Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890298 | Liquid detection device with wireless communicator | — | 2021-01-12 |
| 10240687 | Methods and apparatus of testing a solenoid valve of an emergency valve via a positioner | Kenneth W. Junk, Shannon Eugene Jelken, Jimmie L. Snowbarger | 2019-03-26 |
| 10007279 | Valve positioner with overpressure protection capabilities | Lorin Dion Miller, Jimmie L. Snowbarger, Adam Joseph Wittkop | 2018-06-26 |
| 9465391 | Valve positioner with overpressure protection capabilities | Lorin Dion Miller, Jimmie L. Snowbarger, Adam Joseph Wittkop | 2016-10-11 |
| 9008804 | Method and apparatus for operating field devices via a portable communicator | Kenneth W. Junk | 2015-04-14 |
| 8910665 | Methods and apparatus for bypassing a positioner in an active control loop | Perry K. Carter | 2014-12-16 |
| 8421643 | Automatic valve seating integrity test | — | 2013-04-16 |
| 6895351 | Regulator flow measurement apparatus | Paul Adams | 2005-05-17 |
| 6725167 | Flow measurement module and method | Paul Adams | 2004-04-20 |
| 6192321 | Method of and apparatus for deterministically obtaining measurements | Kenneth W. Junk, Jimmie L. Snowbarger, Eugene R. Taylor, Jr. | 2001-02-20 |
| 6186167 | Emergency shutdown test system | Stephen G. Seberger | 2001-02-13 |
| 6023763 | Method of and apparatus for protecting and upgrading software using a removable hardlock | Patrick Ryan | 2000-02-08 |
| 5966679 | Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter | Jimmie L. Snowbarger, Eugene R. Taylor, Jr., Kenneth W. Junk | 1999-10-12 |
| 5687098 | Device data acquisition | Bruce Johnson, Jimmie L. Snowbarger | 1997-11-11 |
| 5684451 | Communication system and method | Stephen G. Seberger, George W. Gassman | 1997-11-04 |
| 5502999 | Electro-pneumatic converter calibration | Stephen G. Seberger, George W. Gassman | 1996-04-02 |
| 5451923 | Communication system and method | Stephen G. Seberger, George W. Gassman | 1995-09-19 |