Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D950406 | Handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2022-05-03 |
| D885215 | Handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2020-05-26 |
| 10585422 | Portable field maintenance tool system having interchangeable functional modules | Alden C. Russell, III, Brad N. Mathiowetz, Todd M. Toepke, Stephen Armstrong | 2020-03-10 |
| 10481627 | Connection check in field maintenance tool | Christian R. Butikofer, Anthony D. Ferguson, Christopher P. Kantzes, Jon Westbrock, Thinh D. Le +3 more | 2019-11-19 |
| D856831 | Handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2019-08-20 |
| 10374873 | Process control communication between a portable field maintenance tool and a process control instrument | Todd M. Toepke, Joseph D. Fisher, James R. Logerquist, Stephen Armstrong, Laura Briggs +1 more | 2019-08-06 |
| 10270853 | Process control communication between a portable field maintenance tool and an asset management system | Todd M. Toepke, Joseph D. Fisher, James R. Logerquist, Alden C. Russell, III, Laura Briggs +1 more | 2019-04-23 |
| 10270215 | Two-prong plug of a single lead set for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area | Alden C. Russell, III, Roger Benson, Anthony D. Ferguson, Todd M. Toepke | 2019-04-23 |
| D818857 | Handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2018-05-29 |
| 9709602 | Method for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area using a single lead set | Alden C. Russell, III, Roger Benson, Anthony D. Ferguson, Todd M. Toepke | 2017-07-18 |
| D790997 | Handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2017-07-04 |
| 9684296 | Handheld field maintenance tool with improved functionality | Alden C. Russell, III, Todd M. Toepke, Joseph Citrano, III | 2017-06-20 |
| 9532232 | Detection and location of wireless field devices | Joseph Citrano, III, Todd M. Toepke, Alden C. Russell, III, Eric D. Rotvold | 2016-12-27 |
| 9503906 | Detection and location of wireless field devices | Joseph Citrano, III, Todd M. Toepke, Alden C. Russell, III, Eric D. Rotvold | 2016-11-22 |
| D764329 | Plug for and a handheld maintenance tool | Todd M. Toepke, Tom Johnson | 2016-08-23 |
| 9210581 | Maintenance of wireless field devices | Todd M. Toepke, Joseph Citrano, III, Alden C. Russell, III, Eric D. Rotvold | 2015-12-08 |
| 8364431 | Field device calibration | Alden C. Russell, III | 2013-01-29 |
| 8224256 | Wireless field maintenance adapter | Joseph Citrano, III, Todd M. Toepke, Alden C. Russell, III, Stephen Armstrong, Craig T. Llewellyn +2 more | 2012-07-17 |
| 7426452 | Dual protocol handheld field maintenance tool with radio-frequency communication | Martin Zielinski, Alden C. Russell, III | 2008-09-16 |
| 7117122 | Field maintenance tool | Martin Zielinski, Daniel E. Vande Vusse, Kun Yang, Alden C. Russell, III | 2006-10-03 |
| 7027952 | Data transmission method for a multi-protocol handheld field maintenance tool | Moises DelaCruz, Daniel E. Vande Vusse, Kun Yang, Gregory J. Opheim | 2006-04-11 |
| 6889166 | Intrinsically safe field maintenance tool | Martin Zielinski, Daniel E. Vande Vusse, Kun Yang, Alden C. Russell, III | 2005-05-03 |