Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978386 | Method and apparatus for regulating current for programmable logic controllers | Donald A. Gates, Edwin Thurnau | 2005-12-20 |
| 6816919 | Method and system for configuring input/output points | Edwin Thurnau, Derald Herinckx | 2004-11-09 |
| 6529032 | Methods and apparatus for full I/O functionality and blocking of backdrive current | Ancil B. Cruickshank, A. Alan Tuten, Michael G. Smith, Joseph J. Cieri | 2003-03-04 |
| 5093804 | Programmable controller input/output communications system | Joseph J. Cieri, Mark Kocher, Kenneth M. Holet, Michael J. Tuso | 1992-03-03 |
| 4951250 | Combined input/output circuit for a programmable controller | Ancil B. Cruickshank, Mark Kocher, Michael J. Tuso | 1990-08-21 |
| 4933869 | Programmable threshold data detection system | Mark Kocher | 1990-06-12 |
| 4872136 | Programmable controller input/output communications system | Joseph J. Cieri, Mark Kocher, Kenneth M. Holet, Michael J. Tuso | 1989-10-03 |
| 4752886 | Method for on-line testing of load control circuitry and the associated load | — | 1988-06-21 |
| 4628397 | Protected input/output circuitry for a programmable controller | Mark Kocher | 1986-12-09 |
| 4593380 | Dual function input/output for a programmable controller | Mark Kocher, William J. Ketelhut, Charles E. Konrad | 1986-06-03 |
| 4500818 | Dual motor proportioning control | Charles E. Konrad, Amratlal C. Lodhia | 1985-02-19 |
| 4450427 | Contactor with flux sensor | — | 1984-05-22 |
| 4434450 | Controlled flux contactor | — | 1984-02-28 |