Hanovia Chemical and Manufacturing Co
Hanovia ChActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2670439A | Apparatus for irradiating liquids | Expired / Lapsed | 1950-07-05 | 1954-02-23 | 0 | Details |
| US2659833A | Ultraviolet vapor electric discharge device | Expired / Lapsed | 1949-11-09 | 1953-11-17 | 0 | Details |
| US2490011A | Ultraviolet ray intensity meter | Expired / Lapsed | 1947-06-11 | 1949-12-06 | 0 | Details |
| US2261215A | Ultraviolet irradiator | Expired / Lapsed | 1940-05-09 | 1941-11-04 | 0 | Details |
| US2114163A | Intensity meter for ultraviolet rays | Expired / Lapsed | 1936-05-23 | 1938-04-12 | 0 | Details |
| US2051395A | Apparatus for irradiating liquids | Expired / Lapsed | 1934-12-27 | 1936-08-18 | 0 | Details |
| US1939413A | Combination irrigation and ultraviolet irradiation tube | Expired / Lapsed | 1932-11-29 | 1933-12-12 | 0 | Details |