MPB
9Patents
0Active
9Granted
29Portfolio score
Filing activity: Nov 25, 1975 → Sep 28, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4956571A | Superconducting magnetic bearing | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4729239A | Vibration tester for ball bearings and associated devices | Physics | 17 | Expired |
| US5052824A | Compliant spherical bearing | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5215386A | Gimbal bearing | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5352046A | Corrosion-resistant zinc-nickel plated bearing races | Emerging Cross-Sectional Technologies | 9 | Expired |
| USRE35860E | Corrosion-resistant zinc-nickel plated bearing races | General | 7 | Expired |
| US4788758A | Method of making axially hardened bearings | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7508575B2 | Cascaded pump delivery for remotely pumped erbium-doped fiber amplifiers | Electricity | 4 | Expired |
| US4107239A | Phenolic-acrylic fast-curing sealant system | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.