Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11994085 | Piston for use in internal combustion engines and method of making the piston | Ronald J. Petrus, Jared Matthew Satkowiak, Hsiao F. Wong, Qigui Wang, Richard D. Ricchi | 2024-05-28 | $51,856,000 |
| 8555850 | Two-piece compression piston ring of an internal combustion engine | Zheng Ma, John B. Fisher | 2013-10-15 | $6,374,000 |
| 7614339 | Piston top chamfer design to reduce noise and friction | John B. Fisher, Fanghui Shi | 2009-11-10 | |
| 7246552 | Piston having asymmetrical pin bore slot placement | — | 2007-07-24 | $7,389,000 |
| 6666118 | Piston skirt turning tool and method | — | 2003-12-23 |