Precision Instruments, Inc.
7Patents
0Active
7Granted
26Portfolio score
Filing activity: Nov 19, 1979 → Mar 4, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4901610A | Adjustable torque controlling mechanism | Performing Operations; Transporting | 43 | Expired |
| US5129293A | Torque control mechanism for wrenches and the like | Performing Operations; Transporting | 31 | Expired |
| US5503042A | Antifriction force transmission means for plungers of torque signalling wrenches | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6948410B1 | Torque wrench with sleeve for locking rotatable handle | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7121169B1 | Ratchet head | Performing Operations; Transporting | 5 | Expired |
| US4376386A | Torque wrench testing devices and the like | Physics | 5 | Expired |
| US5244284A | Antifriction roller means for plungers | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.