Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949673 | Hybrid centralized and distributed industrial controller | Robert J. Coppenhaver | 1999-09-07 |
| 5896289 | Output weighted partitioning method for a control program in a highly distributed control system | — | 1999-04-20 |
| 5297257 | Distributing a real-time control program to a plurality of input/output nodes | Ernst Dummermuth | 1994-03-22 |
| 5285376 | Fuzzy logic ladder diagram program for a machine or process controller | Ernst Dummermuth, Greggory Cieslak | 1994-02-08 |
| 5089984 | Adaptive alarm controller changes multiple inputs to industrial controller in order for state word to conform with stored state word | Edward Klimas | 1992-02-18 |
| 4888726 | Distributed processing in a cluster of industrial controls linked by a communications network | Barry E. Sammons | 1989-12-19 |
| 4882702 | Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules | Mark Luboski, Timothy J. Murphy | 1989-11-21 |
| 4691296 | Method and apparatus for exchanging multiple data bytes with an I/O module in a single scan. | — | 1987-09-01 |
| 4553224 | Multiplexed data handler for programmable controller | Barry E. Sammons | 1985-11-12 |
| 4527250 | Video computer terminal with detachable intelligent keyboard module | Daniel J. Galdun, Valdis Grants, Ronald A. Brown | 1985-07-02 |
| 4488258 | Programmable controller with control program comments | Jon Gray | 1984-12-11 |
| 4477882 | Communications network for programmable controllers | Gary L. Schumacher, Ronald E. Schultz | 1984-10-16 |
| 4360913 | Multiplexing I/O module | Ronald A. Brown | 1982-11-23 |
| 4322771 | Triac-protected output circuit | — | 1982-03-30 |
| 4302820 | Dual language programmable controller | Ronald E. Schultz, Barry E. Sammons | 1981-11-24 |
| 4293924 | Programmable controller with high density intelligent I/O interface | Ronald A. Brown, Craig Black | 1981-10-06 |
| 4291388 | Programmable controller with data archive | Donald Ecker, Ernst Dummermuth | 1981-09-22 |
| 4282584 | Mini-programmable controller | Ronald A. Brown, Sung C. Hu | 1981-08-04 |
| 4275307 | Input circuit for digital control systems | Joseph R. Branc | 1981-06-23 |
| 4266281 | Microprogrammed programmable controller | Ernst Dummermuth | 1981-05-05 |
| 4250563 | Expandable programmable controller | — | 1981-02-10 |
| 4200915 | Program loader for programmable controller | Valdis Grants, Raymond A. Grudowski | 1980-04-29 |