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Method of manufacturing a welded tubular section using in-line notching and trimming initiated after roll-forming and welding Grant 10,081,081 - Brestovansky , et al. September 25, 2 | 2018-09-25 |
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Easy grip, readily removable and reusable self-locking oil pan plug Grant 8,701,915 - Stevenson April 22, 2 | 2014-04-22 |
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Simulation system for multi-node process control systems Grant 7,392,165 - Nixon , et al. June 24, 2 | 2008-06-24 |
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On-line device testing block integrated into a process control/safety system App 20040199351 - Ott, Michael G. ;   et al. | 2004-10-07 |
Function block implementation of a cause and effect matrix for use in a process safety system App 20040193290 - Ott, Michael ;   et al. | 2004-09-30 |
Simulation system for multi-node process control systems App 20040078182 - Nixon, Mark ;   et al. | 2004-04-22 |
Process control system using a process control strategy distributed among multiple control elements App 20020013629 - Nixon, Mark ;   et al. | 2002-01-31 |
Process control system using standard protocol control-of standard devices and non-standard devices Grant 6,266,726 - Nixon , et al. July 24, 2 | 2001-07-24 |
Process control system using a process control strategy distributed among multiple control elements Grant 6,195,591 - Nixon , et al. February 27, 2 | 2001-02-27 |
Process control system for versatile control of multiple process devices of various device types Grant 6,032,208 - Nixon , et al. February 29, 2 | 2000-02-29 |
Process control system using a process control strategy distributed among multiple control elements Grant 5,909,368 - Nixon , et al. June 1, 1 | 1999-06-01 |
Process control system using a control strategy implemented in a layered hierarchy of control modules Grant 5,862,052 - Nixon , et al. January 19, 1 | 1999-01-19 |
Process control system using standard protocol control of standard devices and nonstandard devices Grant 5,828,851 - Nixon , et al. October 27, 1 | 1998-10-27 |
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