Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457367 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Roger L. Frick, Robert C. Hedtke +5 more | 2002-10-01 |
| 6176779 | Cotton compactor control | James William Riesterer | 2001-01-23 |
| 6006338 | Process transmitter communication circuit | Randy Longsdorf, Grant Bradley Edwards, David L. Pederson | 1999-12-21 |
| 5973942 | Start up circuit for DC powered field instrument | John A. Kielb | 1999-10-26 |
| 5672975 | Two-wire level transmitter | John A. Kielb, Scott D. Manicor | 1997-09-30 |
| 5586368 | Locking attachment | — | 1996-12-24 |
| 5562300 | Jogging stroller | — | 1996-10-08 |
| 5522214 | Flexure bearing support, with particular application to stirling machines | Carl Beckett, Victor C. Lauhala, Ron Neely, Laurence B. Penswick, Darren C. Ritter +1 more | 1996-06-04 |
| 5323289 | Lightning protection for field mounted instruments | Randy Longsdorf | 1994-06-21 |
| 5318530 | Gastrointestinal tube with inflatable bolus | — | 1994-06-07 |
| 5275249 | Raisable hood plate mechanism | — | 1994-01-04 |
| 5227782 | Hydrostatic interface unit | — | 1993-07-13 |
| 5187474 | Digital converter apparatus for improving the output of a two-wire transmitter | John A. Kielb, David L. Pederson | 1993-02-16 |
| 5078701 | Wire guided intestinal catheter | Clement J. Grassi | 1992-01-07 |
| 4906352 | Improved tensioning assembly for vibratory screens | — | 1990-03-06 |
| 4676778 | Long intestinal catheter with sump | — | 1987-06-30 |
| 4368739 | Long intestinal catheter | — | 1983-01-18 |
| 4317139 | Facsimile apparatus and method of operation | — | 1982-02-23 |
| 4297376 | Corn-based snack product of nut-like consistency | Walter P. Nelson | 1981-10-27 |
| 4241649 | Apparatus for making filled food product | Walter P. Nelson | 1980-12-30 |
| 4226229 | Anatomy testing device | Thomas D. Eckhart, Jack M. Hoglan | 1980-10-07 |