James P. Chew
14Patents
5h-index
9Co-inventors
55Inventor score
Filing activity: Nov 26, 1985 → May 13, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4997161A | Fuel control system throttle valve unit therefor and methods of making the same | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4665858A | Mounting bracket for railway vehicle couplers | Performing Operations; Transporting | 11 | Expired |
| US4700278A | Molded plastic bracket for lamp receptacle | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4763875A | Pneumatic coupling having a latching mechanism and a bleed-off valve for attachment to an air brake hose | Performing Operations; Transporting | 7 | Expired |
| US5460435A | System for initiating rear braking in a railway train and air sensor for use with the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5697584A | Railroad searchlight signal with solid state illuminant and aspect indication | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5234184A | Locomotive axle mounted cab signaling sensor | Performing Operations; Transporting | 4 | Expired |
| US5598992A | Railway switch circuit controller | Performing Operations; Transporting | 4 | Expired |
| US4921210A | Fuel control system, throttle valve unit therefor and methods of making the same | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4753403A | Railroad track mounting arrangement | Fixed Constructions | 3 | Expired |
| US5639047A | Railroad signal with remote light source | Performing Operations; Transporting | 2 | Expired |
| US5664744A | Railway highway crossing signal | Performing Operations; Transporting | 2 | Expired |
| US5507567A | System for initiating rear braking in a railway train and air sensor for use with the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5467654A | Method and apparatus for determining the operating speed of a rail vehicle | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.