Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214965 | Digitally adjustable and reversible vibrating conveyor | — | 2025-02-04 |
| 5159835 | Check valve testing system | John A. McMennamy | 1992-11-03 |
| 5154080 | Integrated check valve testing system | Gary L. Hill, Charles A. Burton, John A. McMennamy | 1992-10-13 |
| 4977778 | Check valve testing system | John A. McMennamy | 1990-12-18 |
| 4860596 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | Arthur G. Charbonneau, John A. McMennamy | 1989-08-29 |
| 4852416 | Ultrasonic testing system with variable angle transducer mount | Bruce T. Boone, Thomas A. Rak, John A. McMennamy | 1989-08-01 |
| 4782702 | Ultrasonic testing system with variable angle transducer mount | Bruce T. Boone, Thomas A. Rak, John A. McMennamy | 1988-11-08 |
| 4759224 | Torque measuring system for motor operated valve operators | Arthur G. Charbonneau, John A. McMennamy | 1988-07-26 |
| 4735101 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | Arthur G. Charbonneau, John A. McMennamy | 1988-04-05 |
| 4712071 | Motor operated valve analysis and testing system | Arthur G. Charbonneau, Dwaine A. Godfrey, John A. McNennamy | 1987-12-08 |
| 4693113 | Motor operated valve analysis and testing system | John A. McNennamy, Arthur G. Charbonneau, Dwaine A. Godfrey | 1987-09-15 |
| 4690003 | Motor operated valve analysis and testing system | John A. McNennamy | 1987-09-01 |
| 4660416 | Motor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device | Arthur G. Charbonneau, John A. McMennamy | 1987-04-28 |
| 4542649 | Motor operated valve analysis and testing system | Arthur G. Charbonneau, Dwaine A. Godfrey, John A. McNennamy | 1985-09-24 |