James A. Aardema
18Patents
9h-index
29Co-inventors
72Inventor score
Filing activity: Jul 11, 1988 → May 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5960695A | System and method for controlling an independent metering valve | Emerging Cross-Sectional Technologies | 77 | Expired |
| US8635903B2 | Method and system for compaction measurement | Fixed Constructions | 73 | Active |
| US5568759A | Hydraulic circuit having dual electrohydraulic control valves | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5947140A | System and method for controlling an independent metering valve | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5137254A | Pressure compensated flow amplifying poppet valve | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5645263A | Pilot valve for a flow amplyifying poppet valve | Emerging Cross-Sectional Technologies | 25 | Expired |
| US9651067B2 | Hydraulic system with a dynamic seal | Emerging Cross-Sectional Technologies | 24 | Active |
| US5880957A | Method for programming hydraulic implement control system | Physics | 15 | Expired |
| US5906351A | Integrated electrohydraulic actuator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6199378A | Off-setting rate of pressure rise in a fluid system | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4832321A | Variable stiffness spring suspension | Performing Operations; Transporting | 8 | Expired |
| US7293579B2 | Poppet valve arrangements | Emerging Cross-Sectional Technologies | 6 | Expired |
| US10024708B2 | Cold planer yield measurement system | Physics | 5 | Active |
| US8424836B2 | Bidirectional force feedback poppet valve | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8631650B2 | Hydraulic system and method for control | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8479504B2 | Hydraulic system having an external pressure compensator | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9464580B2 | Torque limit control | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9975538B2 | Milling machine fuel efficiency control system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.