YC

Yiu Chau Chau

Overall (All Time): #249,380 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11970408 Liquid treatment device 2024-04-30
11833452 Liquid treatment device 2023-12-05
11058972 Liquid treatment apparatus 2021-07-13
10427960 Method for improving performance of fluid processing system based on crystallization promoting medium 2019-10-01
10207206 Liquid processing apparatus 2019-02-19
10106435 Fluid treatment apparatus including granular treatment medium 2018-10-23
9527015 Unit, assembly and apparatus for treating fluid 2016-12-27
7690524 Bottle with multi-fold protective cover and leak-proof closure device 2010-04-06
7427355 Water treatment unit for bottle or pitcher 2008-09-23
6860992 Reservoir water treatment 2005-03-01
6797156 Faucet water treatment 2004-09-28
6447678 Regeneration of water treatment media 2002-09-10
6398954 Multimedia backwashable filtration system 2002-06-04
6254772 Backwashable filtration system 2001-07-03
6231763 Regeneration of water treatment media 2001-05-15
6090285 Tank treatment assembly 2000-07-18
6068764 Reverse osmosis pump and shut off valve 2000-05-30
6042729 Regeneration of water treatment media 2000-03-28