Inventor
JUNK KENNETH W
US42 patents
⚠️ This page may combine multiple inventors who share the name “JUNK KENNETH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER CONTROLS INT LLC
18 patentsUS9611873B2Apr 4, 2017
Pressure control for partial stroke tests
FISHER CONTROLS INT LLC7 citations84
US9881250B2Jan 30, 2018
Methods and apparatus for RFID communications in a process control system
FISHER CONTROLS INT LLC8 citations83
US9989159B2Jun 5, 2018
Vent assembly and method for a digital valve positioner
FISHER CONTROLS INT LLC13 citations79
US10480681B2Nov 19, 2019
Partial stroke tests for shutdown valves
FISHER CONTROLS INT LLC2 citations73
US10316988B2Jun 11, 2019
Pressure control for calibrating process control devices
FISHER CONTROLS INT LLC4 citations73
US9811081B2Nov 7, 2017
Emergency test control panel device, system and method
FISHER CONTROLS INT LLC2 citations73
US11003976B2May 11, 2021
Methods and apparatus for RFID communications in a process control system
FISHER CONTROLS INT LLC1 citations72
US10325197B2Jun 18, 2019
Methods and apparatus for RFID communications in a process control system
FISHER CONTROLS INT LLC2 citations72
US10228066B2Mar 12, 2019
Vent assembly and method for a digital valve positioner
FISHER CONTROLS INT LLC2 citations68
US11719360B2Aug 8, 2023
Partial stroke tests for shutdown valves
FISHER CONTROLS INT LLC0 citations62
US11300228B2Apr 12, 2022
Partial stroke tests for shutdown valves
FISHER CONTROLS INT LLC0 citations62
US10935161B2Mar 2, 2021
Control valve with guide vane
FISHER CONTROLS INT LLC1 citations61
US11327450B2May 10, 2022
Methods and apparatus for multimode rest communications in process control systems
FISHER CONTROLS INT LLC0 citations60
US10303134B2May 28, 2019
Methods and apparatus for multimode RFST communications in process control systems
FISHER CONTROLS INT LLC1 citations60
US12074653B2Aug 27, 2024
Wireless universal interface
FISHER CONTROLS INT LLC0 citations59
US9677578B2Jun 13, 2017
Volume booster with stabilized trim
FISHER CONTROLS INT LLC0 citations50
US11028864B2Jun 8, 2021
Method and apparatus for controlling a double-acting pneumatic actuator
FISHER CONTROLS INT LLC0 citations47
US10386862B2Aug 20, 2019
Cut-off transition for control valve positioners
FISHER CONTROLS INT LLC0 citations36
FISHER CONTROLS INT
14 patentsUS6128541AOct 3, 2000
Optimal auto-tuner for use in a process control network
FISHER CONTROLS INT103 citations98
US6466893B1Oct 15, 2002
Statistical determination of estimates of process control loop parameters
FISHER CONTROLS INT116 citations97
US6804618B2Oct 12, 2004
Detection and discrimination of instabilities in process control loops
FISHER CONTROLS INT51 citations96
US6192321B1Feb 20, 2001
Method of and apparatus for deterministically obtaining measurements
FISHER CONTROLS INT85 citations96
US6678584B2Jan 13, 2004
Method and apparatus for performing diagnostics in a control loop of a control valve
FISHER CONTROLS INT54 citations95
US5966679AOct 12, 1999
Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
FISHER CONTROLS INT68 citations95
US7516043B2Apr 7, 2009
Triggered field device data collection in a process control system
FISHER CONTROLS INT24 citations92
US7458310B2Dec 2, 2008
Asymmetric volume booster arrangement for valve actuator
FISHER CONTROLS INT20 citations92
US7039537B2May 2, 2006
Detection and discrimination of instabilities in process control loops
FISHER CONTROLS INT17 citations92
US6999853B2Feb 14, 2006
Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
FISHER CONTROLS INT23 citations92
US6954683B2Oct 11, 2005
Method and apparatus for performing diagnostics in a control loop of a control valve
FISHER CONTROLS INT35 citations92
US7845268B2Dec 7, 2010
Asymmetric volume booster arrangement for valve actuators
FISHER CONTROLS INT6 citations74
US7349745B2Mar 25, 2008
Lead-lag input filter arrangement with adjustable initial conditions for electro-pneumatic control loops
FISHER CONTROLS INT8 citations74
US7593802B2Sep 22, 2009
Lead-lag input filter arrangement for electro-pneumatic control loops
FISHER CONTROLS INT1 citations51
JUNK KENNETH W
5 patentsUS9008804B2Apr 14, 2015
Method and apparatus for operating field devices via a portable communicator
JUNK KENNETH W10 citations82
US9124999B2Sep 1, 2015
Method and apparatus for wireless communications in a process control or monitoring environment
JUNK KENNETH W4 citations72
US9013412B2Apr 21, 2015
User interface for a portable communicator for use in a process control environment
JUNK KENNETH W2 citations62
US9188140B2Nov 17, 2015
Bypass arrangement for valve actuator
JUNK KENNETH W0 citations51
US9201416B2Dec 1, 2015
Asset data modules including an integral near field communication interface
JUNK KENNETH W0 citations39