PT Tech, LLC
8Patents
6Active
8Granted
40Portfolio score
Filing activity: Oct 29, 2004 → Mar 5, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7493992B2 | Gearbox brake for mining machinery | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US7472739B2 | Shade structures | Fixed Constructions | 13 | Expired |
| US10240643B2 | Self-contained clutch for diesel engines | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US8066619B2 | Clutch control system | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US11293409B2 | Wind turbine coupling to mitigate torque reversals | Emerging Cross-Sectional Technologies | 0 | Active |
| US10240648B2 | Electromagnetic-released, multi-disc enclosed safety brake | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12055190B2 | Method and apparatus for efficient clutch engagement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10458395B2 | Wind turbine coupling to mitigate torque reversals | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.