Inventor
FLOOD MARK A
US23 patents
⚠️ This page may combine multiple inventors who share the name “FLOOD MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLEN BRADLEY CO
15 patentsUS5966304AOct 12, 1999
Redundant automation controller permitting replacement of components during operation
ALLEN BRADLEY CO104 citations97
US5963448AOct 5, 1999
Industrial controller having redundancy and using connected messaging and connection identifiers to enable rapid switchover without requiring new connections to be opened or closed at switchover
ALLEN BRADLEY CO79 citations96
US5933347AAug 3, 1999
Industrial controller with program synchronized updating of back-up controller
ALLEN BRADLEY CO62 citations96
US4937777AJun 26, 1990
Programmable controller with multiple task processors
ALLEN BRADLEY CO154 citations95
US4521871AJun 4, 1985
Programmable controller with back-up capability
ALLEN BRADLEY CO103 citations95
US5966301AOct 12, 1999
Redundant processor controller providing upgrade recovery
ALLEN BRADLEY CO72 citations94
US5777874AJul 7, 1998
Programmable controller backup system
ALLEN BRADLEY CO244 citations94
US5287548AFeb 15, 1994
Programmable controller having a stored program with both machine language instructions and source code data
ALLEN BRADLEY CO69 citations94
US5193189AMar 9, 1993
Programmable controller with multiple priority level task processing
ALLEN BRADLEY CO146 citations94
US4876664AOct 24, 1989
Programmable controller with a dual intermodule message system
ALLEN BRADLEY CO78 citations94
US5997166ADec 7, 1999
Redundant industrial controller storing module and chassis level redundancy status
ALLEN BRADLEY CO39 citations92
US5912814AJun 15, 1999
Redundant multitasking industrial controllers synchronized data tables
ALLEN BRADLEY CO31 citations92
US5627745AMay 6, 1997
Parallel processing in a multitasking industrial controller
ALLEN BRADLEY CO32 citations92
US4829297AMay 9, 1989
Communication network polling technique
ALLEN BRADLEY CO84 citations92
US5966300AOct 12, 1999
Redundant automation controller with deductive power-up
ALLEN BRADLEY CO28 citations91
ROCKWELL AUTOMATION TECH INC
7 patentsUS6411857B1Jun 25, 2002
Redundant, multitasking industrial controllers with synchronized data tables
ROCKWELL AUTOMATION TECH INC68 citations96
US10901399B2Jan 26, 2021
High availability industrial automation controller and method of operating the same
ROCKWELL AUTOMATION TECH INC2 citations73
US12140933B2Nov 12, 2024
System and method of communicating data over high availability industrial control systems
ROCKWELL AUTOMATION TECH INC0 citations61
US11221612B2Jan 11, 2022
System and method of communicating data over high availability industrial control systems
ROCKWELL AUTOMATION TECH INC1 citations61
US11669076B2Jun 6, 2023
System and method of communicating unconnected messages over high availability industrial control systems
ROCKWELL AUTOMATION TECH INC0 citations52
US11022962B2Jun 1, 2021
High availability industrial automation system having primary and secondary industrial automation controllers and method of communicating information over the same
ROCKWELL AUTOMATION TECH INC0 citations52
US11927950B2Mar 12, 2024
System and method of communicating safety data over high availability industrial control systems
ROCKWELL AUTOMATION TECH INC0 citations44