Pertec Corporation
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Sep 6, 1974 → Jun 5, 1978
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3940793A | Disk positioning means for a flexible magnetic disk drive apparatus | Physics | 31 | Expired |
| US4047158A | Peripheral processing system | Physics | 31 | Expired |
| US3944940A | Versatile phase-locked loop for read data recovery | Electricity | 29 | Expired |
| US3972535A | Spindle drive motor | Physics | 14 | Expired |
| US3953889A | Electronic head adjust system for removable magnetic discs | Physics | 7 | Expired |
| US4041469A | CRT key station which is responsive to centralized control | Physics | 6 | Expired |
| US4157507A | Electronic system for detecting direction of motion | Physics | 6 | Expired |
| US3958777A | Tape transport reel servomechanism | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.