Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129762 | Wheelchair and bed combination and method of use | Arthur Ray Latney | 2021-09-28 |
| RE35918 | Stem load determining system | Paul G. Anderson | 1998-10-13 |
| 5159835 | Check valve testing system | Steven Nafziger | 1992-11-03 |
| 5154080 | Integrated check valve testing system | Gary L. Hill, Charles A. Burton, Steven Nafziger | 1992-10-13 |
| 5056374 | Quickly installed load measuring apparatus and associated system | Bruce T. Boone, James H. Jenkins, Jr. | 1991-10-15 |
| 4977778 | Check valve testing system | Steven Nafziger | 1990-12-18 |
| 4936150 | Strain follower | Andrew Burke, Thomas A. Rak, Paul G. Anderson | 1990-06-26 |
| 4930228 | Stem load determining system | Paul G. Anderson | 1990-06-05 |
| 4912984 | Quickly installed load measuring apparatus and associated system | Bruce T. Boone, James H. Jenkins, Jr. | 1990-04-03 |
| 4860596 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | Arthur G. Charbonneau, Steven Nafziger | 1989-08-29 |
| 4852416 | Ultrasonic testing system with variable angle transducer mount | Bruce T. Boone, Steven Nafziger, Thomas A. Rak | 1989-08-01 |
| 4787245 | Torque measuring apparatus for valve operating system | Paul G. Anderson | 1988-11-29 |
| 4782702 | Ultrasonic testing system with variable angle transducer mount | Bruce T. Boone, Steven Nafziger, Thomas A. Rak | 1988-11-08 |
| 4759224 | Torque measuring system for motor operated valve operators | Arthur G. Charbonneau, Steven Nafziger | 1988-07-26 |
| 4750576 | Continuous flow weighing apparatus | — | 1988-06-14 |
| 4735101 | Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post | Arthur G. Charbonneau, Steven Nafziger | 1988-04-05 |
| 4660416 | Motor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device | Arthur G. Charbonneau, Steven Nafziger | 1987-04-28 |