Johnson Engineering, Inc.
6Patents
0Active
6Granted
32Portfolio score
Filing activity: Dec 15, 1981 → Jun 2, 2008
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4495496A | Personnel monitoring and locating system | Emerging Cross-Sectional Technologies | 217 | Expired |
| US4476954A | Remote control for motor vehicle | Emerging Cross-Sectional Technologies | 194 | Expired |
| US5907281A | Swimmer location monitor | Physics | 79 | Expired |
| US6327220A | Sonar location monitor | Electricity | 21 | Expired |
| USD587095S1 | Lock | General | 12 | Expired |
| US6322341A | Fluid pressure driven rotary actuator and method of operating the same | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.