BROWN
BROWNActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2950761A | Multiple string well packers | Expired / Lapsed | 1957-08-12 | 1960-08-30 | 0 | Details |
| US2595563A | Jar type well packer | Expired / Lapsed | 1947-09-02 | 1952-05-06 | 0 | Details |
| US2290091A | Heat control system | Expired / Lapsed | 1938-12-16 | 1942-07-14 | 0 | Details |
| US2265512A | Heat control system | Expired / Lapsed | 1938-10-13 | 1941-12-09 | 0 | Details |
| US2250946A | Heat and pressure control system | Expired / Lapsed | 1938-08-06 | 1941-07-29 | 0 | Details |
| US2234858A | Humidity control apparatus | Expired / Lapsed | 1938-12-16 | 1941-03-11 | 0 | Details |