Inventor
KIRKPATRICK WILLIAM R
US12 patents
Patents
12 patentsUS6574515B1Jun 3, 2003
Two-wire field-mounted process device
ROSEMOUNT INC143 citations98
US6356191B1Mar 12, 2002
Error compensation for a process fluid temperature transmitter
ROSEMOUNT INC113 citations98
US6711446B2Mar 23, 2004
Two-wire field-mounted process device
ROSEMOUNT INC84 citations97
US6045260AApr 4, 2000
Switch for selectively coupling a sensor or calibration element to a terminal block
ROSEMOUNT INC562 citations97
US5669713ASep 23, 1997
Calibration of process control temperature transmitter
ROSEMOUNT INC136 citations97
US5703575ADec 30, 1997
Open sensor diagnostic system for temperature transmitter in a process control system
ROSEMOUNT INC89 citations96
US5546804AAug 20, 1996
Transmitter with moisture draining housing and improved method of mounting RFI filters
ROSEMOUNT INC94 citations96
US4458137AJul 3, 1984
Electric heater arrangement for fluid flow stream sensors
ROSEMOUNT INC68 citations96
US6556145B1Apr 29, 2003
Two-wire fluid temperature transmitter with thermocouple diagnostics
ROSEMOUNT INC57 citations95
US5829876ANov 3, 1998
Calibration of process control temperature transmitter
ROSEMOUNT INC92 citations94
US6961624B2Nov 1, 2005
Two-wire field-mounted process device
ROSEMOUNT INC28 citations92
US4121088AOct 17, 1978
Electrically heated air data sensing device
ROSEMOUNT INC67 citations91