Unifrax I LLC
Unifrax IActive Patents
0
Total Holdings
62
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3884876A | Partially crosslinked linear aromatic polyesters | Expired / Lapsed | 1973-08-31 | 1975-05-20 | 14 | Details |
| US3587030A | Terminal clamp | Expired / Lapsed | 1969-03-17 | 1971-06-22 | 10 | Details |
| US3554384A | Display stand | Expired / Lapsed | 1968-05-21 | 1971-01-12 | 12 | Details |
| US3247000A | Refractory bodies and method of making same | Expired / Lapsed | 1961-10-16 | 1966-04-19 | 2 | Details |
| US3205465A | Thermistor assembly | Expired / Lapsed | 1960-09-26 | 1965-09-07 | 2 | Details |
| US3166614A | Process of making nuclear fuel element | Expired / Lapsed | 1959-11-30 | 1965-01-19 | 2 | Details |
| US2916460A | Silicon carbide resistance bodies and methods of making same | Expired / Lapsed | 1956-06-28 | 1959-12-08 | 1 | Details |
| US2873197A | Refractory fibrous material | Expired / Lapsed | 1955-01-21 | 1959-02-10 | 2 | Details |
| US2699036A | Ceramic lined, lightweight rocket motor structure and like … | Expired / Lapsed | 1950-12-09 | 1955-01-11 | 0 | Details |
| US2644280A | Sanding disk accessory | Expired / Lapsed | 1950-09-13 | 1953-07-07 | 0 | Details |
| US2614947A | Refractory articles and method of making | Expired / Lapsed | 1948-11-03 | 1952-10-21 | 1 | Details |
| US2540112A | Abrasive wheel | Expired / Lapsed | 1949-12-29 | 1951-02-06 | 2 | Details |
| US2532248A | Fibrous polishing device | Expired / Lapsed | 1948-06-11 | 1950-11-28 | 0 | Details |
| US2509652A | Method of manufacturing abrasive articles | Expired / Lapsed | 1947-07-15 | 1950-05-30 | 2 | Details |
| US2468056A | Abrasive articles and method of manufacturing the same | Expired / Lapsed | 1944-10-24 | 1949-04-26 | 0 | Details |
| US2438520A | Polymers of unsaturated oxysilicols | Expired / Lapsed | 1943-03-15 | 1948-03-30 | 0 | Details |
| US2431035A | Abrasive article and method of making | Expired / Lapsed | 1945-06-12 | 1947-11-18 | 0 | Details |
| US2404192A | Abrasive article and method of making | Expired / Lapsed | 1944-12-29 | 1946-07-16 | 0 | Details |
| US2398890A | Reinforced abrasive article and method of making same | Expired / Lapsed | 1943-09-22 | 1946-04-23 | 0 | Details |
| US2398408A | Abrasive article | Expired / Lapsed | 1943-08-25 | 1946-04-16 | 0 | Details |
| US2385873A | Method of forming web material | Expired / Lapsed | 1942-04-18 | 1945-10-02 | 0 | Details |
| US2385702A | Electrical resistor | Expired / Lapsed | 1942-09-24 | 1945-09-25 | 0 | Details |
| US2369689A | Abrasive articles and methods of manufacturing the same | Expired / Lapsed | 1941-11-06 | 1945-02-20 | 0 | Details |
| US2351716A | Coating composition and method of making | Expired / Lapsed | 1938-12-16 | 1944-06-20 | 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 |
| US2335902A | Abrasive article and manufacture | Expired / Lapsed | 1941-11-24 | 1943-12-07 | 0 | Details |
| US2286208A | Granular coated article and its manufacture | Expired / Lapsed | 1940-12-03 | 1942-06-16 | 0 | Details |
| US2284716A | Manufacture of abrasive articles | Expired / Lapsed | 1941-01-22 | 1942-06-02 | 0 | Details |
| US2233175A | Manufacture of abrasive coated articles | Expired / Lapsed | 1940-03-28 | 1941-02-25 | 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 |
| US2201196A | Manufacture of granular coated materials | Expired / Lapsed | 1939-06-27 | 1940-05-21 | 0 | Details |
| US2200258A | Boron carbide composition and method of making the same | Expired / Lapsed | 1938-05-09 | 1940-05-14 | 0 | Details |
| US2197655A | Article made from powdered mixes and its manufacture | Expired / Lapsed | 1936-07-28 | 1940-04-16 | 0 | Details |
| US2191827A | Apparatus for applying liquid to fabric | Expired / Lapsed | 1934-04-12 | 1940-02-27 | 0 | Details |
| US2138882A | Abrasive | Expired / Lapsed | 1936-07-27 | 1938-12-06 | 0 | Details |
| US2136931A | Method of making abrasive articles | Expired / Lapsed | 1937-09-11 | 1938-11-15 | 0 | Details |
| US2114229A | Abrasive article and method of manufacturing the same | Expired / Lapsed | 1935-04-11 | 1938-04-12 | 0 | Details |
| US2099879A | Apparatus for printing and drying | Expired / Lapsed | 1935-12-23 | 1937-11-23 | 0 | Details |
| US2090692A | Control of furnace temperature | Expired / Lapsed | 1934-12-28 | 1937-08-24 | 0 | Details |
| US2084534A | Abrasive article | Expired / Lapsed | 1933-09-28 | 1937-06-22 | 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 |
| US2015727A | Rotary bonded abrasive articles | Expired / Lapsed | 1933-12-01 | 1935-10-01 | 0 | Details |
| US1970835A | Abrasive article and method of making the same | Expired / Lapsed | 1931-01-31 | 1934-08-21 | 0 | Details |
| US1941328A | Method and apparatus for drying freshly printed webs | Expired / Lapsed | 1931-10-12 | 1933-12-26 | 0 | Details |
| US1788401A | Method and apparatus for controlling electric circuits | Expired / Lapsed | 1925-10-06 | 1931-01-13 | 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 |
| US1708573A | Receiving system for high-frequency electrical oscillations | Expired / Lapsed | 1925-02-21 | 1929-04-09 | 0 | Details |
| US1576440A | Filtering medium | Expired / Lapsed | 1924-11-13 | 1926-03-09 | 0 | Details |
| US1567772A | Antislip surface and method of making the same | Expired / Lapsed | 1922-05-23 | 1925-12-29 | 0 | Details |
| US1414447A | Abrasive coated sheet and method of making the same | Expired / Lapsed | 1920-05-20 | 1922-05-02 | 0 | Details |
| US1283362A | Apparatus for testing hardness. | Expired / Lapsed | 1915-05-07 | 1918-10-29 | 0 | Details |
| US1161620A | Crystalline fused alumina and method of making the same. | Expired / Lapsed | 1915-02-24 | 1915-11-23 | 0 | Details |
| US1037713A | Method of making silicon articles. | Expired / Lapsed | 1911-06-26 | 1912-09-03 | 0 | Details |
| US992698A | Method for the production of dense compacted silicon carbid. | Expired / Lapsed | 1910-07-28 | 1911-05-16 | 0 | Details |
| US913324A | Manufacture of silicon carbid. | Expired / Lapsed | 1907-02-13 | 1909-02-23 | 0 | Details |
| US906173A | Method of treating aluminum silicate. | Expired / Lapsed | 1908-03-17 | 1908-12-08 | 0 | Details |
| US906339A | Composition of matter containing alumina and silica. | Expired / Lapsed | 1908-03-17 | 1908-12-08 | 0 | Details |