Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11617980 | Air filter condition sensing | Jonathan B. Arthur, Karl W. Bloedorn, Jayant Chakravarty, Gene B. Portelli, Dennis M. Glass +5 more | 2023-04-04 |
| 11607635 | Air filter condition sensing | Jonathan B. Arthur, Karl W. Bloedorn, Jayant Chakravarty, Gene B. Portelli, Dennis M. Glass +5 more | 2023-03-21 |
| D980540 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980541 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980542 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980544 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980545 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980543 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D980539 | Hearing protector | Alonso M. Hernandez, Mario A. Davenport | 2023-03-07 |
| D978443 | Hearing protector | Gregory G. Jager, Douglas D. Fletcher, Jason T. Lunn, Oscar Hemberg, Anders Hellberg +1 more | 2023-02-14 |