Ohio Brass Co
Ohio BrassActive Patents
0
Total Holdings
40
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3322206A | Earth borer | Expired / Lapsed | 1964-10-09 | 1967-05-30 | 2 | Details |
| US3270124A | Electrical connector for suspension apparatus | Expired / Lapsed | 1965-01-04 | 1966-08-30 | 1 | Details |
| US3236316A | Earth boring apparatus | Expired / Lapsed | 1963-02-06 | 1966-02-22 | 1 | Details |
| US3005868A | Stress distribution in terminating devices and joints for h… | Expired / Lapsed | 1958-06-02 | 1961-10-24 | 0 | Details |
| US2783673A | Expander nut having three surfaces of different inclination | Expired / Lapsed | 1953-03-30 | 1957-03-05 | 0 | Details |
| US2722667A | Cable connectors | Expired / Lapsed | 1951-11-15 | 1955-11-01 | 0 | Details |
| US2623197A | Spark gap device | Expired / Lapsed | 1951-01-22 | 1952-12-23 | 0 | Details |
| US2443435A | Insulator | Expired / Lapsed | 1945-06-23 | 1948-06-15 | 0 | Details |
| US2291793A | Electric connector | Expired / Lapsed | 1941-08-02 | 1942-08-04 | 0 | Details |
| US2284945A | Cable connector | Expired / Lapsed | 1940-05-25 | 1942-06-02 | 0 | Details |
| US2280032A | Bushing insulator | Expired / Lapsed | 1939-12-30 | 1942-04-14 | 0 | Details |
| US2155841A | Protective gap | Expired / Lapsed | 1937-10-16 | 1939-04-25 | 0 | Details |
| US2146073A | Electrical measuring apparatus | Expired / Lapsed | 1937-01-22 | 1939-02-07 | 0 | Details |
| US2135349A | Impregnation of materials | Expired / Lapsed | 1937-04-24 | 1938-11-01 | 0 | Details |
| US2103366A | Arcing gap | Expired / Lapsed | 1935-07-27 | 1937-12-28 | 0 | Details |
| US2095310A | Forming apparatus | Expired / Lapsed | 1936-05-23 | 1937-10-12 | 0 | Details |
| US2082055A | Bushing insulator | Expired / Lapsed | 1936-03-27 | 1937-06-01 | 0 | Details |
| US2045333A | Apparatus for bonding rails | Expired / Lapsed | 1934-06-27 | 1936-06-23 | 0 | Details |
| US1988121A | Protective means for delta connected transmission lines | Expired / Lapsed | 1933-08-11 | 1935-01-15 | 0 | Details |
| US1981716A | Insulation for electrical apparatus | Expired / Lapsed | 1931-03-05 | 1934-11-20 | 0 | Details |
| US1972590A | Means for controlling the electrostatic field for insulator… | Expired / Lapsed | 1933-09-14 | 1934-09-04 | 0 | Details |
| US1967616A | Insulator | Expired / Lapsed | 1932-06-20 | 1934-07-24 | 0 | Details |
| US1967652A | High voltage transmission line connection | Expired / Lapsed | 1929-02-18 | 1934-07-24 | 0 | Details |
| US1910227A | Magnetic core | Expired / Lapsed | 1931-01-03 | 1933-05-23 | 0 | Details |
| US1910226A | Bushing insulator | Expired / Lapsed | 1928-06-30 | 1933-05-23 | 0 | Details |
| US1786717A | Trolley silencer | Expired / Lapsed | 1929-03-07 | 1930-12-30 | 0 | Details |
| US1759971A | Apparatus for controlling breathing of oil-containing housi… | Expired / Lapsed | 1924-09-22 | 1930-05-27 | 0 | Details |
| US1756233A | Outlet for multiple-conductor cables | Expired / Lapsed | 1927-03-16 | 1930-04-29 | 0 | Details |
| US1740639A | Coating and heat treating | Expired / Lapsed | 1925-05-25 | 1929-12-24 | 0 | Details |
| US1728952A | Conductor terminal for bushings | Expired / Lapsed | 1922-07-29 | 1929-09-24 | 0 | Details |
| US1703674A | Valve | Expired / Lapsed | 1927-04-25 | 1929-02-26 | 0 | Details |
| US1691328A | Terminal for insulator bushings | Expired / Lapsed | 1922-08-03 | 1928-11-13 | 0 | Details |
| US1664100A | High-tension installation | Expired / Lapsed | 1921-10-20 | 1928-03-27 | 0 | Details |
| US1626777A | High-potential conductor | Expired / Lapsed | 1924-06-26 | 1927-05-03 | 0 | Details |
| US1482833A | Electric coupler | Expired / Lapsed | 1919-06-07 | 1924-02-05 | 0 | Details |
| US1353557A | Multiple electric air and car coupling | Expired / Lapsed | 1917-07-07 | 1920-09-21 | 0 | Details |
| US1286381A | Connecting stud and bond terminal. | Expired / Lapsed | 1917-06-14 | 1918-12-03 | 0 | Details |
| US1277370A | Method of applying rail-bonds to rails. | Expired / Lapsed | 1917-07-14 | 1918-09-03 | 0 | Details |
| US1237857A | Electric coupling. | Expired / Lapsed | 1916-03-16 | 1917-08-21 | 0 | Details |
| US1142394A | Lock-hanger for trolley-wires. | Expired / Lapsed | 1911-07-22 | 1915-06-08 | 0 | Details |