Republic Steel Corp
Republic SActive Patents
0
Total Holdings
29
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3504534A | Tracking assembly for ultrasonic transducers | Expired / Lapsed | 1967-11-09 | 1970-04-07 | 0 | Details |
| US3497799A | Coil apparatus and method for inducing eddy currents in a m… | Expired / Lapsed | 1965-06-10 | 1970-02-24 | 0 | Details |
| US3287963A | Sonic wave pulse echo apparatus and method for measuring fl… | Expired / Lapsed | 1963-04-08 | 1966-11-29 | 2 | Details |
| US3276499A | Flush-driven self-piercing and clinching nut and method of … | Expired / Lapsed | 1963-12-30 | 1966-10-04 | 2 | Details |
| US3274822A | Apparatus for ultrasonic testing | Expired / Lapsed | 1963-02-19 | 1966-09-27 | 2 | Details |
| US3019916A | Portable drum rack | Expired / Lapsed | 1958-05-09 | 1962-02-06 | 0 | Details |
| CA624719A | Portable electric metal seam depth tester | Expired / Lapsed | — | 1961-08-01 | 0 | Details |
| US2938227A | Hinge construction | Expired / Lapsed | 1957-08-28 | 1960-05-31 | 0 | Details |
| US2819447A | System for detecting conductive bodies | Expired / Lapsed | 1956-03-27 | 1958-01-07 | 0 | Details |
| US2799570A | Process of making parts by powder metallurgy and preparing … | Expired / Lapsed | 1956-04-10 | 1957-07-16 | 2 | Details |
| US2760923A | Process and apparatus for reverse current protection of ano… | Expired / Lapsed | 1952-08-29 | 1956-08-28 | 2 | Details |
| US2753464A | Method and apparatus for inspecting tinplate | Expired / Lapsed | 1950-08-11 | 1956-07-03 | 2 | Details |
| US2748066A | Process of enameling steel | Expired / Lapsed | 1951-09-20 | 1956-05-29 | 2 | Details |
| US2697936A | Supersonic testing of hot articles | Expired / Lapsed | 1948-04-02 | 1954-12-28 | 0 | Details |
| US2660704A | Seam depth indicator | Expired / Lapsed | 1949-12-14 | 1953-11-24 | 0 | Details |
| US2620432A | Induction heating | Expired / Lapsed | 1949-11-30 | 1952-12-02 | 0 | Details |
| US2602027A | Method of operating blast furnaces | Expired / Lapsed | 1947-05-06 | 1952-07-01 | 2 | Details |
| US2568582A | Pallet construction | Expired / Lapsed | 1947-01-09 | 1951-09-18 | 0 | Details |
| US2567525A | Apparatus for casting metals | Expired / Lapsed | 1945-11-02 | 1951-09-11 | 2 | Details |
| US2460687A | Induction heater | Expired / Lapsed | 1945-03-31 | 1949-02-01 | 0 | Details |
| US2455792A | Limiter circuit for electric testing apparatus | Expired / Lapsed | 1948-01-29 | 1948-12-07 | 0 | Details |
| US2444778A | Apparatus for welding tubing | Expired / Lapsed | 1947-05-13 | 1948-07-06 | 0 | Details |
| US2438742A | Ignitron welding control | Expired / Lapsed | 1945-08-09 | 1948-03-30 | 0 | Details |
| US2434203A | Method and apparatus for magnetic testing | Expired / Lapsed | 1943-09-22 | 1948-01-06 | 0 | Details |
| US2415789A | Nondestructive electrical testing of metals | Expired / Lapsed | 1942-06-13 | 1947-02-11 | 0 | Details |
| US2296635A | Ventilator | Expired / Lapsed | 1940-07-31 | 1942-09-22 | 0 | Details |
| US2111799A | Ground connection | Expired / Lapsed | 1936-11-05 | 1938-03-22 | 0 | Details |
| US2099340A | Process of enameling | Expired / Lapsed | 1934-06-28 | 1937-11-16 | 0 | Details |
| US2081872A | Culvert | Expired / Lapsed | 1937-02-19 | 1937-05-25 | 0 | Details |