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HAN GUOHAO

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    52,525
About

HAN GUOHAO has a total of 30 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and chemical engineering are HUANG HONGGANG, SHAO YANRONG and HYDRO PNEUMATIC AB.

Patent filings in countries

World map showing HAN GUOHAOs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing HAN GUOHAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Guohao 18
#2 Shao Qianqian 7
#3 Li Hongsheng 7
#4 The Inventor Has Waived The Right To Be Cited 3
#5 The Other Designers Has Waived The Right To Be Cited 1

Latest patents

Publication Filing date Title
CN112145725A Expanding type double-gate-plate gate valve
CN111853395A Novel flange
CN111878605A Hydraulic multi-way reversing valve
CN111706679A Self-cleaning stop valve
CN111503002A Variable water pump
CN111425618A Low-abrasion ball valve
CN111536254A Low-torque high-pressure ball valve
CN111396572A Butterfly valve
CN111365473A Low-torque long-service-life butterfly valve
CN111255651A Air compressor
CN111173946A Gate valve
CN111120713A Butterfly valve
CN111255763A Hydraulic reversing valve
CN111120665A Two-way stop valve
CN111226624A Hedge trimmer for environmental sanitation
CN111120246A Air compressor
CN110985326A Reciprocating plunger pump
CN111173700A High-pressure water pump
CN110744999A Hydraulic differential control system for vehicle
CN110748516A Walking control device for engineering vehicle