Unifrax I LLC
Unifrax IActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3205465A | Thermistor assembly | Expired / Lapsed | 1960-09-26 | 1965-09-07 | 2 | Details |
| US2916460A | Silicon carbide resistance bodies and methods of making same | Expired / Lapsed | 1956-06-28 | 1959-12-08 | 1 | Details |
| US2614947A | Refractory articles and method of making | Expired / Lapsed | 1948-11-03 | 1952-10-21 | 1 | Details |
| US2468056A | Abrasive articles and method of manufacturing the same | Expired / Lapsed | 1944-10-24 | 1949-04-26 | 0 | Details |
| US2398890A | Reinforced abrasive article and method of making same | Expired / Lapsed | 1943-09-22 | 1946-04-23 | 0 | Details |
| US2369689A | Abrasive articles and methods of manufacturing the same | Expired / Lapsed | 1941-11-06 | 1945-02-20 | 0 | Details |
| US2350861A | Abrasive belt joint | Expired / Lapsed | 1942-09-24 | 1944-06-06 | 0 | Details |
| US2339500A | Flexible backed abrasive and method of making the same | Expired / Lapsed | 1942-02-13 | 1944-01-18 | 0 | Details |
| US2223063A | Abrasive article | Expired / Lapsed | 1939-09-01 | 1940-11-26 | 0 | Details |
| US2219853A | Production of abrasive material | Expired / Lapsed | 1935-12-31 | 1940-10-29 | 0 | Details |
| US2197655A | Article made from powdered mixes and its manufacture | Expired / Lapsed | 1936-07-28 | 1940-04-16 | 0 | Details |
| US2138882A | Abrasive | Expired / Lapsed | 1936-07-27 | 1938-12-06 | 0 | Details |
| US2090692A | Control of furnace temperature | Expired / Lapsed | 1934-12-28 | 1937-08-24 | 0 | Details |
| US2072508A | Rubber-resin dispersions | Expired / Lapsed | 1933-12-11 | 1937-03-02 | 0 | Details |
| US2061931A | Manufacture of abrasive articles | Expired / Lapsed | 1934-12-06 | 1936-11-24 | 0 | Details |
| US2033991A | Coating apparatus | Expired / Lapsed | 1935-07-09 | 1936-03-17 | 0 | Details |
| US1970835A | Abrasive article and method of making the same | Expired / Lapsed | 1931-01-31 | 1934-08-21 | 0 | Details |
| US1708571A | Rectifying element | Expired / Lapsed | 1925-02-21 | 1929-04-09 | 0 | Details |
| US1708572A | Detector | Expired / Lapsed | 1925-02-21 | 1929-04-09 | 0 | Details |