John Graham
29Patents
9h-index
13Co-inventors
72Inventor score
Filing activity: Sep 4, 1981 → Nov 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6461265B1 | Coaxial gear box | Emerging Cross-Sectional Technologies | 26 | Expired |
| US8229586B2 | Method and apparatus for assembling a complex product in a parallel process system | Emerging Cross-Sectional Technologies | 19 | Active |
| US4407548A | Air service brake exhaust control system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4750416A | Air head module | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6331093A | Compensator for multi-tool boring bar | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5154491A | Emergency and parking brake system | Performing Operations; Transporting | 10 | Expired |
| US4749236A | Mechanically actuated, hydraulically deactuated brake system | Performing Operations; Transporting | 9 | Expired |
| US5092745A | Automatic pressure-driven compressor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| USRE32885E | Air brake with collet locked push rod and air supply system | General | 9 | Expired |
| US6312200A | Method and apparatus for adjusting a tool cartridge, such as a cutter body | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4722575A | Mechanical emergency and parking brake system | Performing Operations; Transporting | 9 | Expired |
| US5361877A | Diaphragm-type pneumatic brake actuator with closing valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4589704A | Air brake with collet locked push rod and air supply system | Performing Operations; Transporting | 8 | Expired |
| US7451612B2 | Geothermal exchange system incorporating a thermally superconducting medium | Emerging Cross-Sectional Technologies | 8 | Active |
| US4973107A | Dual pressure air brake system | Performing Operations; Transporting | 7 | Expired |
| US4440189A | Corrosive fluid two way check relief valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5393130A | Method of supplying a higher pressure reserve air supply for air brake system | Performing Operations; Transporting | 6 | Expired |
| US5255961A | Multi-chamber brake actuator | Performing Operations; Transporting | 5 | Expired |
| US6267455A | Multi-tank air supply system | Performing Operations; Transporting | 4 | Expired |
| US6427305B1 | Part elevator having a transfer bar with CAM follower and slot | Performing Operations; Transporting | 4 | Expired |
| USH748H | Air brake with collet locked push rod and excessive force reducer | General | 4 | Active |
| US8620467B2 | Method and apparatus for assembling a complex product in a parallel process system | Emerging Cross-Sectional Technologies | 3 | Active |
| USH117H | Air brake with collet locked push rod and collet deactuator | General | 2 | Active |
| US10444129B2 | System and method for testing or calibrating a manufactured part in a wet environment | Physics | 1 | Active |
| USD996475S1 | Fiber catching device | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.