Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11955296 | Electrical switch contact sets | Michael J. Simmons | 2024-04-09 |
| 11837421 | Switch actuator adapter | Michael J. Simmons | 2023-12-05 |
| 11456134 | Magnetic reed switch assembly and method | Michael J. Simmons | 2022-09-27 |
| 11443905 | High temperature switch apparatus | Anthony Wayne Klosterman, Michael J. Simmons | 2022-09-13 |
| 11417475 | Electrical switch contact sets | Michael J. Simmons | 2022-08-16 |
| 10851814 | Valve signature diagnosis and leak test device | Bruce R. Penning, Jingli Li, Bruce Rigsby | 2020-12-01 |
| 10344782 | Valve signature diagnosis and leak test device | Bruce R. Penning, Jingli Li, Bruce Rigsby | 2019-07-09 |
| 10298229 | Switch adapter | Gregory Curtis Merrifield, Michael J. Simmons | 2019-05-21 |
| 10020147 | Double pole-double throw proximity switch | Gregory Curtis Merrifield | 2018-07-10 |
| 10003333 | Method of manufacturing an enclosed proximity switch assembly | Gregory Curtis Merrifield, Michael J. Simmons, Brian Phillip Pate | 2018-06-19 |
| 9882326 | Configurable switch emulator module | Scott Carpenter | 2018-01-30 |
| 9754743 | Actuation apparatus for magnetically-triggered proximity switches | Brian Hampton, James McDill, Bruce Rigsby, Michael J. Simmons | 2017-09-05 |
| 9541214 | Switching module for a valve controller | Bruce R. Penning, Bruce Rigsby, Scott Carpenter | 2017-01-10 |
| 9460875 | Magnetic switch actuators | Bruce R. Penning, Michael J. Simmons | 2016-10-04 |
| 9368302 | Double pole-double throw proximity switch | Gregory Curtis Merrifield | 2016-06-14 |
| 9202650 | Quick disconnect connector assembly | Gregory Curtis Merrifield | 2015-12-01 |
| 9116514 | Configurable process control device with electronic display assembly | — | 2015-08-25 |
| 9053880 | Double pole-double throw proximity switch | Gregory Curtis Merrifield | 2015-06-09 |
| 8905371 | Valve signature diagnosis and leak test device | Bruce R. Penning, Jingli Li, Bruce Rigsby | 2014-12-09 |
| 8866571 | Enclosed proximity switch assembly | Gregory Curtis Merrifield, Michael J. Simmons, Brian Phillip Pate | 2014-10-21 |
| 8814133 | Automatic speed searching device and method for a partial stroke test of a control valve | Jingli Li, Bruce Rigsby, Bruce R. Penning | 2014-08-26 |
| 8766751 | Proximity switch | Gregory Curtis Merrifield | 2014-07-01 |
| 8593241 | Enclosed proximity switch assembly | Gregory Curtis Merrifield, Brian Phillip Pate, Michael J. Simmons | 2013-11-26 |
| 8362859 | Magnetically-triggered proximity switch | Joel Pearce, Michael J. Simmons | 2013-01-29 |
| 8264309 | Adjustable magnetic target | Xueguang Bi, Michael J. Simmons | 2012-09-11 |