P

Inventor

WENG YEFAN

CN7 patents
⚠️ This page may combine multiple inventors who share the name “WENG YEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WENG YEFAN

3 patents
US8702483B2Apr 22, 2014

Assembly of pipe unit and pipe hood for ventilating fan

WENG YEFAN7 citations77
US9541297B2Jan 10, 2017

Heating ventilator for bathroom

WENG YEFAN0 citations36
US9347464B2May 24, 2016

Heating and ventilation fan for bathroom

WENG YEFAN0 citations36

PANASONIC ECO SYS GUANGDONG CO

3 patents
US10451076B2Oct 22, 2019

Ventilating fan

PANASONIC ECO SYS GUANGDONG CO0 citations37
US10240614B2Mar 26, 2019

Ventilation fan

PANASONIC ECO SYS GUANGDONG CO0 citations37
US9863437B2Jan 9, 2018

Ventilating fan

PANASONIC ECO SYS GUANGDONG CO0 citations37

YUAN HONGJIAN

1 patent
US9194603B2Nov 24, 2015

Heating and ventilating fan

YUAN HONGJIAN13 citations75