Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520394 | Elastomeric degradation indicator devices, systems, and methods | — | 2019-12-31 |
| 9879753 | Rotary dampers, systems, and related methods | Brian McGill, Keith R. Ptak | 2018-01-30 |
| 8752784 | Aircraft rotary wing motion control and instrumented motion control fluid device | Mark R. Jolly, Zachary Fuhrer, Robert E. Fogle | 2014-06-17 |
| 8167375 | Furniture seatback tilt recline angle limiter and method | Keith Ptuk, Jim Maciak | 2012-05-01 |
| 7566099 | Furniture seatback tilt recline angle limiter and method | Keith R. Ptak, Jim Maciak | 2009-07-28 |
| 6302365 | Apparatus for supporting an ornamental article relative to an object | Frank Zazzara | 2001-10-16 |
| 6070681 | Controllable cab suspension | Kenneth A. St. Clair, Robert H. Marjoram | 2000-06-06 |
| 5964455 | Method for auto-calibration of a controllable damper suspension system | David J. Hamo, John C. Holzheimer | 1999-10-12 |
| 5816372 | Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same | J. David Carlson | 1998-10-06 |
| 5712783 | Control method for semi-active damper | — | 1998-01-27 |
| 5652704 | Controllable seat damper system and control method therefor | — | 1997-07-29 |