Inventor

CHENG RONGFENG

CN5 patents

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

QINGDAO HAIER DRUM WASHING MACHINE CO LTD

2 patents

US11898573B2Feb 13, 2024

Centrifugal fan and clothing dryer

QINGDAO HAIER DRUM WASHING MACHINE CO LTD1 citations61

US11808280B2Nov 7, 2023

Centrifugal fan and clothing dryer

QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations61

SHU HAI

1 patent

US9255732B2Feb 9, 2016

Vacuum heat pump clothes drying method and dryer

SHU HAI18 citations79

QINGDAO HAIER WASHING MACH CO

1 patent

US11028524B2Jun 8, 2021

Positive-negative-rotation fan for clothes dryer, and clothes dryer

QINGDAO HAIER WASHING MACH CO3 citations70

QINGDAO JIAONAN HAIER WASHING MACHINE CO LTD

1 patent

US10017896B2Jul 10, 2018

Control panel for clothes dryer and clothes dryer

QINGDAO JIAONAN HAIER WASHING MACHINE CO LTD1 citations40