Inventor

CHENG ZHAOSHAN

CN2 patents

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

SMITH CORP A O

1 patent

US11072551B2Jul 27, 2021

Water filtration system with recirculation to reduce total dissolved solids creep effect

SMITH CORP A O0 citations44

SMITH A O CHINA WATER HEATER

1 patent

US10835871B2Nov 17, 2020

Water purifier and water preparation method thereof

SMITH A O CHINA WATER HEATER0 citations29