CHAU; Yiu Chau

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHAU; Yiu Chau.The latest application filed is for "liquid treatment device".

Company Profile

2.17.23

CHAU; Yiu Chau - Hong Kong CN
CHAU; Yiu Chau - N.T. Hong Kong CN
Chau; Yiu Chau - Richmond Hill Ontario CA
Chau; Yiu Chau - Richmond Hills Ontario CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Liquid Treatment Device App 20210323842 - CHAU; Yiu Chau	2021-10-21
Liquid treatment apparatus Grant 11,058,972 - Chau July 13, 2	2021-07-13
Liquid Treatment Device App 20200353382 - Chau; Yiu Chau	2020-11-12
Liquid Treatment Apparatus App 20200114283 - CHAU; Yiu Chau	2020-04-16
Method for improving performance of fluid processing system based on crystallization promoting medium Grant 10,427,960 - Chau October 1, 2	2019-10-01
Liquid processing apparatus Grant 10,207,206 - Chau Feb	2019-02-19
Fluid treatment apparatus including granular treatment medium Grant 10,106,435 - Chau October 23, 2	2018-10-23
Method For Improving Performance Of Fluid Processing System Based On Crystallization Promoting Medium App 20170107125 - CHAU; Yiu Chau	2017-04-20
Liquid Processing Apparatus App 20170087484 - CHAU; Yiu Chau	2017-03-30
Unit, assembly and apparatus for treating fluid Grant 9,527,015 - Chau December 27, 2	2016-12-27
Sealing Structure And Fluid Treatment Unit App 20160096750 - CHAU; Yiu Chau	2016-04-07
Fluid Treatment Apparatus And Components Of Fluid Treatment Apparatus App 20160016817 - CHAU; Yiu Chau	2016-01-21
Unit, Assembly And Apparatus For Treating Fluid App 20130068675 - Chau; Yiu Chau	2013-03-21
Sealing Structure, Fluid Treatment Unit, Fluid Treatment Device And Manual Switching Mechanism Therefor App 20130056402 - Chau; Yiu Chau	2013-03-07
Bottle with multi-fold protective cover and leak-proof closure device Grant 7,690,524 - Chau April 6, 2	2010-04-06
Fluid Magnetic Treatment Unit Having Moving Or Stationary Magnets App 20090065438 - Chau; Yiu Chau	2009-03-12
Water treatment unit for bottle or pitcher Grant 7,427,355 - Chau September 23, 2	2008-09-23
Fluid Magnetic Treatment Unit having Moving or Stationary Magnets App 20070246430 - Chau; Yiu Chau	2007-10-25
Water treatment unit for bottle App 20070158251 - Chau; Yiu Chau	2007-07-12
Water treatment unit for bottle or pitcher App 20050252844 - Chau, Yiu Chau	2005-11-17
Reservoir water treatment Grant 6,860,992 - Chau March 1, 2	2005-03-01
Faucet water treatment Grant 6,797,156 - Chau September 28, 2	2004-09-28
Reservoir water treatment App 20030159979 - Chau, Yiu Chau	2003-08-28
Faucet water treatment App 20030116495 - Chau, Yiu Chau	2003-06-26
Regeneration of water treatment media Grant 6,447,678 - Chau September 10, 2	2002-09-10
Regeneration of water treatment media App 20010009237 - Chau, Yiu Chau	2001-07-26
Multimedia backwashable filtration system App 20010008218 - Chau, Yiu Chau	2001-07-19
Backwashable filtration system Grant 6,254,772 - Chau July 3, 2	2001-07-03
Regeneration of water treatment media Grant 6,231,763 - Chau May 15, 2	2001-05-15
Tank treatment assembly Grant 6,090,285 - Chau July 18, 2	2000-07-18

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