Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780715 | Hoist brake | Christopher Whaley, Alvah Benjamin Aldrich, Maximilian Sauer | 2023-10-10 |
| 11312598 | Hoist fleet assembly | Christopher Whaley, Maximilian Sauer, Alvah Benjamin Aldrich | 2022-04-26 |
| 8328165 | Hoist with overspeed protection | Lawrence L. Eschelbacher | 2012-12-11 |
| 8201810 | Kinematic mount | — | 2012-06-19 |
| 7766308 | Theater rigging system | Stephen J. Kochan, Thomas J. Walsh, Thomas S. Young | 2010-08-03 |
| 7562863 | Theater rigging system | Stephen J. Kochan, Thomas J. Walsh, Thomas S. Young | 2009-07-21 |
| 7275733 | Compact drive for a counterweight assisted winch | Steven J. Kochan, Donald P. Ardine | 2007-10-02 |