Inventor
CHEN RUILIANG
CN3 patents
Patents
3 patentsUS9790675B2Oct 17, 2017
Double flow control mechanism of a soft touch drain valve and a double flow control method thereof
XIAMEN R&T PLUMBING TECHNOLOGY CO LTD2 citations67
US9945110B2Apr 17, 2018
Double-flush light-touch drain valve and double-flush control method
XIAMEN R&T PLUMBING TECHNOLOGY CO LTD1 citations46
US11898337B2Feb 13, 2024
Effort-saving flap-type drain valve
XIAMEN R&T PLUMBING TECHNOLOGY CO LTD0 citations41