Niagara Blower Co
Niagara BlActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2454883A | Apparatus for cooling compressed gases | Expired / Lapsed | 1943-12-22 | 1948-11-30 | 0 | Details |
| US2310222A | Unit air conditioner | Expired / Lapsed | 1940-08-02 | 1943-02-09 | 0 | Details |
| US2213421A | Evaporative cooling system | Expired / Lapsed | 1937-06-16 | 1940-09-03 | 0 | Details |
| US2207714A | Air conditioning apparatus | Expired / Lapsed | 1936-02-19 | 1940-07-16 | 0 | Details |
| US1949735A | Apparatus for ventilating and conditioning buildings | Expired / Lapsed | 1931-03-31 | 1934-03-06 | 0 | Details |
| US1770765A | Control for air conditioners | Expired / Lapsed | 1928-12-14 | 1930-07-15 | 0 | Details |