Hoover Co
Hoover CoActive Patents
0
Total Holdings
34
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3218742A | Control means for a steam and spray iron | Expired / Lapsed | 1964-09-17 | 1965-11-23 | 1 | Details |
| US2963749A | Continuous method of and apparatus for making extensible an… | Expired / Lapsed | 1958-11-13 | 1960-12-13 | 0 | Details |
| US2961007A | Flexible hose | Expired / Lapsed | 1955-12-06 | 1960-11-22 | 0 | Details |
| US2832978A | Floor polishers | Expired / Lapsed | 1954-04-13 | 1958-05-06 | 0 | Details |
| US2807825A | Nozzle for suction cleaners | Expired / Lapsed | 1954-11-15 | 1957-10-01 | 0 | Details |
| US2807867A | Electric motors | Expired / Lapsed | 1951-06-22 | 1957-10-01 | 0 | Details |
| US2797730A | Method and apparatus for making an extensible flexible hose | Expired / Lapsed | 1955-12-06 | 1957-07-02 | 0 | Details |
| US2739616A | Flexible hose | Expired / Lapsed | 1954-10-04 | 1956-03-27 | 0 | Details |
| US2661025A | Flexible hose | Expired / Lapsed | 1948-04-03 | 1953-12-01 | 0 | Details |
| US2641302A | Method of making flexible hose for suction cleaners | Expired / Lapsed | 1950-05-19 | 1953-06-09 | 0 | Details |
| US2597806A | Suction cleaner hose | Expired / Lapsed | 1946-10-30 | 1952-05-20 | 0 | Details |
| US2594417A | Suction cleaner construction | Expired / Lapsed | 1948-12-15 | 1952-04-29 | 0 | Details |
| US2550099A | Flexible hose for suction cleaners | Expired / Lapsed | 1949-06-14 | 1951-04-24 | 0 | Details |
| US2463409A | Inert gas absorption refrigeration system, including a fan | Expired / Lapsed | 1942-07-09 | 1949-03-01 | 0 | Details |
| US2418371A | Suction cleaner | Expired / Lapsed | 1943-04-08 | 1947-04-01 | 0 | Details |
| US2409078A | Suction cleaner | Expired / Lapsed | 1943-10-13 | 1946-10-08 | 0 | Details |
| US2386505A | Refrigeration | Expired / Lapsed | 1942-07-09 | 1945-10-09 | 0 | Details |
| US2366562A | Refrigeration | Expired / Lapsed | 1943-08-09 | 1945-01-02 | 0 | Details |
| US2348861A | Suction cleaner | Expired / Lapsed | 1941-06-21 | 1944-05-16 | 0 | Details |
| US2342908A | Suction cleaner | Expired / Lapsed | 1941-12-15 | 1944-02-29 | 0 | Details |
| US2343227A | Suction cleaner | Expired / Lapsed | 1939-08-23 | 1944-02-29 | 0 | Details |
| US2340440A | Suction cleaner | Expired / Lapsed | 1941-03-29 | 1944-02-01 | 0 | Details |
| US2322921A | Suction cleaner | Expired / Lapsed | 1939-01-26 | 1943-06-29 | 0 | Details |
| US2320541A | Commutator for dynamoelectric machines | Expired / Lapsed | 1941-04-10 | 1943-06-01 | 0 | Details |
| US2303800A | Method of making agitator brushes | Expired / Lapsed | 1940-08-29 | 1942-12-01 | 0 | Details |
| US2297370A | Refrigeration | Expired / Lapsed | 1938-07-20 | 1942-09-29 | 0 | Details |
| US2291769A | Air conditioning apparatus | Expired / Lapsed | 1938-01-13 | 1942-08-04 | 0 | Details |
| US2283835A | Inlet valve for suction cleaner dirt bags | Expired / Lapsed | 1940-02-09 | 1942-05-19 | 0 | Details |
| US2257540A | Air conditioning system | Expired / Lapsed | 1936-06-25 | 1941-09-30 | 0 | Details |
| US2240540A | Refrigeration | Expired / Lapsed | 1939-03-25 | 1941-05-06 | 0 | Details |
| US2212679A | Dusting tool for suction cleaners | Expired / Lapsed | 1937-09-27 | 1940-08-27 | 0 | Details |
| US2114118A | Odor dispenser | Expired / Lapsed | 1934-08-06 | 1938-04-12 | 0 | Details |
| US2054612A | Electrical connecter | Expired / Lapsed | 1933-04-22 | 1936-09-15 | 0 | Details |
| US1818587A | Refrigeration | Expired / Lapsed | 1927-02-21 | 1931-08-11 | 0 | Details |