Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3572981A | Hermetically sealed pump | Greenlee Brothers and Co | Expired / Lapsed | 1969-07-01 | 1971-03-30 | 1989-07-01 | 0.0 yrs | 6 | |
| US2952247A | Manually operable reversing valve | Greenlee Brothers and Co | Expired / Lapsed | 1957-10-07 | 1960-09-13 | 1977-10-07 | 0.0 yrs | 0 |