Vibrac, LLC
11Patents
2Active
11Granted
34Portfolio score
Filing activity: Dec 20, 1974 → Mar 12, 2013 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4350914A | Electric motor manufacture | Electricity | 34 | Expired |
| US4182026A | Electric motor manufacture | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4430566A | Electro-optical angular displacement | Physics | 20 | Expired |
| US5152182A | Torque measuring apparatus | Physics | 17 | Expired |
| US4110645A | Electric motor | Electricity | 11 | Expired |
| US4503326A | Fiber optic optical device | Physics | 4 | Expired |
| US3953750A | Electric motor | Electricity | 3 | Expired |
| US7281438B2 | Torque measuring apparatus | Physics | 3 | Expired |
| US7481122B2 | Apparatus for measuring torque | Physics | 1 | Active |
| US9851286B2 | Viscosity testing system and method of using the same | Physics | 1 | Active |
| US5459975A | Compressible ring chuck | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.