Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508055 | Safety critical control system that includes control logic or machine readable instructions that selectively locks or enables the control system based on one or more machine implemented state machines that includes states associated with detection or matching of one or more predetermined signals on distinct conduction paths between elements of the control system and related methods | William Reed, Dan Duval, Alan Ford, Chris Williams | 2019-12-17 |
| 9599970 | Safety critical control system that includes control logic or machine readable instructions that selectively locks or enables the control system based on one or more machine implemented state machines that includes states associated with detection or matching of one or more predetermined signals on distinct conduction paths between elements of the control system and related methods | William Reed, Dan Duval, Alan Ford, Chris Williams | 2017-03-21 |
| 8627878 | System and method for non-contact sensing to minimize leakage between process streams in an air preheater | William C. Cox, Kevin J. O'Boyle | 2014-01-14 |
| 4694968 | Tightly sealing safety cap | Edward J. Towns, Edward M. Brown | 1987-09-22 |