Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8161996 | Resilient seated butterfly valve with interchangeable off-center and on-center discs | James E. Barker, Steven K. Neu | 2012-04-24 |
| 7770867 | Plug valve with flow area equal to or greater than the flow area of the connected piping | Paranthaman Janagan | 2010-08-10 |
| 5449000 | System for body impedance data acquisition utilizing segmental impedance & multiple frequency impedance | Richard Wooten | 1995-09-12 |
| 4225112 | Butterfly valve with a retaining ring | — | 1980-09-30 |
| 4225113 | Butterfly valve having cartridge construction with improved bearings | Paul J. Barthelemy, Dale R. Clausing, Donald R. Trott | 1980-09-30 |
| 4225114 | Butterfly valve with improved shaft connection | Paul J. Barthelemy, Dale R. Clausing, Donald R. Trott | 1980-09-30 |