Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808864 | System and method for controlling a field device | Shawn W. Anderson | 2020-10-20 |
| 10533668 | Seal assemblies for use with fluid valves | Shawn W. Anderson | 2020-01-14 |
| 9512934 | Seal assemblies for use with fluid valves | Shawn W. Anderson | 2016-12-06 |
| 6579060 | Impeller and housing assembly with reduced noise and improved airflow | Robert N. McKee, Doug Zlatic | 2003-06-17 |
| 6171054 | Impeller housing with reduced noise and improved airflow | Robert N. McKee, Doug Zlatic | 2001-01-09 |
| 6065347 | Method and means for measuring dynamic and static air pressure on a ground surface beneath a negative air system | Matthew D. Moore, Ambar K. Mitra, Jerald M. Vogel | 2000-05-23 |
| 6052863 | Central vacuum cleaner muffler | Stephen P. Rittmueller, David K. Holger, Douglas E. Johnson | 2000-04-25 |
| 5929339 | Method and means for measuring dynamic and static air pressure on a ground surface beneath a lawn mower system | Matthew D. Moore, Ambar K. Mitra, Jerald M. Vogel | 1999-07-27 |
| 5737797 | Central vacuum with acoustical damping | Stephen P. Rittmueller, Douglas E. Johnson, Steven D. Lauritsen, David K. Holger | 1998-04-14 |