Patent Explorer
Browse, filter, and analyze 14 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3659719A | Filter frame construction | American Air Filter Co Inc | Expired / Lapsed | 1970-12-07 | 1972-05-02 | 1990-12-07 | 0.0 yrs | 5 | |
| US3402654A | Ventilation control | American Air Filter Co Inc | Expired / Lapsed | 1966-05-04 | 1968-09-24 | 1986-05-04 | 0.0 yrs | 0 | |
| US3252691A | Gas cleaning apparatus | American Air Filter Co Inc | Expired / Lapsed | 1962-03-30 | 1966-05-24 | 1982-03-30 | 0.0 yrs | 2 | |
| US3243943A | Unit filter construction | American Air Filter Co Inc | Expired / Lapsed | 1964-06-15 | 1966-04-05 | 1984-06-15 | 0.0 yrs | 0 | |
| US3244442A | Panel latching arrangement | American Air Filter Co Inc | Expired / Lapsed | 1963-10-21 | 1966-04-05 | 1983-10-21 | 0.0 yrs | 1 | |
| US3072513A | Filamentous mat and method for making same | American Air Filter Co Inc | Expired / Lapsed | 1960-03-30 | 1963-01-08 | 1980-03-30 | 0.0 yrs | 2 | |
| US2979265A | Room ventilating method and apparatus | American Air Filter Co Inc | Expired / Lapsed | 1956-12-31 | 1961-04-11 | 1976-12-31 | 0.0 yrs | 0 | |
| US2857017A | Corrugated web filter | American Air Filter Co Inc | Expired / Lapsed | 1955-11-14 | 1958-10-21 | 1975-11-14 | 0.0 yrs | 0 | |
| US2798531A | Condensed filamentous mat and method and apparatus for making same | American Air Filter Co Inc | Expired / Lapsed | 1953-01-06 | 1957-07-09 | 1973-01-06 | 0.0 yrs | 0 | |
| US2062649A | Auxiliary air filter frame | American Air Filter Co Inc | Expired / Lapsed | 1934-06-29 | 1936-12-01 | 1954-06-29 | 0.0 yrs | 0 | |
| US1895618A | Air filter device | American Air Filter Co Inc | Expired / Lapsed | 1927-10-12 | 1933-01-31 | 1947-10-12 | 0.0 yrs | 0 | |
| US1821202A | Renewable capsule filter | American Air Filter Co Inc | Expired / Lapsed | 1927-08-10 | 1931-09-01 | 1947-08-10 | 0.0 yrs | 0 | |
| US1816836A | Process for cleaning and coating air filters | American Air Filter Co Inc | Expired / Lapsed | 1927-04-21 | 1931-08-04 | 1947-04-21 | 0.0 yrs | 0 | |
| US1807950A | Cleansing system and device for air filters | American Air Filter Co Inc | Expired / Lapsed | 1929-06-13 | 1931-06-02 | 1949-06-13 | 0.0 yrs | 0 |