Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9436641 | Switch fabric having a serial communications interface and a parallel communications interface | Albert Rooyakkers | 2016-09-06 |
| 9191203 | Secure industrial control system | Albert Rooyakkers, Samuel Galpin, Timothy Clish | 2015-11-17 |
| 8971072 | Electromagnetic connector for an industrial control system | Albert Rooyakkers | 2015-03-03 |
| 8868813 | Communications control system with a serial communications interface and a parallel communications interface | Albert Rooyakkers, Pirooz Parvarandeh | 2014-10-21 |
| 8862802 | Switch fabric having a serial communications interface and a parallel communications interface | Albert Rooyakkers | 2014-10-14 |
| 8514964 | Control system methods and apparatus for inductive communication across an isolation barrier | — | 2013-08-20 |
| 8208577 | Control system methods and apparatus for inductive communication across an isolation barrier | — | 2012-06-26 |
| 8203457 | Portable currency reader and process for detection of currency value | David Vito Emello, Steven S. Heflin | 2012-06-19 |
| 7684475 | Control system methods and apparatus for inductive communication across an isolation barrier | — | 2010-03-23 |
| 7372914 | Control system methods and apparatus for inductive communication across an isolation barrier | — | 2008-05-13 |
| 6507283 | Self-validating output module | — | 2003-01-14 |
| 6244744 | Three-wire RTD interface | — | 2001-06-12 |
| 5805094 | Analog interface circuits for process controllers and process monitors | Kevin Roach | 1998-09-08 |
| 5416480 | Analog interface circuits for process controllers and process monitors | Kevin Roach, David Littlejohn | 1995-05-16 |