Drying Systems Inc
Drying SysActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2431158A | Burner safety control | Expired / Lapsed | 1942-07-04 | 1947-11-18 | 0 | Details |
| US2360532A | Burner safety control | Expired / Lapsed | 1942-08-21 | 1944-10-17 | 0 | Details |
| US2304207A | Electronically controlled time delay system | Expired / Lapsed | 1940-01-12 | 1942-12-08 | 0 | Details |
| US2282551A | Burner safety control | Expired / Lapsed | 1938-12-12 | 1942-05-12 | 0 | Details |
| US2212352A | Multiple fuel burner system | Expired / Lapsed | 1938-08-08 | 1940-08-20 | 0 | Details |
| US1723097A | Conditioning-room construction | Expired / Lapsed | 1927-06-03 | 1929-08-06 | 0 | Details |
| US1431146A | Drying apparatus | Expired / Lapsed | 1919-06-06 | 1922-10-10 | 0 | Details |
| US1431145A | Drying apparatus | Expired / Lapsed | 1918-04-20 | 1922-10-10 | 0 | Details |