Inventor · disambiguated record
David A. Johnston
Also filed as: JOHNSTON DAVID · JOHNSTON DAVID A · JOHNSTON DAVID ALLEN
29 granted patents·2 pending applications·559 citations·filing 1984–2022
96Inventor score
Files withROCKWELL AUTOMATION TECH INC20ALLEN BRADLEY CO5JOHNSTON DAVID A1KAY JAMES J1KUCHARSKI PAUL G1
Top patents by PatentIndex Score
31 records- 0197US11513877B2Updating operational technology devices using container orchestration systemsROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Nov 29, 2022·47 cites·20 claims
- 0297US11474873B2Implementing serverless functions using container orchestration systems and operational technology devicesROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Oct 18, 2022·26 cites·20 claims
- 0393US5636124AMultitasking industrial controllerALLEN BRADLEY CO·Filed 1995·Granted Jun 3, 1997·103 cites·12 claims
- 0489US5844795ADiagnostic aid for industrial controller using multi-tasking architectureALLEN BRADLEY CO·Filed 1996·Granted Dec 1, 1998·87 cites·12 claims
- 0588US4638452AProgrammable controller with dynamically altered programmable real time interrupt intervalALLEN BRADLEY CO·Filed 1984·Granted Jan 20, 1987·54 cites·3 claims
- 0686US12066804B2Integrating container orchestration systems with operational technology devicesROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Aug 20, 2024·2 cites·20 claims
- 0785US9183207B2Method for consistent storage of data in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2013·Granted Nov 10, 2015·5 cites·21 claims
- 0883US11340588B2Automation control based on a reference arrayROCKWELL AUTOMATION TECH INC·Filed 2020·Granted May 24, 2022·1 cites·20 claims
- 0982US9989951B2Generation and publication of shared tagsetsROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Jun 5, 2018·2 cites·20 claims
- 1082US8086670B1System and methodology providing optimized data exchange with industrial controllerZINK STEVEN M·Filed 2010·Granted Dec 27, 2011·9 cites·20 claims
- 1180US6801813B2Method for consistent storage of data in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2001·Granted Oct 5, 2004·30 cites·24 claims
- 1279US7725528B1System and methodology providing optimized data exchange with industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2002·Granted May 25, 2010·27 cites·31 claims
- 1378US9069343B2Generation and publication of shared tagsetsKUCHARSKI PAUL G·Filed 2011·Granted Jun 30, 2015·4 cites·12 claims
- 1478US5781776AIndustrial controller permitting program editing during program executionALLEN BRADLEY CO·Filed 1995·Granted Jul 14, 1998·61 cites·12 claims
- 1573US7721273B1Controller equipment model systems and methodsROCKWELL AUTOMATION TECH INC·Filed 2004·Granted May 18, 2010·20 cites·50 claims
- 1672US8566561B2Method to separate and persist static and dynamic portions of a control applicationRISCHAR CHARLES M·Filed 2010·Granted Oct 22, 2013·4 cites·19 claims
- 1772US5943675AChange log historian system for memory shared by multiple workstationsALLEN BRADLEY CO·Filed 1996·Granted Aug 24, 1999·68 cites·27 claims
- 1868US11789794B2Updating operational technology devices using container orchestration systemsROCKWELL AUTOMATION TECH INC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 1967US11789785B2Implementing serverless functions using container orchestration systems and operational technology devicesROCKWELL AUTOMATION TECH INC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 2064US10558191B2Generation and publication of shared tagsetsROCKWELL AUTOMATION TECH INC·Filed 2018·Granted Feb 11, 2020·0 cites·20 claims
- 2160US7835806B2Method for indirect access to controller data using name stored in string tagROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Nov 16, 2010·2 cites·20 claims
- 2259US11561532B2Systems and methods for metered automation controller functionalityROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Jan 24, 2023·0 cites·20 claims
- 2357US9852152B2Method for consistent storage of data in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2016·Granted Dec 26, 2017·0 cites·20 claims
- 2457US7065415B2Method for consistent storage of data in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2004·Granted Jun 20, 2006·6 cites·20 claims
- 2550US8942834B2Method and apparatus for communicating transactions between an industrial controller and a programming interfaceJOHNSTON DAVID A·Filed 2005·Granted Jan 27, 2015·1 cites·26 claims
- 2648US2006190106A1Method for consistent storage of data in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2006·Application pending·0 cites
- 2746US9703277B2Method and apparatus to track changes in an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Jul 11, 2017·0 cites·19 claims
- 2846US9495368B2Method for consistent storage of data in an industrial controllerKAY JAMES J·Filed 2011·Granted Nov 15, 2016·0 cites·17 claims
- 2945US11599081B2Method and apparatus for proxy execution and computation with an industrial controllerROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Mar 7, 2023·0 cites·18 claims
- 3042US2008313228A1Controller log and log aggregationROCKWELL AUTOMATION TECH INC·Filed 2007·Application pending·0 cites
- 3136US10587730B2Enhanced transfer of information using an industrial protocol system and methodROCKWELL AUTOMATION INC·Filed 2015·Granted Mar 10, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →