Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693606 | Diagnostics for mass flow control | Anis Ahmad | 2010-04-06 |
| 7590511 | Field device for digital process control loop diagnostics | Richard A. Lewis, Donald R. Lattimer | 2009-09-15 |
| 7464721 | Process equipment validation | Dale Henry Perry, Mark S. Schumacher, Randy Longsdorf | 2008-12-16 |
| 7321846 | Two-wire process control loop diagnostics | Randy Longsdorf, Donald R. Lattimer | 2008-01-22 |
| 7280048 | Process control loop current verification | Randy Longsdorf, James A. Johnson | 2007-10-09 |
| 7187158 | Process device with switching power supply | James A. Johnson, Jonathon Jongsma | 2007-03-06 |
| 7098798 | Process device with loop override | Randy Longsdorf | 2006-08-29 |
| 7046180 | Analog-to-digital converter with range error detection | Jonathon Jongsma | 2006-05-16 |
| 7018800 | Process device with quiescent current diagnostics | Randy Longsdorf | 2006-03-28 |
| 5353200 | Process transmitter with inner conductive cover for EMI shielding | Joel J. Bodin, Theodore L. Johnson, William C. Rauth | 1994-10-04 |