Individual holder
CHENG ANDREW A
US·2 granted patents·48 citations·filing 2010–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 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
- 0281US8630814B2Ultrasonic water level gauge and control deviceCHENG ANDREW A·Filed 2011·Granted Jan 14, 2014·8 cites·15 claims
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