Inventor
JOHNSTON DAVID ALLEN
US7 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSTON DAVID ALLEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROCKWELL AUTOMATION TECH INC
5 patentsUS6801813B2Oct 5, 2004
Method for consistent storage of data in an industrial controller
ROCKWELL AUTOMATION TECH INC30 citations89
US9183207B2Nov 10, 2015
Method for consistent storage of data in an industrial controller
ROCKWELL AUTOMATION TECH INC5 citations81
US7065415B2Jun 20, 2006
Method for consistent storage of data in an industrial controller
ROCKWELL AUTOMATION TECH INC6 citations60
US9852152B2Dec 26, 2017
Method for consistent storage of data in an industrial controller
ROCKWELL AUTOMATION TECH INC0 citations49
US11561532B2Jan 24, 2023
Systems and methods for metered automation controller functionality
ROCKWELL AUTOMATION TECH INC0 citations39