John J. Krieg
13Patents
8h-index
29Co-inventors
72Inventor score
Filing activity: Feb 28, 1978 → May 17, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4228771A | Lash adjustment means for valve gear of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4227495A | Hydraulic lash adjuster with oil reservoir separator | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5119774A | Direct acting hydraulic valve lifter | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5245958A | Direct acting hydraulic valve lifter | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5070827A | Low mass valve lifters | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6302075A | Roller finger follower shaft retention apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6755167B2 | Two-step roller finger cam follower having spool-shaped low-lift roller | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4254749A | Fuel injection system and timing advance device therefor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6235128A | Carbon and alloy steels thermochemical treatments | Chemistry; Metallurgy | 6 | Expired |
| US6758184B1 | Method and apparatus for reducing oscillatory camshaft torque in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7252059B2 | Closure assembly for a camshaft phaser | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7008198B2 | Cam operated pump having lost motion shuttle | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5230308A | Low mass direct acting hydraulic valve lifter | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.