Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006767 | Apparatus and methods for door curtain breakaway detection | Ryan P. Beggs, Michael Sivill, Christopher Saleh, Charles Runde, James Pelegrin +1 more | 2024-06-11 |
| 11708722 | Apparatus and methods for door curtain breakaway detection | Ryan P. Beggs, Michael Sivill, Christopher Saleh, Charles Runde, James Pelegrin +1 more | 2023-07-25 |
| 11085230 | Insulated doors with restorable breakaway sections | Dean Shanahan, Derek Lewan, Jon Schumacher, Perry W. Knutson, Rodney Kern +3 more | 2021-08-10 |
| 10494858 | Insulated doors with restorable breakaway sections | Dean Shanahan, Derek Lewan, Jon Schumacher, Perry W. Knutson, Rodney Kern +3 more | 2019-12-03 |
| 9771754 | Flexible seals for insulated doors | Derek Lewan, Rodney Kern, William W. Hoerner | 2017-09-26 |
| 9493984 | Systems and methods to retain and refeed door curtains | Perry W. Knutson, Ryan P. Beggs, Timothy A. Haessler, William W. Hoerner | 2016-11-15 |
| 9222304 | Systems and methods to retain and refeed door curtains | Perry W. Knutson, Ryan P. Beggs, Timothy A. Haessler, William W. Hoerner | 2015-12-29 |