Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208291 | Method and apparatus for maintaining airflow in a powered air purifying respirator in high magnetic fields | Douglas D. Jensen | 2025-01-28 |
| 12070632 | Method of controlling a powered air purifying respirator | Sean R. Kilmer, Douglas D. Jensen, Andrew Murphy | 2024-08-27 |
| 12017098 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Sean R. Kilmer, Andrew Murphy | 2024-06-25 |
| 11666785 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Sean R. Kilmer, Andrew Murphy | 2023-06-06 |
| 11413479 | Method of controlling a powered air purifying respirator | Sean R. Kilmer, Douglas D. Jensen, Andrew Murphy | 2022-08-16 |
| 11278749 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Sean R. Kilmer, Andrew Murphy | 2022-03-22 |
| 9481424 | Compact scroll fan assembly | Ronald A. Hagen | 2016-11-01 |
| 9127691 | Compact scroll fan assembly | Ronald A. Hagen | 2015-09-08 |
| 5773839 | Cassette for use in an electronic radiographic imaging system | Kenneth J. Krepel, Joseph A. Hoffman, Anthony B. Ferguson, Daniel J. Severson, Walter S. Federation +4 more | 1998-06-30 |
| 5637882 | Detector plate for use in imaging systems | Ranjith Divigalpitiya, Bimsara W. Disanayaka, William B. Robbins, Earl L. Cook | 1997-06-10 |