| 9401839 |
Generation and control of network events and conversion to SCADA protocol data types |
Beau Kidwell, Daniel N. Morman |
2016-07-26 |
| 8793767 |
Network access management via a secondary communication channel |
Edmund O. Schweitzer, III, David E. Whitehead, Rhett Smith |
2014-07-29 |
| 5245704 |
System for sharing data between microprocessor based devices |
Joseph Bronikowski, Brian T. Hill, David J. Sackmann |
1993-09-14 |
| 5163151 |
System for processing and prioritizing alarms from devices on data communications network |
Joseph Bronikowski, Brian T. Hill, David J. Sackmann |
1992-11-10 |
| 5159673 |
Apparatus for networking programmable logic controllers to host computers |
David J. Sackmann, Brian T. Hill, Joseph Bronikowski |
1992-10-27 |
| 5151978 |
LAN interface which permits a host computer to obtain data without interrupting a ladder program executing in the interface |
Joseph Bronikowski, Brian T. Hill, David J. Sackmann |
1992-09-29 |
| 5148433 |
Transfer network interface |
David Keith Johnson |
1992-09-15 |
| 5131092 |
Communication system enabling programmable logic controllers access to host computer tasks and host computer access to programmable logic controllers without polling |
David J. Sackmann, Brian T. Hill, Joseph Bronikowski |
1992-07-14 |