Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933347 | Industrial controller with program synchronized updating of back-up controller | William B. Cook, Kenneth W. Batcher | 1999-08-03 |
| 5912814 | Redundant multitasking industrial controllers synchronized data tables | — | 1999-06-15 |
| 5777874 | Programmable controller backup system | Bradley J. Bittorf, William B. Cook, D. Alan Graham, Robert D. Law, David Mohnke +2 more | 1998-07-07 |
| 5627745 | Parallel processing in a multitasking industrial controller | — | 1997-05-06 |
| 5428526 | Programmable controller with time periodic communication | Clay White | 1995-06-27 |
| 5287548 | Programmable controller having a stored program with both machine language instructions and source code data | Michael D. Kalan, Charles M. Rischar, Robert R. Sepsi, Jack F. Toma | 1994-02-15 |
| 5193189 | Programmable controller with multiple priority level task processing | Michael D. Kalan, Peter N. Preis, Alden Lloyd Peterson, II | 1993-03-09 |
| 4937777 | Programmable controller with multiple task processors | Michael D. Kalan, Peter N. Preis, Alden Lloyd Peterson, II | 1990-06-26 |
| 4876664 | Programmable controller with a dual intermodule message system | Bradley J. Bittorf, Michael D. Kalan, Robert R. Sepsi | 1989-10-24 |
| 4829297 | Communication network polling technique | Gregory R. S. Ilg, Lester A. Jones | 1989-05-09 |
| 4521871 | Programmable controller with back-up capability | Daniel J. Galdun, Raymond A. Grudowski | 1985-06-04 |