Riverhawk Company
11Patents
9Active
11Granted
61Portfolio score
Filing activity: Oct 25, 2002 → Jun 15, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9188146B1 | Hydraulic rod tensioning system | Emerging Cross-Sectional Technologies | 14 | Active |
| US6685406B2 | Perforated nut tensioning system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7090060B1 | Bi-directional release mechanism for a torque fuse device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8702337B2 | Lamellar rotational flexure pivot | Emerging Cross-Sectional Technologies | 6 | Active |
| US10364835B2 | Safety guard for a hydraulic device | Emerging Cross-Sectional Technologies | 4 | Active |
| US9506492B2 | Hydraulic rod tensioning system | Emerging Cross-Sectional Technologies | 3 | Active |
| US7237663B2 | Bi-directional release mechanism for a torque fuse device | Emerging Cross-Sectional Technologies | 2 | Active |
| US11859671B2 | High torque friction fit low moment hub joint assembly for a shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9889529B2 | System and method for preloading tension in a stud using an anti-seizure spacer for tapered thread connections | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11358243B2 | High torque friction fit low moment hub joint assembly for a shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11927238B1 | Internal viscous rotational damping assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.