Inventor

WANG XINGDONG

CN7 patents

⚠️ This page may combine multiple inventors who share the name “WANG XINGDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XIAMEN R&T PLUMBING TECHNOLOGY CO LTD

2 patents

US12378755B2Aug 5, 2025

Water tank drainage volume control structure, and toilet

XIAMEN R&T PLUMBING TECHNOLOGY CO LTD0 citations56

US11898337B2Feb 13, 2024

Effort-saving flap-type drain valve

XIAMEN R&T PLUMBING TECHNOLOGY CO LTD0 citations41

SETOLAS HOLDINGS INC

2 patents

US12330957B1Jun 17, 2025

Method of producing annealing separator, annealing separator, and grain-oriented magnetic steel

SETOLAS HOLDINGS INC0 citations54

US12330956B2Jun 17, 2025

Method of producing annealing separator, annealing separator, and grain-oriented magnetic steel

SETOLAS HOLDINGS INC0 citations54

COMMW SCIENT IND RES ORG

1 patent

US12059646B2Aug 13, 2024

Adsorption and desorption apparatus

COMMW SCIENT IND RES ORG1 citations54

CHEN MEIJUAN

1 patent

US9032561B2May 19, 2015

Lever control mechanism of a drain valve of a toilet tank

CHEN MEIJUAN0 citations41

ZHANG RONGYU

1 patent

US9587387B2Mar 7, 2017

Dual-drainage switching mechanism of water tank

ZHANG RONGYU0 citations31