Worthington Corp
WorthingtoActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1440821A | Centrifugal pump means from interchangeable modular compone… | Expired / Lapsed | 1973-05-25 | — | 0 | Details |
| US3304697A | Oil separator | Expired / Lapsed | 1964-05-21 | 1967-02-21 | 0 | Details |
| US3085808A | Mechanical seal with controlled leakage | Expired / Lapsed | 1960-05-17 | 1963-04-16 | 2 | Details |
| US2982224A | Rotary pump | Expired / Lapsed | 1958-09-26 | 1961-05-02 | 0 | Details |
| US2961964A | Control system for a boiler feed pump driven by a turbine | Expired / Lapsed | 1956-01-26 | 1960-11-29 | 0 | Details |
| US2955540A | Twin volute pump | Expired / Lapsed | 1957-05-27 | 1960-10-11 | 0 | Details |
| US2921533A | Hydrodynamic and hydrostatic bearing | Expired / Lapsed | 1956-03-30 | 1960-01-19 | 0 | Details |
| US2833462A | Variable capacity compressor | Expired / Lapsed | 1955-04-11 | 1958-05-06 | 0 | Details |
| US2831434A | Self-priming centrifugal pump | Expired / Lapsed | 1956-04-05 | 1958-04-22 | 0 | Details |
| US2801791A | Rotary compressor | Expired / Lapsed | 1953-07-14 | 1957-08-06 | 0 | Details |
| US2780406A | Rotary compressor | Expired / Lapsed | 1953-04-21 | 1957-02-05 | 0 | Details |
| US2709345A | Method and apparatus for defrosting refrigeration coils | Expired / Lapsed | 1951-10-04 | 1955-05-31 | 0 | Details |
| US2666395A | Rotary pump adapted to be supported and actuated by a power… | Expired / Lapsed | 1949-12-21 | 1954-01-19 | 0 | Details |
| US2606503A | Variable capacity rotary pump | Expired / Lapsed | 1946-01-11 | 1952-08-12 | 0 | Details |