Ajax Electrothermic Corp
Ajax ElectActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2289484A | Casting apparatus | Expired / Lapsed | 1942-03-13 | 1942-07-14 | 0 | Details |
| US2181899A | Transformer | Expired / Lapsed | 1939-01-26 | 1939-12-05 | 0 | Details |
| US2151035A | Transformer | Expired / Lapsed | 1937-12-11 | 1939-03-21 | 0 | Details |
| US2144377A | Induction heater | Expired / Lapsed | 1937-09-11 | 1939-01-17 | 0 | Details |
| US2073597A | Induction electric furnace | Expired / Lapsed | 1930-05-22 | 1937-03-09 | 0 | Details |
| US1997741A | Muffle inductor electric furnace | Expired / Lapsed | 1933-05-02 | 1935-04-16 | 0 | Details |
| US1961621A | Induction electric furnace | Expired / Lapsed | 1929-07-19 | 1934-06-05 | 0 | Details |
| US1931644A | Method and mechanism for removing reactances | Expired / Lapsed | 1929-02-26 | 1933-10-24 | 0 | Details |
| US1912214A | Induction electric furnace | Expired / Lapsed | 1929-09-03 | 1933-05-30 | 0 | Details |
| US1904665A | Magnetic return circuit | Expired / Lapsed | 1930-10-22 | 1933-04-18 | 0 | Details |
| US1900843A | Heater for rods and tubes | Expired / Lapsed | 1930-03-15 | 1933-03-07 | 0 | Details |
| US1900842A | Heater for rods and tubes | Expired / Lapsed | 1925-12-21 | 1933-03-07 | 0 | Details |
| US1824618A | Induction electric furnace | Expired / Lapsed | 1929-07-09 | 1931-09-22 | 0 | Details |
| US1378189A | Method and apparatus for melting oxids, &c., without contam… | Expired / Lapsed | 1919-07-30 | 1921-05-17 | 0 | Details |