Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578799 | Piston ring and piston ring/piston combination with improved wear properties | FABIAN RUCH, Oliver Nickisch | 2023-02-14 |
| 11371610 | Flutter-suppression piston ring | Richard Mittler | 2022-06-28 |
| 11199261 | Play-free oil scraper ring | — | 2021-12-14 |
| 10006399 | Cylinder sleeve with wear-resistant inner layer | Volker Scherer, Jurgen Gillen | 2018-06-26 |
| 9719596 | Piston ring for internal combustion engines with increased fatigue strength, and method for producing same | Stephan Machliner | 2017-08-01 |
| 6561568 | Window shield for vehicle body | — | 2003-05-13 |
| 4870970 | Ultrasonic investigation apparatus | Simon Knibbs, Patrick Finlay, Robert Crocker | 1989-10-03 |
| 4678194 | Target apparatus including transmitting/receiving dart | William H. Bowyer, Robert Crocker, Christopher M. Hansford, Leslie K. Parker | 1987-07-07 |