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CHOU WEN SAN

Overview
  • Total Patents
    234
  • GoodIP Patent Rank
    8,605
  • Filing trend
    ⇩ 86.0%
About

CHOU WEN SAN has a total of 234 patent applications. It decreased the IP activity by 86.0%. Its first patent ever was published in 1991. It filed its patents most often in Republic of Korea, United States and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, machines and transport are SHU BUNSAN, CHOU WEN-SAN and GARDNER DENVER THOMAS GMBH.

Patent filings in countries

World map showing CHOU WEN SANs patent filings in countries

Patent filings per year

Chart showing CHOU WEN SANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chou Wen-San 125
#2 Chou Wen San 109
#3 Chou Cheng-Hsien 33
#4 Chou Cheng Hsien 8

Latest patents

Publication Filing date Title
EP3797981A1 Check structure for connection of air nozzle of tire and connection hose of air compressor
US2021086571A1 Check joint structure for connection of air nozzle of tire and connection hose of air compressor
US2021088161A1 Check joint structure for connection of air nozzle of tire and connector of connection hose of air compressor
KR20210031817A Blow-out prevention structure when combining automobile tire valve and air compressor hose connector
KR20210031818A Blow-out prevention connector structure when connecting tire valve and air compressor hose
US2021060881A1 Anti-spray joint structure of connection hose of vehicle air compressor
KR20210029091A Connector structure for prevention blowout of series connection hose of vehicle air compressor
KR20210010819A Air compressor device that can switch to air injection and adhesion solution replenishment
US2020408354A1 Support device for tire sealant inflator
TW202100867A Venting structure of cylinder of air compressor
TW202100866A Venting structure of cylinder of air compressor
TW202045819A Air compressor capable of making warning sounds and releasing pressure
TW202045817A Air venting structure of a cylinder of an air compressor
TWI708894B Air venting structure of a cylinder of an air compressor
TWI709500B Anti-jet joint structure of connection hose of vehicle air compressor
TWI695160B Pressure gauge
TWI691649B Positioning structure of motor of air compressor
TW202022225A Conenction structure for motor of air compressor
US2017126100A1 Motor structure capable of dissipating heat therein
US2017098981A1 Motor with heat dissipation structure