Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000040 | Method and apparatus for remote monitoring of valves and valve operators | Stanley N. Hale, Edmond A. Sayed | 1991-03-19 |
| 4891975 | Method and apparatus for remote monitoring of valves and valve operators | Stanley N. Hale, Edmond A. Sayed | 1990-01-09 |
| 4860596 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | John A. McMennamy, Steven Nafziger | 1989-08-29 |
| 4831873 | Method and apparatus for remote monitoring of valves and valve operators | Stanley N. Hale, Edmond A. Sayed | 1989-05-23 |
| 4759224 | Torque measuring system for motor operated valve operators | John A. McMennamy, Steven Nafziger | 1988-07-26 |
| 4735101 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | John A. McMennamy, Steven Nafziger | 1988-04-05 |
| 4712071 | Motor operated valve analysis and testing system | Dwaine A. Godfrey, John A. McNennamy, Steven Nafziger | 1987-12-08 |
| 4693113 | Motor operated valve analysis and testing system | John A. McNennamy, Steven Nafziger, Dwaine A. Godfrey | 1987-09-15 |
| 4660416 | Motor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device | John A. McMennamy, Steven Nafziger | 1987-04-28 |
| 4542649 | Motor operated valve analysis and testing system | Dwaine A. Godfrey, John A. McNennamy, Steven Nafziger | 1985-09-24 |