Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811688 | Open channel flowmeter utilizing surface velocity and lookdown level devices | Lawrence B. Marsh | 1998-09-22 |
| 5644088 | Port forward sensor for liquid level gauge or flowmeter | — | 1997-07-01 |
| 5544531 | Flowmeter having active temperature compensation | — | 1996-08-13 |
| 5421211 | Liquid flowmeter including doppler signal processing, and method | — | 1995-06-06 |