Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226733 | Systems and methods for concentrating gas | Matthew E. Monaghan, Pankaj Madhukar Patil | 2025-02-18 |
| 12172121 | System and method for concentrating gas | Alex P. Valentine, Matthew E. Monaghan | 2024-12-24 |
| 11213441 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2022-01-04 |
| 10512572 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2019-12-24 |
| 9987177 | Obstacle traversing wheelchair | Gerold Goertzen | 2018-06-05 |
| 9925100 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2018-03-27 |
| 9624918 | Pumping device | Gerold Goertzen | 2017-04-18 |
| 9364377 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2016-06-14 |
| 9149398 | Obstacle traversing wheelchair | Gerold Goertzen | 2015-10-06 |
| 9061238 | Gas concentrator | Samuel J. Shelnutt | 2015-06-23 |
| 8833774 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2014-09-16 |
| 8636089 | Obstacle traversing wheelchair | Gerold Goertzen | 2014-01-28 |
| 8534679 | Suspension for wheeled vehicles | Gerold Goertzen, Robert L. Cuson | 2013-09-17 |
| 8172016 | Obstacle traversing wheelchair | Gerold Goertzen | 2012-05-08 |
| 8062003 | System and method for providing oxygen | Gerold Goertzen | 2011-11-22 |
| 7597163 | Obstacle traversing wheelchair | Gerold Goertzen | 2009-10-06 |
| 7419182 | Mobility aid | Gerold Goertzen, Bradley Kushner | 2008-09-02 |
| 7293801 | Self-stabilizing suspension for wheeled vehicles | John E. Bertrand, Gerald Goertzen | 2007-11-13 |
| 7219755 | Obstacle traversing wheelchair | Gerold Goertzen | 2007-05-22 |
| 7083195 | Suspension with releasable locking system | Gerald Goertzen | 2006-08-01 |
| 6935448 | Obstacle traversing wheelchair | Gerold Goertzen | 2005-08-30 |
| 6923280 | Obstacle traversing wheelchair | Gerold Goertzen | 2005-08-02 |
| 6851711 | Vehicle having an anti-dive/lockout mechanism | Gerald Goertzen | 2005-02-08 |
| 6554086 | Obstacle traversing wheelchair | Gerold Goertzen | 2003-04-29 |