Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10764083 | Portable field maintenance tool with resistor network for intrinsically safe operation | Mehul Rajeshbhai Dalal, Anthony D. Ferguson, Todd M. Toepke | 2020-09-01 |
| 10599134 | Portable field maintenance tool configured for multiple process control communication protocols | Anthony D. Ferguson, Todd M. Toepke | 2020-03-24 |
| 10505585 | Portable field maintenance tool with a bus for powering and communicating with a field device | Anthony D. Ferguson, Mehul Rajeshbhai Dalal, Sameer Gorivale | 2019-12-10 |
| 10270215 | Two-prong plug of a single lead set for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area | Alan R. Dewey, Alden C. Russell, III, Anthony D. Ferguson, Todd M. Toepke | 2019-04-23 |
| 9709602 | Method for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area using a single lead set | Alan R. Dewey, Alden C. Russell, III, Anthony D. Ferguson, Todd M. Toepke | 2017-07-18 |