Advanced real time graphic sensorless energy saving pump control system
US-11391287-B2 · Jul 19, 2022 · US
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Cheng Andrew A patents
Cheng Andrew A is listed as an inventor on 30 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Andrew A |
| Total patents | 30 |
| First publication | Jan 29, 2015 |
| Latest publication | Jul 19, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Automatic self-driving pumps
US-11339777-B2 · May 24, 2022 · US
Pump control design toolbox technique for variable speed pumping applications
US-11035368-B2 · Jun 15, 2021 · US
Discrete valve flow rate converter
US-11022985-B2 · Jun 1, 2021 · US
Adaptive water level controls for water empty or fill applications
US-10895881-B2 · Jan 19, 2021 · US
Variable speed pumping control system with active temperature and vibration monitoring and control means
US-10823176-B2 · Nov 3, 2020 · US
Automatic self-driving pumps
US-2020291932-A1 · Sep 17, 2020 · US
Direct numeric affinity pumps sensorless converter
US-10670024-B2 · Jun 2, 2020 · US
Direct numeric 3D sensorless converter for pump flow and pressure
US-10670010-B2 · Jun 2, 2020 · US
Direct numeric affinity multistage pumps sensorless converter
US-10662954-B2 · May 26, 2020 · US
Recent patents
Latest publications not already listed above.
Variable speed pumping control system with active temperature and vibration monitoring and control means
US-2020049152-A1 · Feb 13, 2020 · US
No flow detection means for sensorless pumping control applications
US-10317894-B2 · Jun 11, 2019 · US
3-D sensorless conversion method and apparatus for pump differential pressure and flow
US-10119545-B2 · Nov 6, 2018 · US
Adaptive water level controls for water empty or fill applications
US-2018299909-A1 · Oct 18, 2018 · US
Dynamic linear control methods and apparatus for variable speed pump control
US-10048701-B2 · Aug 14, 2018 · US
Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring
US-9938970-B2 · Apr 10, 2018 · US
Automatic self-driving pumps
US-2018087496-A1 · Mar 29, 2018 · US
Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping system
US-9897084-B2 · Feb 20, 2018 · US
Direct numeric affinity multistage pumps sensorless converter
US-2017370362-A1 · Dec 28, 2017 · US
Direct numeric 3d sensorless converter for pump flow and pressure
US-2017363078-A1 · Dec 21, 2017 · US
System and flow adaptive sensorless pumping control apparatus for energy saving pumping applications
US-9846416-B2 · Dec 19, 2017 · US
Pump control design toolbox technique for variable speed pumping applications
US-2017356450-A1 · Dec 14, 2017 · US
Advanced real time graphic sensorless energy saving pump control system
US-2017107992-A1 · Apr 20, 2017 · US
Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring
US-9611856-B2 · Apr 4, 2017 · US
Direct numeric affinity pumps sensorless converter
US-2016356276-A1 · Dec 8, 2016 · US
No flow detection means for sensorless pumping control applications
US-2016246290-A1 · Aug 25, 2016 · US
Discrete Valve Flow Rate Converter
US-2016186889-A1 · Jun 30, 2016 · US
System and flow adaptive sensorless pumping control apparatus for energy saving pumping applications
US-2016017889-A1 · Jan 21, 2016 · US
Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring
US-2016010639-A1 · Jan 14, 2016 · US
Sensorless Adaptive Pump Control with Self-Calibration Apparatus for Hydronic Pumping System
US-2015032271-A1 · Jan 29, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Fluid Handling Llc | 33 |
| Flow Control LLC | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04B49/065 | 13 |
| F04D15/0066 | 11 |
| F04D15/0088 | 10 |
| F04B2205/09 | 10 |
| F04B2203/0208 | 6 |