Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686610 | Operational condition monitoring system | Florin Rosca, Tomm Aldridge, Stephen C. Clark, Damien Galzin | 2023-06-27 |
| 11391287 | Advanced real time graphic sensorless energy saving pump control system | Andrew A. Cheng, Pradipkumar B. Patel, Kyle D. SCHOENHEIT | 2022-07-19 |
| 11391491 | Low water cut-off remote monitoring and diagnosing system | Pratik Shah, Ronan Stephens, Glen E. Huse, Jaroslaw Berezowski | 2022-07-19 |
| 11339777 | Automatic self-driving pumps | Andrew A. Cheng, Christopher Johnson, Kyle D. SCHOENHEIT | 2022-05-24 |
| 11248598 | Optimal efficiency operation in parallel pumping system with machine learning | Gaurav B. Vala | 2022-02-15 |
| 11209007 | Converting mechanical energy from vibration into electrical energy to power a circuit board for condition monitoring of rotating machinery | Florin Rosca, Indresh Bhatia, Naman Maheshkumar Raval | 2021-12-28 |
| 11022985 | Discrete valve flow rate converter | Andrew A. Cheng | 2021-06-01 |
| 11009259 | Low water mechanical CSD-1 manual switch conversion to electro-mechanical switch | Pratik Shah, Ronan Stephens | 2021-05-18 |
| 10920769 | Pump cloud-based management and control technique customized hydronic components | Florin Rosca, Taifur Rahman | 2021-02-16 |
| 10823176 | Variable speed pumping control system with active temperature and vibration monitoring and control means | Andrew A. Cheng | 2020-11-03 |
| 10670024 | Direct numeric affinity pumps sensorless converter | Andrew A. Cheng, Kyle D. SCHOENHEIT | 2020-06-02 |
| 10544963 | Field configurable low water cut-offs | Pratik Shah, Ronan Stephens, Glen E. Huse, Jaroslaw Berezowski | 2020-01-28 |
| 10473507 | E-11 switch assembly | Pratik Shah, Ronan Stephens | 2019-11-12 |
| 10429063 | Smart algorithm to determine “steam boiler water condition” | Pratik Shah | 2019-10-01 |
| 10317894 | No flow detection means for sensorless pumping control applications | Andrew A. Cheng | 2019-06-11 |
| 10132305 | Variable speed multi-pump application for providing energy saving by calculating and compensating for friction loss using speed reference | Pradipkumar B. Patel | 2018-11-20 |
| 10119545 | 3-D sensorless conversion method and apparatus for pump differential pressure and flow | Andrew A. Cheng, Graham A. Scott | 2018-11-06 |
| 10048701 | Dynamic linear control methods and apparatus for variable speed pump control | Andrew A. Cheng, Graham A. Scott | 2018-08-14 |
| 9938970 | Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring | Andrew A. Cheng, Graham A. Scott | 2018-04-10 |
| 9897084 | Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping system | Andrew A. Cheng, Graham A. Scott | 2018-02-20 |
| 9846416 | System and flow adaptive sensorless pumping control apparatus for energy saving pumping applications | Andrew A. Cheng, Graham A. Scott | 2017-12-19 |
| 9611856 | Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring | Andrew A. Cheng, Graham A. Scott | 2017-04-04 |
| 8700221 | Method and apparatus for pump control using varying equivalent system characteristic curve, AKA an adaptive control curve | Andrew A. Cheng | 2014-04-15 |
| 8630814 | Ultrasonic water level gauge and control device | Andrew A. Cheng, John E. Branzell | 2014-01-14 |
| 8544284 | Method and apparatus for waste heat recovery and absorption gases used as working fluid therein | Junjie Gu, Ruiying Cheng, Cunzhu Liu, Shengchang Li | 2013-10-01 |