Inventor · disambiguated record
Niall James Caldwell
Also filed as: CALDWELL NIALL · CALDWELL NIALL J · CALDWELL NIALL JAMES
46 granted patents·14 pending applications·381 citations·filing 2002–2023
98Inventor score
Files withARTEMIS INTELLIGENT POWER LTD19CALDWELL NIALL JAMES9RAMPEN WILLIAM HUGH SALVIN5STEIN UWE BERNHARD PASCAL4CALDWELL NIALL3
Top patents by PatentIndex Score
60 records- 0198US10161423B2Fluid power distribution and control systemRAMPEN WILLIAM HUGH SALVIN·Filed 2007·Granted Dec 25, 2018·124 cites·4 claims
- 0296US10180135B2Industrial system with synthetically commutated variable displacement fluid working machineARTEMIS INTELLIGENT POWER LTD·Filed 2015·Granted Jan 15, 2019·14 cites·28 claims
- 0393US11555293B2Apparatus with hydraulic machine controllerARTEMIS INTELLIGENT POWER LTD·Filed 2022·Granted Jan 17, 2023·2 cites·20 claims
- 0493US11454003B2Apparatus with hydraulic machine controllerARTEMIS INTELLIGENT POWER LTD·Filed 2019·Granted Sep 27, 2022·6 cites·14 claims
- 0592US9010104B2Fluid-working machine valve timingRAMPEN WILLIAM HUGH SALVIN·Filed 2011·Granted Apr 21, 2015·12 cites·37 claims
- 0691US11959252B2Hydraulic apparatus and operating methodARTEMIS INTELLIGENT POWER LTD·Filed 2020·Granted Apr 16, 2024·3 cites·21 claims
- 0791US11162514B2Fluid power distribution and control systemDANFOSS POWER SOLUTIONS APS·Filed 2018·Granted Nov 2, 2021·4 cites·20 claims
- 0890US9328720B2Fluid-working machine with multi-lobe ring camCALDWELL NIALL JAMES·Filed 2010·Granted May 3, 2016·13 cites·25 claims
- 0989US8668465B2Hydraulic system with supplement pumpWADSLEY LUKE·Filed 2008·Granted Mar 11, 2014·26 cites·12 claims
- 1087US8450868B2Wind turbine generator and tidal current generator and operation method thereofTSUTSUMI KAZUHISA·Filed 2010·Granted May 28, 2013·9 cites·19 claims
- 1187US8348627B2Digital hydraulic pump/motor torque modulation system and apparatusARTEMIS INTELLIGENT POWER LTD·Filed 2007·Granted Jan 8, 2013·18 cites·31 claims
- 1286US9976641B2Hydraulic transmissionARTEMIS INTELLIGENT POWER LTD·Filed 2014·Granted May 22, 2018·10 cites·18 claims
- 1386US9828986B2Method of measuring a property of entrained gas in a hydraulic fluid and fluid-working machineCALDWELL NIALL JAMES·Filed 2011·Granted Nov 28, 2017·5 cites·14 claims
- 1486US9033309B2Valve actuatorRAMPEN WILLIAM HUGH SALVIN·Filed 2009·Granted May 19, 2015·10 cites·17 claims
- 1585US12084839B2Hydraulic apparatus and method for a vehicleDANFOSS SCOTLAND LTD·Filed 2023·Granted Sep 10, 2024·1 cites·20 claims
- 1684US10094372B2Fluid-working machine and operating methodARTEMIS INTELLIGENT POWER LTD·Filed 2015·Granted Oct 9, 2018·3 cites·21 claims
- 1784US8272622B2Electromagnetic actuatorCALDWELL NIALL JAMES·Filed 2007·Granted Sep 25, 2012·12 cites·12 claims
- 1884US7628240B2Fluid transmission with improved traction controlSAUER DANFOSS INC·Filed 2006·Granted Dec 8, 2009·11 cites·5 claims
- 1983US9188119B2Fluid-working machine and operating methodSTEIN UWE BERNHARD PASCAL·Filed 2011·Granted Nov 17, 2015·4 cites·19 claims
- 2083US9133839B2Fluid-working machine and method of detecting a faultRAMPEN WILLIAM HUGH SALVIN·Filed 2011·Granted Sep 15, 2015·4 cites·25 claims
- 2182US10995476B2ApparatusARTEMIS INTELLIGENT POWER LTD·Filed 2019·Granted May 4, 2021·2 cites·14 claims
- 2281US11084576B2Hydraulic multi-rotor aerial vehicleFLOWCOPTER LTD·Filed 2018·Granted Aug 10, 2021·4 cites·20 claims
- 2381US9103438B2Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy sourceCALDWELL NIALL JAMES·Filed 2011·Granted Aug 11, 2015·7 cites·22 claims
- 2480US9488163B2Fluid control systemCALDWELL NIALL JAMES·Filed 2010·Granted Nov 8, 2016·4 cites·17 claims
- 2578US9091253B2Fluid working machines and methodsSTEIN UWE BERNHARD PASCAL·Filed 2009·Granted Jul 28, 2015·9 cites·21 claims
- 2677US8870553B2Fluid working machine and method of operating a fluid working machineLAVENDER JACK SAMUEL·Filed 2011·Granted Oct 28, 2014·5 cites·22 claims
- 2777US8083274B2Electro-magnetic release mechanismCALDWELL NIALL·Filed 2006·Granted Dec 27, 2011·15 cites·9 claims
- 2876US7077378B2Annular valveARTEMIS INTELLIGENT POWER LTD·Filed 2002·Granted Jul 18, 2006·19 cites·14 claims
- 2974US9797393B2Fluid-working machine valve timingARTEMIS INTELLIGENT POWER LTD·Filed 2015·Granted Oct 24, 2017·2 cites·10 claims
- 3073US11078934B2Measurement and use of hydraulic stiffness properties of hydraulic apparatusARTEMIS INTELLIGENT POWER LTD·Filed 2016·Granted Aug 3, 2021·1 cites·18 claims
- 3173US8347621B2Method of operating a fluid-working machine and a fluid-working machineSAUER DANFOSS APS·Filed 2007·Granted Jan 8, 2013·8 cites·24 claims
- 3271US11137330B2Displacement of an object with hydraulic actuatorsARTEMIS INTELLIGENT POWER LTD·Filed 2019·Granted Oct 5, 2021·1 cites·20 claims
- 3367US9739266B2Fluid-working machine and method of operating a fluid-working machineSALTER STEPHEN HUGH·Filed 2011·Granted Aug 22, 2017·3 cites·19 claims
- 3465US2019048869A1Fluid-working machine and operating methodARTEMIS INTELLIGENT POWER LTD·Filed 2018·Application pending·0 cites
- 3560US8191518B2Valvetrain control arrangementSTEIN UWE BERNHARD PASCAL·Filed 2006·Granted Jun 5, 2012·2 cites·19 claims
- 3659US8657589B2Operating method for a hydraulic machineSTEIN UWE BERNHARD PASCAL·Filed 2007·Granted Feb 25, 2014·2 cites·8 claims
- 3759US8646264B2Cooling system and a transmission system having said cooling system integrated therewithRAMPEN WILLIAM·Filed 2007·Granted Feb 11, 2014·5 cites·14 claims
- 3858US8347778B2Fluid-working machinesARTEMIS INTELLIGENT POWER LTD·Filed 2006·Granted Jan 8, 2013·1 cites·15 claims
- 3956US9052032B2Valve assemblyCALDWELL NIALL JAMES·Filed 2009·Granted Jun 9, 2015·0 cites·17 claims
- 4056US9052033B2Valve assemblyCALDWELL NIALL JAMES·Filed 2009·Granted Jun 9, 2015·0 cites·18 claims
- 4152US11649727B2Valve timing in electronically commutated hydraulic machineARTEMIS INTELLIGENT POWER LTD·Filed 2019·Granted May 16, 2023·0 cites·26 claims
- 4251US12372083B2Electronically commutated hydraulic machine and operating method to reduce generation of resonance effectsARTEMIS INTELLIGENT POWER LTD·Filed 2021·Granted Jul 29, 2025·0 cites·19 claims
- 4350US9133838B2Fluid-working machine and method of operating a fluid-working machineRAMPEN WILLIAM HUGH SALVIN·Filed 2011·Granted Sep 15, 2015·0 cites·20 claims
- 4450US2013249214A1Power generating apparatus of renewable energy type and method of operating the sameICHINOSE HIDEKAZU·Filed 2011·Application pending·0 cites
- 4550US2013307493A1Power generating apparatus of renewable energy type and method of operating the sameICHINOSE HIDEKAZU·Filed 2011·Application pending·0 cites
- 4648US2007258832A1Fluid-Working Machine with Displacement ControlCALDWELL NIALL J·Filed 2005·Application pending·0 cites
- 4745US11261862B2Hydrostatic apparatus and method of operating the sameARTEMIS INTELLIGENT POWER LTD·Filed 2019·Granted Mar 1, 2022·0 cites·22 claims
- 4845US2012117958A1Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy sourceCALDWELL NIALL JAMES·Filed 2011·Application pending·0 cites
- 4944US12270423B2Controller for hydraulic apparatusARTEMIS INTELLIGENT POWER LTD·Filed 2021·Granted Apr 8, 2025·0 cites·19 claims
- 5044US2013009612A1Energy extraction device with electrical generator and method of operating energy extraction device electrical generatorMITSUBISHI HEAVY IND LTD·Filed 2011·Application pending·0 cites
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