Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10862535 | Methods, systems, and devices for coupling a modulated voltage signal to a current loop using a variable impedance bridge | Alan Carroll Lovell | 2020-12-08 |
| 10436843 | Programmable current sink for contact input circuits | Alan Carroll Lovell | 2019-10-08 |
| 10014872 | Universal input and output interface | Alan Carroll Lovell | 2018-07-03 |
| 9008197 | Current loop voltage modulator for communication interface | Daniel Milton Alley, Vitaly Alexandrovich Tkachuk, Longhui Shen, Ye Xu, Alan Carroll Lovell | 2015-04-14 |
| 4788653 | Digital filter for power system stabilizer | Rainer Hanisch | 1988-11-29 |