Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10958991 | Filter element sensor module having processing and wireless communication capabilities | Brandon Hukill, Karlheinz Muenkel, Yew Chong | 2021-03-23 |
| 10898848 | Air filter for the interior air of cabins of vehicles, agricultural, construction, and work machines | Ina Woitoll, Joachim Stinzendoerfer, Angelika Gohle, Manfred Winter, Dieter Weiss | 2021-01-26 |