Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9696742 | Multi-measurement vortex flowmeter | Joseph J. Lewicke, Peter E. Allstrom, James H. Vignos | 2017-07-04 |
| 7853415 | Multi-measurement vortex flowmeter | Joseph J. Lewicke, Peter E. Allstrom, James H. Vignos | 2010-12-14 |
| 7212928 | Multi-measurement vortex flow meter | Joseph J. Lewicke, Peter E. Allstrom, James H. Vignos | 2007-05-01 |
| 6686831 | Variable power control for process control instruments | Vladimir Kostadinov | 2004-02-03 |
| 6212975 | Adaptive filter with sweep filter analyzer for a vortex flowmeter | — | 2001-04-10 |
| 6058785 | Noise reduction in a mass flow measuring system | Richard W. Kalinoski | 2000-05-09 |
| 5804740 | Capacitive vortex mass flow sensor | Richard W. Kalinoski | 1998-09-08 |