Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529544 | Stationary exercise apparatus | Hung-Mao Liao, Donald E. Stiemke, Darian P. Johnston | 2022-12-20 |
| 11266871 | Stair exerciser apparatus | Robert C Burck, Michael J Fidler, Alexander E Hanson, Noel R. Johnson | 2022-03-08 |
| 11047731 | Auto-calibration of load cell in measuring discrete weights | Robert C Burck | 2021-06-29 |
| 10960261 | Stationary exercise apparatus | Hung-Mao Liao, Donald E. Stiemke, Darian P. Johnston | 2021-03-30 |
| 10596409 | Stair exerciser apparatus | Robert C Burck, Michael J Fidler, Alexander E Hanson, Noel R. Johnson | 2020-03-24 |
| 10369403 | Stationary exercise apparatus | Hung-Mao Liao, Donald E. Stiemke, Darian P. Johnston | 2019-08-06 |
| 9429511 | Method of detecting a lubrication status between a deck and a belt of a treadmill | — | 2016-08-30 |
| 9339684 | Stationary exercise apparatus | Hung-Mao Liao, Donald E. Stiemke, Darian P. Johnston | 2016-05-17 |
| 8403815 | Stationary exercise apparatus | Hung-Mao Liao, Donald E. Stiemke, Darian P. Johnston | 2013-03-26 |
| 8092349 | Stationary exercise apparatus | Hung-Mao Liao, Bill W. Baier, Donald E. Stiemke, Darian P. Johnston, J. Addison Pettis | 2012-01-10 |
| 7976435 | Stationary exercise apparatus | Mark Van Handel, Jon Alling, Hung-Mao Liao | 2011-07-12 |
| 7972248 | Stationary exercise apparatus | Hung-Mao Liao | 2011-07-05 |
| 7744508 | Stationary exercise apparatus | Hung-Mao Liao | 2010-06-29 |
| 7722505 | Stationary exercise apparatus | Hung-Mao Liao, Bill W. Baier, Donald E. Stiemke, Darian P. Johnston, J. Addison Pettis | 2010-05-25 |
| 7654936 | Stationary exercise apparatus | Hung-Mao Liao, Bill W. Baier, Donald E. Stiemke, Darian P. Johnston, J. Addison Pettis | 2010-02-02 |
| 7524272 | Exercise machine with semi-dependent retraction system | Robert Bruck, Donald E. Stiemke, Nathan Pyles, Ronald H. Carringi, J. Addison Pettis +1 more | 2009-04-28 |