RENOLD PLC
21Patents
4Active
21Granted
35Portfolio score
Filing activity: Dec 18, 1984 → Sep 25, 2014 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6746352B1 | Method and apparatus for tensioning a chain of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6851546B2 | Chain wear monitoring method and apparatus | Performing Operations; Transporting | 25 | Expired |
| US4601266A | Phasing device for machine applications | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6652402B2 | Chain drive | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6321523A | Chain | Performing Operations; Transporting | 14 | Expired |
| US7634949B2 | Transmission chain monitoring system | Physics | 11 | Active |
| US6308510A | Chain | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6393820B1 | Chain | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6849012B2 | Tensioner for a chain or belt | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6244032A | Chain | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7331891B2 | Tensioner for a chain or belt | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6539699B2 | Transmission chain | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6311469A | Drive chain | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6105356A | Drive chain | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9463958B2 | Chain | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US5524742A | Sprag clutches | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5993339A | Chain tensioner with a spring and hydraulic fluid acting on both sides of a piston | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7886613B2 | Transmission chain monitoring system | Physics | 2 | Active |
| US6656071B1 | Chain or belt tensioner | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6659897B2 | Chain drive assembly | Performing Operations; Transporting | 0 | Expired |
| US9551413B2 | Lubricated gear coupling | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.