Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11716178 | Safety rated input module for an industrial controller | John O'Connell, Jared Bell | 2023-08-01 |
| 11496254 | System and method for testing filters in redundant signal paths | John O'Connell, Jared Bell | 2022-11-08 |
| 10432412 | Process control device using power over ethernet with configurable analog and digital interface | Shawn Hinchy | 2019-10-01 |
| 10366033 | Automated retrofit installation tool for replacement of one or more pre-existing dedicated input/output (I/O) modules and terminal boards with one or more universal I/O modules | Roy Anthony Carter, Joshua Sherman | 2019-07-30 |
| 10338548 | Logic based simplex/dual/TMR driver for control outputs | — | 2019-07-02 |
| 9940285 | Configurable IO-channel system with embedded microcontroller | Alan Carroll Lovell | 2018-04-10 |
| 9228905 | RTD measurement device | — | 2016-01-05 |
| 9158728 | Systems and methods for improved linking of master and slave devices | Stephen Emerson Douthit | 2015-10-13 |
| 9148239 | Systems and methods for programmatically filtering frequency signals | — | 2015-09-29 |
| 9128726 | Systems and methods for interfacing master and slave processors | Xiaomin Hu, Ye Xu | 2015-09-08 |
| 9116531 | Methods and systems for current output mode configuration of universal input-output modules | — | 2015-08-25 |
| 9057743 | Apparatus and method for wetting current measurement and control | — | 2015-06-16 |
| 9008197 | Current loop voltage modulator for communication interface | Bruce Henderson, Vitaly Alexandrovich Tkachuk, Longhui Shen, Ye Xu, Alan Carroll Lovell | 2015-04-14 |
| 8943250 | Systems and methods for concatenating multiple devices | — | 2015-01-27 |
| 8924600 | Programmable universal IO interface | Naresh Kesavan Rao, Alan Paul Mathason, Feng Chen, Stephen Emerson Douthit | 2014-12-30 |
| 8847674 | Systems and methods for power limiting for a programmable I/O device | — | 2014-09-30 |
| 8806085 | Application specific integrated circuit (ASIC) disposed in input/output module connectable to programmable logic controller (PLC) based systems having plurality of connection paths | Alan Paul Mathason, Stephen Emerson Douthit | 2014-08-12 |
| 8768635 | Systems and methods for determining electrical faults | Parag Vishwanath Acharya | 2014-07-01 |
| 8756023 | Systems and methods for determining electrical ground faults | Parag Vishwanath Acharya | 2014-06-17 |
| 8688862 | Systems and methods for monitoring input signal parameters | — | 2014-04-01 |
| 8625295 | Fieldbus interface circuit board supporting multiple interface types and terminations | Longhui Shen, Ye Xu | 2014-01-07 |
| 8373586 | Configurable analog input circuit | Ye Xu | 2013-02-12 |
| 8073991 | Isolated HART interface with programmable data flow | Mark Eugene Shepard | 2011-12-06 |
| 8009078 | Configurable analog input channel with galvanic isolation | — | 2011-08-30 |
| 6487264 | RF modem apparatus | Jimmy Chess, Roger W. Dickerson, Thomas C. Nguyen | 2002-11-26 |