Derek M. Eagles
13Patents
7h-index
11Co-inventors
63Inventor score
Filing activity: Sep 11, 1981 → Apr 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4470260A | Open center load sensing hydraulic system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4470259A | Closed center, load sensing hydraulic system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4463557A | Open center hydraulic system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7142968B2 | Hitch raise rate calibration method | Human Necessities | 14 | Expired |
| US5020324A | Charge flow priority circuit | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7458428B2 | Towed scraper blade control method | Fixed Constructions | 12 | Active |
| US4463558A | Load sensing hydraulic system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6371158B1 | Hydraulic system sump standpipe | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5394701A | Brake valve with prefill chamber unloading valve | Performing Operations; Transporting | 4 | Expired |
| US5245827A | Supply valve arrangement for closed center hydraulic system | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US10668947B2 | Electro-hydraulic steering control system | Performing Operations; Transporting | 2 | Active |
| US4381995A | In-line filter and flow control valve | Performing Operations; Transporting | 0 | Expired |
| US11396323B2 | Electro-hydraulic steering control system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.