TECTONICS
5Patents
3Active
5Granted
37Portfolio score
Filing activity: Sep 17, 1991 → Dec 14, 2016
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5287827A | Free piston engine control system | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5269280A | Fuel injector for gaseous fuel | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9147188B2 | Electronic currency and authentication system and method | Electricity | 8 | Active |
| US10636031B2 | Networked authentication | Electricity | 0 | Active |
| US9552576B2 | Networked authentication systems and methods | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.