Landis and Gyr Metering Inc
Landis andActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3457494A | Voltage regulation with correction speed proportional to er… | Expired / Lapsed | 1966-07-05 | 1969-07-22 | 0 | Details |
| US3311824A | Transient insensitive photoelectric impulse device for use … | Expired / Lapsed | 1963-09-06 | 1967-03-28 | 1 | Details |
| US2957133A | Automatic meter calibration | Expired / Lapsed | 1958-05-14 | 1960-10-18 | 0 | Details |
| US2900211A | Magnetic suspension with flexibility | Expired / Lapsed | 1954-07-06 | 1959-08-18 | 0 | Details |
| US2788488A | Method of phasing watthour meters and apparatus | Expired / Lapsed | 1955-06-06 | 1957-04-09 | 0 | Details |
| US2209969A | Adjustable damping assembly for watt-hour meters | Expired / Lapsed | 1938-01-05 | 1940-08-06 | 0 | Details |
| US1871170A | Electric current consumption system | Expired / Lapsed | 1930-06-11 | 1932-08-09 | 0 | Details |
| US1563084A | System for operating alternating-current motors from direct… | Expired / Lapsed | 1924-05-05 | 1925-11-24 | 0 | Details |
| US842829A | Process of making commutators. | Expired / Lapsed | 1905-01-23 | 1907-01-29 | 0 | Details |