Assignee
FLUID HANDLING LLC
US·51 granted patents·11 pending applications·86 citations·filing 2012–2024
Top patents by PatentIndex Score
62 records- 0189US9366582B2Combination isolation valve and check valve with integral flow rate, pressure, and/or temperature measurementFLUID HANDLING LLC·Filed 2014·Granted Jun 14, 2016·10 cites·12 claims
- 0289US9016140B2Valve having rotatable valve ball with calibrated orifice and coaxial upstream/downstream ports and angled taps to measure upstream/downstream pressures for flow measurementFLUID HANDLING LLC·Filed 2012·Granted Apr 28, 2015·11 cites·20 claims
- 0387US11686610B2Operational condition monitoring systemFLUID HANDLING LLC·Filed 2020·Granted Jun 27, 2023·2 cites·23 claims
- 0485US10823176B2Variable speed pumping control system with active temperature and vibration monitoring and control meansFLUID HANDLING LLC·Filed 2019·Granted Nov 3, 2020·3 cites·20 claims
- 0583US9938970B2Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoringFLUID HANDLING LLC·Filed 2015·Granted Apr 10, 2018·3 cites·16 claims
- 0682US10317894B2No flow detection means for sensorless pumping control applicationsFLUID HANDLING LLC·Filed 2016·Granted Jun 11, 2019·3 cites·12 claims
- 0782US9611856B2Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoringFLUID HANDLING LLC·Filed 2014·Granted Apr 4, 2017·5 cites·40 claims
- 0879US11022985B2Discrete valve flow rate converterFLUID HANDLING LLC·Filed 2015·Granted Jun 1, 2021·2 cites·16 claims
- 0977US10920769B2Pump cloud-based management and control technique customized hydronic componentsFLUID HANDLING LLC·Filed 2017·Granted Feb 16, 2021·3 cites·15 claims
- 1073US9897084B2Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping systemFLUID HANDLING LLC·Filed 2014·Granted Feb 20, 2018·5 cites·10 claims
- 1173USD686699SBalancing valveFLUID HANDLING LLC·Filed 2012·Granted Jul 23, 2013·21 cites·1 claims
- 1272US11209007B2Converting mechanical energy from vibration into electrical energy to power a circuit board for condition monitoring of rotating machineryFLUID HANDLING LLC·Filed 2018·Granted Dec 28, 2021·2 cites·21 claims
- 1371US11898804B2Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturingFLUID HANDLING LLC·Filed 2021·Granted Feb 13, 2024·0 cites·17 claims
- 1469US9170137B2Rotatable orifice plate for direct flow measurementFLUID HANDLING LLC·Filed 2014·Granted Oct 27, 2015·3 cites·17 claims
- 1565US12313082B2Volute design for lower manufacturing cost and radial load reductionFLUID HANDLING LLC·Filed 2023·Granted May 27, 2025·0 cites·5 claims
- 1664US11193716B2Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturingFLUID HANDLING LLC·Filed 2018·Granted Dec 7, 2021·0 cites·4 claims
- 1764US10048701B2Dynamic linear control methods and apparatus for variable speed pump controlFLUID HANDLING LLC·Filed 2012·Granted Aug 14, 2018·1 cites·24 claims
- 1864US9846416B2System and flow adaptive sensorless pumping control apparatus for energy saving pumping applicationsFLUID HANDLING LLC·Filed 2015·Granted Dec 19, 2017·1 cites·19 claims
- 1963US2021147256A1Self contained, automatic water quality monitoring and treatment systemFLUID HANDLING LLC·Filed 2020·Application pending·0 cites
- 2062US10119545B23-D sensorless conversion method and apparatus for pump differential pressure and flowFLUID HANDLING LLC·Filed 2013·Granted Nov 6, 2018·2 cites·24 claims
- 2162US2025075900A1Foam detection technique-algorithm for steam boilers using lwco deviceFLUID HANDLING LLC·Filed 2024·Application pending·0 cites
- 2262US2025256223A1Residential hydronic magnetic, sediment, and air separation device with maintenance indicatorFLUID HANDLING LLC·Filed 2023·Application pending·0 cites
- 2361US10533570B2Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pumpFLUID HANDLING LLC·Filed 2016·Granted Jan 14, 2020·1 cites·10 claims
- 2460US10132305B2Variable speed multi-pump application for providing energy saving by calculating and compensating for friction loss using speed referenceFLUID HANDLING LLC·Filed 2015·Granted Nov 20, 2018·1 cites·21 claims
- 2557US11274767B2Flow rate scale field calibration for balancing valveFLUID HANDLING LLC·Filed 2021·Granted Mar 15, 2022·0 cites·10 claims
- 2657US10443880B2Combined isolation valve and check valve with integral flow rate pressure, and/or temperature measurement and field configurabilityFLUID HANDLING LLC·Filed 2017·Granted Oct 15, 2019·1 cites·6 claims
- 2757US10429063B2Smart algorithm to determine “steam boiler water condition”FLUID HANDLING LLC·Filed 2017·Granted Oct 1, 2019·0 cites·17 claims
- 2853US11511372B2Technique to improve the performance of a pump with a trimmed impeller using additive manufacturingFLUID HANDLING LLC·Filed 2018·Granted Nov 29, 2022·0 cites·9 claims
- 2953US10662954B2Direct numeric affinity multistage pumps sensorless converterFLUID HANDLING LLC·Filed 2017·Granted May 26, 2020·0 cites·6 claims
- 3052US11391491B2Low water cut-off remote monitoring and diagnosing systemFLUID HANDLING LLC·Filed 2017·Granted Jul 19, 2022·0 cites·18 claims
- 3152US11090721B2Method for modifying the dimensions of a cast iron pump partFLUID HANDLING LLC·Filed 2018·Granted Aug 17, 2021·0 cites·26 claims
- 3252US10697462B2Multi-stage impeller produced via additive manufacturingFLUID HANDLING LLC·Filed 2017·Granted Jun 30, 2020·0 cites·20 claims
- 3352US10670024B2Direct numeric affinity pumps sensorless converterFLUID HANDLING LLC·Filed 2016·Granted Jun 2, 2020·0 cites·16 claims
- 3452US2022001447A1Method for modifying the dimensions of a cast iron pump partFLUID HANDLING LLC·Filed 2021·Application pending·0 cites
- 3551US11248598B2Optimal efficiency operation in parallel pumping system with machine learningFLUID HANDLING LLC·Filed 2019·Granted Feb 15, 2022·0 cites·14 claims
- 3651US10670010B2Direct numeric 3D sensorless converter for pump flow and pressureFLUID HANDLING LLC·Filed 2017·Granted Jun 2, 2020·0 cites·17 claims
- 3751US2015235545A1Self contained, automatic water quality monitoring and treatment systemFLUID HANDLING LLC·Filed 2015·Application pending·0 cites
- 3850US11035368B2Pump control design toolbox technique for variable speed pumping applicationsFLUID HANDLING LLC·Filed 2017·Granted Jun 15, 2021·0 cites·20 claims
- 3950US11009259B2Low water mechanical CSD-1 manual switch conversion to electro-mechanical switchFLUID HANDLING LLC·Filed 2017·Granted May 18, 2021·0 cites·11 claims
- 4049US10746189B2Center bushing to balance axial forces in multi-stage pumpsFLUID HANDLING LLC·Filed 2017·Granted Aug 18, 2020·0 cites·20 claims
- 4149US10473507B2E-11 switch assemblyFLUID HANDLING LLC·Filed 2017·Granted Nov 12, 2019·0 cites·18 claims
- 4248US11731885B2Coalescing media for hydronic air and sediment separation deviceFLUID HANDLING LLC·Filed 2021·Granted Aug 22, 2023·0 cites·7 claims
- 4348US2025102697A1Fluid sensorFLUID HANDLING LLC·Filed 2023·Application pending·0 cites
- 4447US11060796B23D spiral heat exchangerFLUID HANDLING LLC·Filed 2017·Granted Jul 13, 2021·0 cites·17 claims
- 4547US2020116167A1System condition detection using inlet pressureFLUID HANDLING LLC·Filed 2019·Application pending·0 cites
- 4647US2013299017A1Flow rate scale field calibration for balancing valveFLUID HANDLING LLC·Filed 2012·Application pending·0 cites
- 4745USD706394SCombined balancing scale and knob for a balancing valveFLUID HANDLING LLC·Filed 2012·Granted Jun 3, 2014·6 cites·1 claims
- 4845US2018320704A1Removable integrated wear ring impeller skirtFLUID HANDLING LLC·Filed 2018·Application pending·0 cites
- 4945US2022134259A1Coalescing media for hydronic air and sediment separation deviceFLUID HANDLING LLC·Filed 2021·Application pending·0 cites
- 5041US12341336B2Reliability improvement for switch controlled motor operated devicesFLUID HANDLING LLC·Filed 2016·Granted Jun 24, 2025·0 cites·26 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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