John C. Bierlein
9Patents
6h-index
12Co-inventors
60Inventor score
Filing activity: Oct 10, 1975 → Feb 22, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4554208A | Metal bearing surface having an adherent score-resistant coating | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4540636A | Metal bearing element with a score-resistant coating | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4618505A | Method of making adherent score-resistant coating for metals | Performing Operations; Transporting | 17 | Expired |
| US4553856A | Bearing having nickel-tin-copper barrier layer | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6374951B1 | Gear isolation shroud for transmission | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5466137A | Roller gerotor device and pressure balancing arrangement therefor | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US3985408A | Bearing having iron sulfur matrix | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4233071A | Bearing having iron sulfur matrix | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5842380A | Shift yoke | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.