Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029240 | Wick moisture sensor for airborne particle condensational growth systems | Steven Russel Spielman, Gregory Stephen Lewis | 2021-06-08 |
| 10914667 | Condensation particle counter false count performance | Sreenath Avula, Richard Remiarz, George John Chancellor, Tyler Anderson, Daniel C. Bjorkquist +4 more | 2021-02-09 |
| 10882018 | Apparatus for sustained super-saturations for condensational growth of particles | Steven Russel Spielman, Gregory Stephen Lewis | 2021-01-05 |
| 10883910 | Coiled system for condensational growth of ultrafine particles | Steven Russel Spielman, Gregory Stephen Lewis | 2021-01-05 |