Inventor

RAN HONGYU

CN17 patents

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

RAN HONGYU

BEIANG AIR TECH LTD

Water purifier

Air purifier

Fan

Air purifier

Air purifier

Humidifier

Gear control circuit and system for alternating current motor, switch controller, and electronic device

Driving circuit, magnetic sensing circuit, and electrical device

SUZHOU BEIANG TECH LTD

Ionic wind purifier and discharge monitoring and protective circuit of high-voltage ion purifier

Purification and variable frequency system and method

Base body and dust collector

Easy-to-clean separable purification core

JEWELL-LARSEN NELS

Electrohydrodynamic fluid accelerator device with collector electrode exhibiting curved leading edge profile

Electrohydrodynamic fluid accelerator with heat transfer surfaces operable as collector electrode

Reversible flow electrohydrodynamic fluid accelerator

SUZHOU BEIANG SMART TECH CO LTD

Mite removal machine

Air purifier