Inventor
FERGUSON ANTHONY
US4 patents
Patents
4 patentsUS10764083B2Sep 1, 2020
Portable field maintenance tool with resistor network for intrinsically safe operation
FISHER ROSEMOUNT SYSTEMS INC2 citations69
US10481627B2Nov 19, 2019
Connection check in field maintenance tool
FISHER ROSEMOUNT SYSTEMS INC2 citations68
US10270215B2Apr 23, 2019
Two-prong plug of a single lead set for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area
FISHER ROSEMOUNT SYSTEMS INC0 citations49
US9709602B2Jul 18, 2017
Method for supplying fieldbus communication and power from a handheld maintenance tool in a hazardous area using a single lead set
FISHER ROSEMOUNT SYSTEMS INC1 citations49