Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149857 | Appliance for making isotropically finished seal ring of seal assembly for machine | Bao Feng, Joseph J. Every, Daniel P. Vertenten, John M. Spangler | 2021-10-19 |
| 10927959 | Method and appliance for making isotropically finished seal ring of seal assembly for machine | Bao Feng, Joseph J. Every, Daniel P. Vertenten, John M. Spangler | 2021-02-23 |
| 10746304 | Face seal assembly for machine system having metallic sealing ring with stiffness relief groove to compensate for out-of-plane sealing face | Daniel Mathien | 2020-08-18 |
| 10724639 | Metal face seal taper | — | 2020-07-28 |
| 10442480 | Coating for seal assembly | John M. Spangler, Anca I. Marcu | 2019-10-15 |
| 9656705 | Mobile machine track roller having a guard member | Donald John Kalmes, Allen Jay Weeks, Timothy Richard Hoyt | 2017-05-23 |