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patent | score | priority | expiry | expired | references | current assignee | title |
|---|---|---|---|---|---|---|---|
| 6539699 | 17 | 2000-09-02 | 2021-08-30 | 1 | 4 | SCHAEFFLER CHAIN DRIVE SYSTEMS SAS; | Transmission chain |
| 6746352 | 23 | 1998-06-30 | 2019-06-29 | 1 | 26 | Schaeffler KG; | Method and apparatus for tensioning a chain of an internal combustion engine |
| 6652402 | 38 | 2000-09-02 | 2021-08-30 | 1 | 13 | SCHAEFFLER CHAIN DRIVE SYSTEMS SAS; | Chain drive |
| 6849012 | 48 | 2000-10-13 | 2021-10-11 | 1 | 6 | Schaeffler KG; | Tensioner for a chain or belt |
| 7331891 | 62 | 2003-07-16 | 2026-03-17 | 1 | 5 | Schaeffler KG; | Tensioner for a chain or belt |
| 5993339 | 68 | 1996-10-15 | 2017-10-15 | 1 | 2 | Schaeffler KG; | Chain tensioner with a spring and hydraulic fluid acting on both sides of a piston |
| 10808801 | 69 | 2015-09-11 | 2037-08-11 | 1 | 0 | SCHAEFFLER TECHNOLOGIES AG & CO KG; | Bush and associated bush chain |
| 6656071 | 73 | 1998-12-23 | 2019-12-21 | 1 | 1 | SCHAEFFLER CHAIN DRIVE SYSTEMS SAS; | Chain or belt tensioner |
| 9958030 | 88 | 2012-09-21 | 2034-09-19 | 0 | 0 | SCHAEFFLER TECHNOLOGIES AG & CO KG; | Chain element, chain pin, and method for producing same |
| 10174809 | 90 | 2012-09-21 | 2033-12-20 | 0 | 0 | Schaeffler Technologies AG & Co. KG; | Chain element and method for the production thereof |