Inventor
FISHER JOSEPH D
10 patents
⚠️ This page may combine multiple inventors who share the name “FISHER JOSEPH D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER ROSEMOUNT SYSTEMS INC
7 patentsUS10554644B2Feb 4, 2020
Two-factor authentication for user interface devices in a process plant
FISHER ROSEMOUNT SYSTEMS INC8 citations83
US9805528B1Oct 31, 2017
Authentication and authorization to control access to process control devices in a process plant
FISHER ROSEMOUNT SYSTEMS INC17 citations82
US10270853B2Apr 23, 2019
Process control communication between a portable field maintenance tool and an asset management system
FISHER ROSEMOUNT SYSTEMS INC9 citations81
US11605037B2Mar 14, 2023
Fleet management system for portable maintenance tools
FISHER ROSEMOUNT SYSTEMS INC2 citations71
US10375162B2Aug 6, 2019
Process control communication architecture
FISHER ROSEMOUNT SYSTEMS INC4 citations70
US10374873B2Aug 6, 2019
Process control communication between a portable field maintenance tool and a process control instrument
FISHER ROSEMOUNT SYSTEMS INC3 citations70
US12530643B2Jan 20, 2026
Fleet management system for portable maintenance tools
FISHER ROSEMOUNT SYSTEMS INC0 citations60