Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810598 | Systems and methods for determining a leak rate through an opening using acoustical sensors | — | 2017-11-07 |
| 5239874 | Method of monitoring the condition of a motor operated valve system | — | 1993-08-31 |
| 5000040 | Method and apparatus for remote monitoring of valves and valve operators | Arthur G. Charbonneau, Edmond A. Sayed | 1991-03-19 |
| 4891975 | Method and apparatus for remote monitoring of valves and valve operators | Arthur G. Charbonneau, Edmond A. Sayed | 1990-01-09 |
| 4869102 | Method and apparatus for remote monitoring of valves and valve operators | Thomas A. Rak, Duane H. Rowicki, Chin P. Ho | 1989-09-26 |
| 4831873 | Method and apparatus for remote monitoring of valves and valve operators | Arthur G. Charbonneau, Edmond A. Sayed | 1989-05-23 |