Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480692 | Sanitary fitting for fluid handling equipment | Robert A. Smith | 2019-11-19 |
| 7686027 | Multi-port free flow valve and element | Steven D. Welch, Erik Zetterstrand | 2010-03-30 |
| 7383853 | Multi-port free flow valve and element | Steven D. Welch, Erik Zetterstrand | 2008-06-10 |
| 6976664 | Free flow valve and element | Steven D. Welch, Erik Zetterstrand | 2005-12-20 |
| 5622393 | Re-usable fitting for flexible hoses | Norman B. Cooling | 1997-04-22 |