Park Ohio Holdings Corp
Park OhioActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4093839A | Apparatus and method for inductively heating metallic tubin… | Expired / Lapsed | 1976-04-02 | 1978-06-06 | 12 | Details |
| US3926415A | Method and apparatus for carbonizing and degassing workpiec… | Expired / Lapsed | 1974-01-23 | 1975-12-16 | 18 | Details |
| US3717740A | Slab heating device | Expired / Lapsed | 1971-07-09 | 1973-02-20 | 13 | Details |
| US3506907A | Gating control of a resonant bridge inverter for induction … | Expired / Lapsed | 1967-10-04 | 1970-04-14 | 0 | Details |
| US3393348A | Overvoltage protector device for induction heating installa… | Expired / Lapsed | 1965-07-19 | 1968-07-16 | 0 | Details |
| US3092682A | Submerged resistor type induction furnaces and methods and … | Expired / Lapsed | 1960-03-24 | 1963-06-04 | 2 | Details |