Patent Explorer
Browse, filter, and analyze 8 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3553549A | Digital motor control circuit | Superior Electric Co | Expired / Lapsed | 1968-09-11 | 1971-01-05 | 1988-09-11 | 0.0 yrs | 0 | |
| US3525917A | Method and apparatus for producing digital contour movement for a plural axes stepping motor drive | Superior Electric Co | Expired / Lapsed | 1968-04-04 | 1970-08-25 | 1988-04-04 | 0.0 yrs | 0 | |
| US3441819A | Reciprocating linear motor | Superior Electric Co | Expired / Lapsed | 1966-04-18 | 1969-04-29 | 1986-04-18 | 0.0 yrs | 0 | |
| US3411058A | Acceleration deceleration control circuit for a stepping motor | Superior Electric Co | Expired / Lapsed | 1965-01-19 | 1968-11-12 | 1985-01-19 | 0.0 yrs | 0 | |
| US3379960A | Automatic voltage regulator with buck-boost transformers | Superior Electric Co | Expired / Lapsed | 1966-01-19 | 1968-04-23 | 1986-01-19 | 0.0 yrs | 2 | |
| US3117268A | Electric motor control circuit | Superior Electric Co | Expired / Lapsed | 1960-10-26 | 1964-01-07 | 1980-10-26 | 0.0 yrs | 1 | |
| US3099789A | Voltage surge protection network | Superior Electric Co | Expired / Lapsed | 1960-02-26 | 1963-07-30 | 1980-02-26 | 0.0 yrs | 2 | |
| US3068388A | Electric motor positioning control circuit | Superior Electric Co | Expired / Lapsed | 1960-03-14 | 1962-12-11 | 1980-03-14 | 0.0 yrs | 0 |