ABB Inc USA
ABB Inc USActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4601221A | Clamping device for rectangular workpiece | Expired / Lapsed | 1984-11-09 | 1986-07-22 | 8 | Details |
| US4427968A | Distribution network communication system with flexible mes… | Expired / Lapsed | 1981-04-09 | 1984-01-24 | 12 | Details |
| US4420841A | Optically coupled bidirectional transceiver | Expired / Lapsed | 1981-05-29 | 1983-12-13 | 12 | Details |
| US4250489A | Distribution network communication system having branch con… | Expired / Lapsed | 1978-10-31 | 1981-02-10 | 7 | Details |
| US4199743A | Encapsulated current transformer | Expired / Lapsed | 1978-02-06 | 1980-04-22 | 6 | Details |
| US4017766A | Inverse time-overcurrent relay using successive linear appr… | Expired / Lapsed | 1975-08-04 | 1977-04-12 | 20 | Details |
| US3970932A | Hot line detection system for high voltage switchgear | Expired / Lapsed | 1974-09-03 | 1976-07-20 | 5 | Details |
| US3913014A | Demand meter for on-peak maximum demand metering | Expired / Lapsed | 1974-06-13 | 1975-10-14 | 16 | Details |
| US3911415A | Distribution network power line carrier communication system | Expired / Lapsed | 1974-10-31 | 1975-10-07 | 21 | Details |
| US3855503A | Remotely monitored and controlled transformer | Expired / Lapsed | 1973-09-26 | 1974-12-17 | 11 | Details |
| US3744043A | Environmental data system | Expired / Lapsed | 1971-06-01 | 1973-07-03 | 24 | Details |
| US3197723A | Cascaded coaxial cable transformer | Expired / Lapsed | 1961-04-26 | 1965-07-27 | 2 | Details |
| US3110855A | Polarity sensitive fuse | Expired / Lapsed | 1960-07-28 | 1963-11-12 | 1 | Details |