Inventor · disambiguated record
Andrew A. Cheng
Also filed as: CHENG ANDREW A
18 granted patents·1 pending application·73 citations·filing 2010–2020
91Inventor score
Top patents by PatentIndex Score
19 records- 0195US8700221B2Method and apparatus for pump control using varying equivalent system characteristic curve, AKA an adaptive control curveCHENG ANDREW A·Filed 2010·Granted Apr 15, 2014·40 cites·22 claims
- 0285US10823176B2Variable 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
- 0383US9938970B2Best-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
- 0482US10317894B2No flow detection means for sensorless pumping control applicationsFLUID HANDLING LLC·Filed 2016·Granted Jun 11, 2019·3 cites·12 claims
- 0582US9611856B2Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoringFLUID HANDLING LLC·Filed 2014·Granted Apr 4, 2017·5 cites·40 claims
- 0681US8630814B2Ultrasonic water level gauge and control deviceCHENG ANDREW A·Filed 2011·Granted Jan 14, 2014·8 cites·15 claims
- 0779US11022985B2Discrete valve flow rate converterFLUID HANDLING LLC·Filed 2015·Granted Jun 1, 2021·2 cites·16 claims
- 0873US9897084B2Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping systemFLUID HANDLING LLC·Filed 2014·Granted Feb 20, 2018·5 cites·10 claims
- 0964US10048701B2Dynamic linear control methods and apparatus for variable speed pump controlFLUID HANDLING LLC·Filed 2012·Granted Aug 14, 2018·1 cites·24 claims
- 1064US9846416B2System and flow adaptive sensorless pumping control apparatus for energy saving pumping applicationsFLUID HANDLING LLC·Filed 2015·Granted Dec 19, 2017·1 cites·19 claims
- 1162US10119545B23-D sensorless conversion method and apparatus for pump differential pressure and flowFLUID HANDLING LLC·Filed 2013·Granted Nov 6, 2018·2 cites·24 claims
- 1253US10662954B2Direct numeric affinity multistage pumps sensorless converterFLUID HANDLING LLC·Filed 2017·Granted May 26, 2020·0 cites·6 claims
- 1352US10670024B2Direct numeric affinity pumps sensorless converterFLUID HANDLING LLC·Filed 2016·Granted Jun 2, 2020·0 cites·16 claims
- 1451US10670010B2Direct numeric 3D sensorless converter for pump flow and pressureFLUID HANDLING LLC·Filed 2017·Granted Jun 2, 2020·0 cites·17 claims
- 1550US11035368B2Pump control design toolbox technique for variable speed pumping applicationsFLUID HANDLING LLC·Filed 2017·Granted Jun 15, 2021·0 cites·20 claims
- 1642US2018087496A1Automatic self-driving pumpsFlow Control LLC·Filed 2017·Application pending·0 cites
- 1741US11339777B2Automatic self-driving pumpsFlow Control LLC·Filed 2020·Granted May 24, 2022·0 cites·23 claims
- 1839US11391287B2Advanced real time graphic sensorless energy saving pump control systemFLUID HANDLING LLC·Filed 2016·Granted Jul 19, 2022·0 cites·22 claims
- 1936US10895881B2Adaptive water level controls for water empty or fill applicationsFLUID HANDLING LLC·Filed 2018·Granted Jan 19, 2021·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →