Alan D. Berger
25Patents
15h-index
29Co-inventors
81Inventor score
Filing activity: May 16, 1986 → Jan 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5991687A | System and method for communicating information related to a geographical area | Human Necessities | 221 | Expired |
| US4710020A | Beacon proximity detection system for a vehicle | Physics | 160 | Expired |
| US6061617A | Adaptable controller for work vehicle attachments | Fixed Constructions | 142 | Expired |
| US6233511A | Electronic control for a two-axis work implement | Fixed Constructions | 113 | Expired |
| US5890870A | Electronic ride control system for off-road vehicles | Fixed Constructions | 57 | Expired |
| US5897287A | Electronic ride control system for off-road vehicles | Fixed Constructions | 54 | Expired |
| US6952156B2 | Transponder communication and control system for a vehicle | Physics | 52 | Expired |
| US5977778A | Method and apparatus for sensing piston position | Physics | 52 | Expired |
| US6005395A | Method and apparatus for sensing piston position | Physics | 39 | Expired |
| US6142059A | Method and apparatus for sensing the orientation of a mechanical actuator | Physics | 39 | Expired |
| US6484620B2 | Laser based reflective beam cylinder sensor | Physics | 38 | Expired |
| US5901633A | Method and apparatus for sensing piston position using a dipstick assembly | Physics | 30 | Expired |
| US6115660A | Electronic coordinated control for a two-axis work implement | Fixed Constructions | 21 | Expired |
| US6498973B2 | Flow control for electro-hydraulic systems | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6091337A | High voltage contact monitor with built-in self tester | Fixed Constructions | 15 | Expired |
| US6196327A | EDC draft force based ride controller | Human Necessities | 15 | Expired |
| US6356829B1 | Unified control of a work implement | Fixed Constructions | 13 | Expired |
| US5996342A | Hydrostatic drive train controller | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5689177A | Method and apparatus to regulate a voltage controller | Performing Operations; Transporting | 9 | Expired |
| US6769349B2 | Multi-fiber cylinder position sensor using time-of-flight technique | Physics | 8 | Expired |
| US6710327B2 | Multi-fiber multi-cylinder position method and apparatus using time-of-flight technique | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6398227B1 | Ride control apparatus and method | Performing Operations; Transporting | 4 | Expired |
| US11512897B2 | Fluid recovery process and apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US10215488B2 | Treatment of nitrogen-rich natural gas streams | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11460246B2 | Recovery of krypton and xenon from liquid oxygen | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.