Kramer Trenton Co
Kramer TreActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2669099A | Evaporator construction for heat exchange systems | Expired / Lapsed | 1950-12-29 | 1954-02-16 | 0 | Details |
| US2637983A | Refrigerating apparatus with hot gas defrosting means | Expired / Lapsed | 1950-08-22 | 1953-05-12 | 0 | Details |
| US2621051A | Valve control for the head pressure in refrigerating systems | Expired / Lapsed | 1948-11-13 | 1952-12-09 | 0 | Details |
| US2584442A | Evaporating unit for heat exchange apparatus | Expired / Lapsed | 1947-11-13 | 1952-02-05 | 0 | Details |
| US2463027A | Refrigeration apparatus arranged for periodic defrosting | Expired / Lapsed | 1945-03-09 | 1949-03-01 | 0 | Details |