Keyes; Marion A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keyes; Marion A..The latest application filed is for "economic calculations in a process control system".
- Keyes; Marion A. - St. Louis MO
- Keyes; Marion A. - Chagrin Falls OH
| Patent | Date |
|---|---|
| Economic calculations in a process control system Grant 8,417,595 - Keyes , et al. April 9, 2 | 2013-04-09 |
| Economic Calculations In A Process Control System App 20100293019 - Keyes; Marion A. ; et al. | 2010-11-18 |
| Economic Calculations In A Process Control System App 20100286798 - Keyes; Marion A. ; et al. | 2010-11-11 |
| Economic calculations in process control system Grant 7,720,727 - Keyes , et al. May 18, 2 | 2010-05-18 |
| Shared-use data processing for process control systems Grant 7,568,000 - Keyes , et al. July 28, 2 | 2009-07-28 |
| Anticipatory high frequency noise compensation in a distributed process control system Grant 7,103,426 - Keyes September 5, 2 | 2006-09-05 |
| Generator monitoring, control and efficiency Grant 6,983,640 - Staphanos , et al. January 10, 2 | 2006-01-10 |
| Generator monitoring, control and efficiency App 20050188745 - Staphanos, Stephen T. ; et al. | 2005-09-01 |
| Generator monitoring, control and efficiency Grant 6,912,889 - Staphanos , et al. July 5, 2 | 2005-07-05 |
| Generator monitoring, control and efficiency App 20050072220 - Staphanos, Stephen T. ; et al. | 2005-04-07 |
| Chemical analyzer for sulfur App 20050069455 - Staphanos, Stephen T. ; et al. | 2005-03-31 |
| Oxygen analyzer with enhanced calibration and blow-back Grant 6,862,915 - Staphanos , et al. March 8, 2 | 2005-03-08 |
| Economic calculations in process control system App 20040204775 - Keyes, Marion A. ; et al. | 2004-10-14 |
| Oxygen analyzer with enhanced calibration and blow-back App 20040182133 - Staphanos, Stephen J. ; et al. | 2004-09-23 |
| Anticipatory high frequency noise compensation in a distributed process control system App 20040148038 - Keyes, Marion A. | 2004-07-29 |
| Mass flow control in a process gas analyzer App 20030085714 - Keyes, Marion A. ; et al. | 2003-05-08 |
| Shared-use data processing for process control systems App 20030041135 - Keyes, Marion A. ; et al. | 2003-02-27 |
| Emission monitoring system probe assembly for high-temperature applications App 20020196836 - Staphanos, Stephen T. ; et al. | 2002-12-26 |
| Generator monitoring, control and efficiency App 20020134083 - Staphanos, Stephen T. ; et al. | 2002-09-26 |
| Exception processing of operator displays Grant 4,792,888 - Agarwal , et al. December 20, 1 | 1988-12-20 |
| System for direct comparison and selective transmission of a plurality of discrete incoming data Grant 4,751,673 - Agarwal , et al. June 14, 1 | 1988-06-14 |
| Mass and velocity flowmeter Grant 4,462,261 - Keyes , et al. July 31, 1 | 1984-07-31 |
| Load control for energy converters Grant 4,435,650 - Dziubakowski , et al. March 6, 1 | 1984-03-06 |
| SEC | 0001245454 | KEYES MARION A |
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