Inventor
DEWEY ALAN R
US14 patents
⚠️ This page may combine multiple inventors who share the name “DEWEY ALAN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER ROSEMOUNT SYSTEMS INC
13 patentsUS6889166B2May 3, 2005
Intrinsically safe field maintenance tool
FISHER ROSEMOUNT SYSTEMS INC55 citations95
USD885215SMay 26, 2020
Handheld maintenance tool
FISHER ROSEMOUNT SYSTEMS INC12 citations93
US7117122B2Oct 3, 2006
Field maintenance tool
FISHER ROSEMOUNT SYSTEMS INC31 citations91
US7027952B2Apr 11, 2006
Data transmission method for a multi-protocol handheld field maintenance tool
FISHER ROSEMOUNT SYSTEMS INC24 citations90
US7426452B2Sep 16, 2008
Dual protocol handheld field maintenance tool with radio-frequency communication
FISHER ROSEMOUNT SYSTEMS INC33 citations88
USD856831SAug 20, 2019
Handheld maintenance tool
FISHER ROSEMOUNT SYSTEMS INC5 citations83
USD818857SMay 29, 2018
Handheld maintenance tool
FISHER ROSEMOUNT SYSTEMS INC8 citations83
US10270853B2Apr 23, 2019
Process control communication between a portable field maintenance tool and an asset management system
FISHER ROSEMOUNT SYSTEMS INC9 citations81
US8364431B2Jan 29, 2013
Field device calibration
FISHER ROSEMOUNT SYSTEMS INC17 citations80
US10374873B2Aug 6, 2019
Process control communication between a portable field maintenance tool and a process control instrument
FISHER ROSEMOUNT SYSTEMS INC3 citations70
US10481627B2Nov 19, 2019
Connection check in field maintenance tool
FISHER ROSEMOUNT SYSTEMS INC2 citations68
US9503906B2Nov 22, 2016
Detection and location of wireless field devices
FISHER ROSEMOUNT SYSTEMS INC1 citations61
US10585422B2Mar 10, 2020
Portable field maintenance tool system having interchangeable functional modules
FISHER ROSEMOUNT SYSTEMS INC0 citations37