Inventor
CALDWELL NIALL JAMES
GB32 patents
⚠️ This page may combine multiple inventors who share the name “CALDWELL NIALL JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARTEMIS INTELLIGENT POWER LTD
10 patentsUS11454003B2Sep 27, 2022
Apparatus with hydraulic machine controller
ARTEMIS INTELLIGENT POWER LTD6 citations83
US10180135B2Jan 15, 2019
Industrial system with synthetically commutated variable displacement fluid working machine
ARTEMIS INTELLIGENT POWER LTD14 citations83
US10995476B2May 4, 2021
Apparatus
ARTEMIS INTELLIGENT POWER LTD2 citations73
US11555293B2Jan 17, 2023
Apparatus with hydraulic machine controller
ARTEMIS INTELLIGENT POWER LTD2 citations71
US9797393B2Oct 24, 2017
Fluid-working machine valve timing
ARTEMIS INTELLIGENT POWER LTD2 citations71
US10094372B2Oct 9, 2018
Fluid-working machine and operating method
ARTEMIS INTELLIGENT POWER LTD3 citations70
US11078934B2Aug 3, 2021
Measurement and use of hydraulic stiffness properties of hydraulic apparatus
ARTEMIS INTELLIGENT POWER LTD1 citations62
US8347778B2Jan 8, 2013
Fluid-working machines
ARTEMIS INTELLIGENT POWER LTD1 citations52
US11261862B2Mar 1, 2022
Hydrostatic apparatus and method of operating the same
ARTEMIS INTELLIGENT POWER LTD0 citations50
US12372083B2Jul 29, 2025
Electronically commutated hydraulic machine and operating method to reduce generation of resonance effects
ARTEMIS INTELLIGENT POWER LTD0 citations49
CALDWELL NIALL JAMES
7 patentsUS8272622B2Sep 25, 2012
Electromagnetic actuator
CALDWELL NIALL JAMES12 citations83
US9828986B2Nov 28, 2017
Method of measuring a property of entrained gas in a hydraulic fluid and fluid-working machine
CALDWELL NIALL JAMES5 citations82
US9103438B2Aug 11, 2015
Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source
CALDWELL NIALL JAMES7 citations82
US9328720B2May 3, 2016
Fluid-working machine with multi-lobe ring cam
CALDWELL NIALL JAMES13 citations80
US9488163B2Nov 8, 2016
Fluid control system
CALDWELL NIALL JAMES4 citations72
US9052032B2Jun 9, 2015
Valve assembly
CALDWELL NIALL JAMES0 citations51
US9052033B2Jun 9, 2015
Valve assembly
CALDWELL NIALL JAMES0 citations51
RAMPEN WILLIAM HUGH SALVIN
5 patentsUS10161423B2Dec 25, 2018
Fluid power distribution and control system
RAMPEN WILLIAM HUGH SALVIN124 citations96
US9033309B2May 19, 2015
Valve actuator
RAMPEN WILLIAM HUGH SALVIN10 citations83
US9010104B2Apr 21, 2015
Fluid-working machine valve timing
RAMPEN WILLIAM HUGH SALVIN12 citations81
US9133839B2Sep 15, 2015
Fluid-working machine and method of detecting a fault
RAMPEN WILLIAM HUGH SALVIN4 citations69
US9133838B2Sep 15, 2015
Fluid-working machine and method of operating a fluid-working machine
RAMPEN WILLIAM HUGH SALVIN0 citations51
STEIN UWE BERNHARD PASCAL
4 patentsUS9091253B2Jul 28, 2015
Fluid working machines and methods
STEIN UWE BERNHARD PASCAL9 citations83
US9188119B2Nov 17, 2015
Fluid-working machine and operating method
STEIN UWE BERNHARD PASCAL4 citations70
US8657589B2Feb 25, 2014
Operating method for a hydraulic machine
STEIN UWE BERNHARD PASCAL2 citations62
US8191518B2Jun 5, 2012
Valvetrain control arrangement
STEIN UWE BERNHARD PASCAL2 citations62