Inventor · disambiguated record
Wai Yin Cedric Chan
Also filed as: CHAN WAI Y C · CHAN WAI YIN CEDRIC
10 granted patents·2 pending applications·328 citations·filing 1994–2011
91Inventor score
Top patents by PatentIndex Score
12 records- 0195US5500050ARatio feed detergent controller and method with automatic feed rate learning capabilityDIVERSEY CORP·Filed 1994·Granted Mar 19, 1996·145 cites·32 claims
- 0291US7654421B2Automatically configurable chemical dosing apparatus for cleaning equipmentJOHNSON DIVERSEY INC·Filed 2006·Granted Feb 2, 2010·31 cites·10 claims
- 0384US6529841B2Apparatus and method for conductivity measurement including probe contamination compensationJOHNSON DIVERSEY INC·Filed 2001·Granted Mar 4, 2003·28 cites·51 claims
- 0483US7977101B2Method and system for measuring water hardnessDIVERSEY INC·Filed 2010·Granted Jul 12, 2011·4 cites·16 claims
- 0581US8002898B2Material delivery systems and methodsDIVERSEY INC·Filed 2007·Granted Aug 23, 2011·11 cites·7 claims
- 0681US7709265B2Method and system for measuring water hardnessJOHNSON DIVERSEY INC·Filed 2005·Granted May 4, 2010·6 cites·7 claims
- 0776US6223129B1Apparatus and method for conductivity measurement including probe contamination compensationDIVERSEYLEVER INC·Filed 1998·Granted Apr 24, 2001·38 cites·29 claims
- 0873US8192687B2Method and system for measuring water hardnessCHAN WAI YIN CEDRIC·Filed 2011·Granted Jun 5, 2012·4 cites·14 claims
- 0970US5494061AMultiple protocol multiple pump liquid chemical dispenserDIVERSEY CORP·Filed 1995·Granted Feb 27, 1996·34 cites·13 claims
- 1064US5453131AMultiple protocol multiple pump liquid chemical dispenserDIVERSEY CORP·Filed 1994·Granted Sep 26, 1995·27 cites·16 claims
- 1148US2007044820A1Automatically configurable chemical dispensing system for cleaning equipmentJOHNSON DIVERSEY INC·Filed 2006·Application pending·0 cites
- 1244US2012031433A1Material delivery systems and methodsSCHEPERS FREDERIK J·Filed 2011·Application pending·0 cites
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