 yrs | 2 | |
| US2898893A | Impact tool | Arthur D Little Inc | Expired / Lapsed | 1958-04-11 | 1959-08-11 | 1978-04-11 | 0.0 yrs | 0 | |
| US2142100A | Production of sponge iron | Arthur D Little Inc | Expired / Lapsed | 1936-06-12 | 1939-01-03 | 1956-06-12 | 0.0 yrs | 0 | |
| US2131031A | Method of operating blast furnaces | Arthur D Little Inc | Expired / Lapsed | 1936-06-12 | 1938-09-27 | 1956-06-12 | 0.0 yrs | 0 | |
| US2122514A | Air filtering material | Arthur D Little Inc | Expired / Lapsed | 1934-04-10 | 1938-07-05 | 1954-04-10 | 0.0 yrs | 0 |