Hagan Corp
Hagan CorpActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2731024A | Pneumatic relays embodying a signal input pressure responsi… | Expired / Lapsed | 1953-07-30 | 1956-01-17 | 0 | Details |
| US2730618A | Thermo-couple electronic circuits provided with feed-back t… | Expired / Lapsed | 1954-10-25 | 1956-01-10 | 0 | Details |
| US2688253A | Pressure differential responsive device | Expired / Lapsed | 1950-10-30 | 1954-09-07 | 0 | Details |
| US2677385A | Regulating apparatus providing proportional band regulation… | Expired / Lapsed | 1950-04-26 | 1954-05-04 | 0 | Details |
| US2669129A | Multipressure totalizing device and adjustable fulcrum ther… | Expired / Lapsed | 1951-04-20 | 1954-02-16 | 0 | Details |
| US2577548A | Compensated specific gravity measuring device | Expired / Lapsed | 1948-07-27 | 1951-12-04 | 0 | Details |