Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029289 | Variable-volume exhaust system | Ronald L. Wendorski, John William Enzenroth, Tony Podjaski, Kyle Rothmeyer, Bruce Knieriem | 2018-07-24 |
| 9636722 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Scott James Koeppel, Edward G. Legner +2 more | 2017-05-02 |
| 8647182 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Scott James Koeppel, Edward G. Legner +2 more | 2014-02-11 |
| 8152105 | Parachute canopy packing sleeve and method of use | — | 2012-04-10 |
| D655220 | Elevated planter box with transparent cover | — | 2012-03-06 |
| 7682231 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Scott James Koeppel, Edward G. Legner +2 more | 2010-03-23 |
| 4667114 | Prime mover speed sensing system and method | — | 1987-05-19 |
| 4412422 | Apparatus and method for controlling a multi-turbine installation | — | 1983-11-01 |
| 4270357 | Turbine control | Donald F. Behringer | 1981-06-02 |
| 4217617 | Turbine trip circuit | Richard E. Lundberg, Thomas A. Fancy, Donald F. Behringer, John B. Haven | 1980-08-12 |