John M. Beardmore
26Patents
13h-index
8Co-inventors
74Inventor score
Filing activity: May 30, 1975 → Oct 23, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6609987B1 | Hydraulic timing chain tensioner assembly | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US4148200A | Torsional vibration damper for a lock-up clutch | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US7334571B1 | Isolation system for high pressure spark ignition direct injection fuel delivery components | Mechanical Engineering; Lighting; Heating | 34 | Active |
| US4590964A | Noise isolation for a fuel system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5673666A | Connecting rod for internal combustion engine | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US7293550B2 | Fuel injector isolation seat | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US3983793A | Crosshead piston assembly | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7591246B2 | Isolated fuel delivery system | Mechanical Engineering; Lighting; Heating | 20 | Active |
| US6183230A | Isolated engine oil pump drive | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4158328A | Piston with variable side clearance | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4457269A | Valve timing drive for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6907848B2 | Connecting rod with lubricant tube | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4571159A | Fuel pump with integral accumulator | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7484499B2 | Combustion seal | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US4317541A | Fuel injector-pump unit with hydraulic needle fuel injector | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7677872B2 | Low back-flow pulsation fuel injection pump | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7383818B1 | Fuel injector with secondary combustion seal | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6866011B1 | Block-mounted piston squirter | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4180977A | Torque converter with variable pitch stator | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4852527A | Low noise valve train | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7827967B2 | Low noise fuel pump with variable pressure regulation | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7610902B2 | Low noise fuel injection pump | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5617820A | Connecting rod for internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4054248A | Fuel injector pump for a unit fuel injector | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US3995538A | Crosshead piston assembly | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.