Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11573672 | Method for initiating or resuming a mobile control session in a process plant | Mark J. Nixon, Ken J. Beoughter, Daniel D. Christensen | 2023-02-07 |
| 10649413 | Method for initiating or resuming a mobile control session in a process plant | Mark J. Nixon, Ken J. Beoughter, Daniel D. Christensen | 2020-05-12 |
| 9772623 | Securing devices to process control systems | Mark J. Nixon, Ken J. Beoughter, Daniel D. Christensen, Deji Chen | 2017-09-26 |
| 9397836 | Securing devices to process control systems | Mark J. Nixon, Ken J. Beoughter, Daniel D. Christensen, Deji Chen | 2016-07-19 |
| 9285799 | Methods and apparatus to dynamically display data associated with a process control system | Ling Zhou | 2016-03-15 |
| 8825189 | Methods and apparatus to execute an auxiliary recipe and a batch recipe associated with a process control system | Nathan W. Pettus, William G. Irwin, Tusar Nanda | 2014-09-02 |
| 8165700 | Complete integration of stand-alone batch operator interface capabilities into generic human machine interface using componentized objects | Nathan W. Pettus, Tusar Nanda, Aaron C. Jones, William G. Irwin, David L. Deitz +2 more | 2012-04-24 |
| 8150541 | Methods and apparatus to modify a recipe process flow associated with a process control system during recipe execution | Nathan W. Pettus, William G. Irwin, Tusar Nanda | 2012-04-03 |
| 7124190 | Method for verifying chronological integrity of an electronic time stamp | — | 2006-10-17 |
| 7069580 | Function-based process control verification and security in a process control system | David L. Deitz, William G. Irwin, Godfrey R. Sherriff, Diego M. Benavides, Nathan W. Pettus | 2006-06-27 |
| 6978620 | Start-up method for power plant | Gregory Edward Cooper, Jatila Ranasinghe | 2005-12-27 |
| 5649416 | Combined cycle power plant | — | 1997-07-22 |
| 5301499 | Overspeed anticipation and control system for single shaft combined cycle gas and steam turbine unit | Jens Kure-Jensen, William I. Rowen | 1994-04-12 |
| 5199256 | Overspeed protection for a gas turbine/steam turbine combined cycle | — | 1993-04-06 |
| 5099643 | Overspeed protection for a gas turbine/steam turbine combined cycle | — | 1992-03-31 |
| 5069030 | Overspeed protection for a gas turbine/steam turbine combined cycle | — | 1991-12-03 |
| 5058373 | Overspeed protection for a gas turbine/steam turbine combined cycle | — | 1991-10-22 |
| 5042247 | Overspeed protection method for a gas turbine/steam turbine combined cycle | — | 1991-08-27 |
| 5042246 | Control system for single shaft combined cycle gas and steam turbine unit | Jens Kure-Jensen, William I. Rowen | 1991-08-27 |
| 4970659 | Learning aid or game having miniature electronic speech synthesis chip | Paul S. Breedlove, George L. Brantingham, Richard H. Wiggins | 1990-11-13 |
| 4961310 | Single shaft combined cycle turbine | Klaus M. Retzlaff, Kenneth E. Robbins | 1990-10-09 |
| 4960006 | Turning gear engagement device | — | 1990-10-02 |
| 4631748 | Electronic handheld translator having miniature electronic speech synthesis chip | Paul S. Breedlove, George L. Brantingham, Richard H. Wiggins | 1986-12-23 |
| 4629033 | Positive displacement pump utilized in lube oil system for turbomachinery | Sidney J. Woodcock, Charles R. Dumas | 1986-12-16 |
| 4597973 | Process for treating edible nuts and seeds | — | 1986-07-01 |