Richard Redfern
16Patents
3h-index
21Co-inventors
56Inventor score
Filing activity: May 14, 2009 → Sep 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9477253B2 | Steering system for a marine vessel | Performing Operations; Transporting | 4 | Active |
| US10683073B2 | Electric actuator for a marine steering system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8430702B2 | Steering assembly for a marine vessel with vertically offset propulsion | Performing Operations; Transporting | 3 | Active |
| US10647399B2 | Electric actuator for a marine vessel | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8769944B2 | Power assist hydraulic steering system with on demand pump | Performing Operations; Transporting | 3 | Active |
| US8425270B2 | Length-adjustable tie bar for marine engines | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10696369B2 | Outboard motor | Performing Operations; Transporting | 3 | Active |
| US10227125B2 | Steering system for a marine vessel | Performing Operations; Transporting | 3 | Active |
| US10683074B2 | Steering assembly for a marine vessel with vertically offset propulsion units | Performing Operations; Transporting | 2 | Active |
| US9631753B2 | Hydraulic fitting for a hydraulic hose | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10766590B2 | Outboard motor | Performing Operations; Transporting | 2 | Active |
| US11433981B2 | Electric actuator for a marine steering system, and methods of defining steering boundaries and determining drive mechanism failure thereof | Performing Operations; Transporting | 2 | Active |
| US10981638B2 | Electric actuator for a marine steering system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9511841B2 | Power assist hydraulic steering system with on demand pump | Performing Operations; Transporting | 0 | Active |
| US12006012B2 | Steering apparatuses and actuator apparatuses | Performing Operations; Transporting | 0 | Active |
| US10780967B2 | Steering system for a marine vessel | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.