Delaware Capital Formation Inc
Delaware CActive Patents
0
Total Holdings
24
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5377216A | Sealing method and arrangement for turbine compressor and l… | Expired / Lapsed | 1993-06-04 | 1994-12-27 | 21 | Details |
| US5223689A | Profiles to insure proper heating function | Expired / Lapsed | 1991-04-29 | 1993-06-29 | 36 | Details |
| US5087256A | Thermal atherectomy device | Expired / Lapsed | 1990-10-05 | 1992-02-11 | 24 | Details |
| USRE33644E | Ferromagnetic element with temperature regulation | Expired / Lapsed | 1990-07-05 | 1991-07-23 | 42 | Details |
| US5020367A | Tank-level gauge | Expired / Lapsed | 1990-09-04 | 1991-06-04 | 12 | Details |
| US4950136A | Peristaltic pump | Expired / Lapsed | 1989-08-14 | 1990-08-21 | 21 | Details |
| US4924703A | Tank-level alarm control system | Expired / Lapsed | 1989-05-05 | 1990-05-15 | 8 | Details |
| US4839501A | Cartridge soldering iron | Expired / Lapsed | 1986-09-08 | 1989-06-13 | 19 | Details |
| US4814587A | High power self-regulating heater | Expired / Lapsed | 1986-06-10 | 1989-03-21 | 19 | Details |
| US4795886A | Temperature control in which the control parameter is the d… | Expired / Lapsed | 1986-12-19 | 1989-01-03 | 25 | Details |
| US4752864A | Constant voltage power supply | Expired / Lapsed | 1987-04-24 | 1988-06-21 | 12 | Details |
| US4745264A | High efficiency autoregulating heater | Expired / Lapsed | 1984-10-30 | 1988-05-17 | 46 | Details |
| US4701587A | Shielded heating element having intrinsic temperature contr… | Expired / Lapsed | 1981-03-16 | 1987-10-20 | 20 | Details |
| US4626767A | Constant current r.f. generator | Expired / Lapsed | 1984-12-21 | 1986-12-02 | 15 | Details |
| US3780415A | Dual in-line component socket insertion apparatus | Expired / Lapsed | 1972-03-20 | 1973-12-25 | 11 | Details |
| US3670784A | Wire wrapping tool | Expired / Lapsed | 1970-08-11 | 1972-06-20 | 16 | Details |
| US3584347A | Clipping device | Expired / Lapsed | 1970-05-27 | 1971-06-15 | 0 | Details |
| US3365945A | Apparatus for metering liquids | Expired / Lapsed | 1966-12-06 | 1968-01-30 | 0 | Details |
| US3333673A | Electrical component feeding apparatus | Expired / Lapsed | 1966-08-23 | 1967-08-01 | 2 | Details |
| US3195584A | Transistor handling apparatus | Expired / Lapsed | 1962-08-10 | 1965-07-20 | 2 | Details |
| US3033031A | Tilting pad type thrust bearings having integral means for … | Expired / Lapsed | 1959-07-27 | 1962-05-08 | 0 | Details |
| US2768703A | Methods of and means for separating hydrocarbon liquids and… | Expired / Lapsed | 1953-03-16 | 1956-10-30 | 0 | Details |
| US2765868A | Methods of and apparatus for removing liquid | Expired / Lapsed | — | 1956-10-09 | 1 | Details |
| US2567527A | Packing assembly | Expired / Lapsed | 1948-07-06 | 1951-09-11 | 0 | Details |