Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396810 | Vortex flowmeter | — | 1995-03-14 |
| D350491 | Large line size winged flowmeter design | George Charles Hausler | 1994-09-13 |
| 5343762 | Vortex flowmeter | — | 1994-09-06 |
| D349862 | Large line size flowmeter design | George Charles Hausler | 1994-08-23 |
| D343364 | Small line size winged flowmeter | — | 1994-01-18 |
| D343365 | Small line size flowmeter | — | 1994-01-18 |