Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2627910A | Grid port structure for gas burners | Geo D Roper Corp | Expired / Lapsed | 1947-10-23 | 1953-02-10 | 1967-10-23 | 0.0 yrs | 0 | |
| US2316565A | Rotary pump shaft bearing and seal | Geo D Roper Corp | Expired / Lapsed | 1940-04-15 | 1943-04-13 | 1960-04-15 | 0.0 yrs | 0 | |
| US2133708A | Pump unit | Geo D Roper Corp | Expired / Lapsed | 1936-06-08 | 1938-10-18 | 1956-06-08 | 0.0 yrs | 0 |