Assignee
BRISTOL INC
US24 patents
Top patents by PatentIndex Score
US10360125B2Jul 23, 2019
Methods and apparatus to communicatively couple field devices to a remote terminal unit
BRISTOL INC9 citations79
US10095594B2Oct 9, 2018
Methods and apparatus to implement communications via a remote terminal unit
BRISTOL INC8 citations79
US9430429B2Aug 30, 2016
Methods and apparatus to identify a communication protocol being used in a process control system
BRISTOL INC4 citations73
US9086442B2Jul 21, 2015
Methods and apparatus to detect leakage current in a resistance temperature detector
BRISTOL INC7 citations73
US10465493B2Nov 5, 2019
Automated wash method for a progressing cavity pump system
BRISTOL INC2 citations69
US10352149B2Jul 16, 2019
Methods and apparatus to determine production of downhole pumps
BRISTOL INC2 citations69
US10204311B2Feb 12, 2019
Configuring workflows in a host device operating in a process control system
BRISTOL INC9 citations69
US10094371B2Oct 9, 2018
Methods and apparatus to determine operating parameters of a pumping unit for use with wells
BRISTOL INC4 citations69
US9658097B2May 23, 2017
Systems and methods to initiate a verification test within a flow meter via a flow computer
BRISTOL INC7 citations68
US9825818B2Nov 21, 2017
Device hierarchy building for a remote terminal unit
BRISTOL INC3 citations64
US9563187B2Feb 7, 2017
Methods and apparatus to display information via a process control device
BRISTOL INC2 citations63
US9124446B2Sep 1, 2015
Methods and apparatus to implement a remote terminal unit network
BRISTOL INC5 citations62
US10371142B2Aug 6, 2019
Methods and apparatus for pairing rod pump controller position and load values
BRISTOL INC1 citations59
US9984022B2May 29, 2018
Method and apparatus to identify a communication protocol being used in a process control system
BRISTOL INC0 citations52
US10689963B2Jun 23, 2020
Automated wash systems for a progressing cavity pump system
BRISTOL INC0 citations48
US10408206B2Sep 10, 2019
Methods and apparatus to determine parameters of a pumping unit for use with wells
BRISTOL INC0 citations48
US9835149B2Dec 5, 2017
Methods and apparatus to calibrate rod pump controllers
BRISTOL INC1 citations48
US9664031B2May 30, 2017
Methods and apparatus for calibrating controllers for use with wells
BRISTOL INC1 citations48
US10552283B2Feb 4, 2020
Methods and apparatus to communicatively couple field devices to a remote terminal unit
BRISTOL INC0 citations47
US10481618B2Nov 19, 2019
Injection flow controller for water and steam
BRISTOL INC0 citations38
US10197996B2Feb 5, 2019
Monitoring of field devices via a communication network
BRISTOL INC0 citations32
US9972321B2May 15, 2018
Voice interfaces in process control systems
BRISTOL INC0 citations32
US9612593B2Apr 4, 2017
Methods and apparatus to configure a process control device
BRISTOL INC0 citations32
US10698857B2Jun 30, 2020
Systems, methods, and apparatus to synchronize data bus access
BRISTOL INC0 citations26