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HONGSHENG YAN

Overview
  • Total Patents
    21
About

HONGSHENG YAN has a total of 21 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are HIRASHIRO YOSHIMICHI, ITO SHIGEKAZU and CHENGDU MEISHITE ELECTROMECHANICAL CO LTD.

Patent filings in countries

World map showing HONGSHENG YANs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing HONGSHENG YANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hongsheng Yan 21

Latest patents

Publication Filing date Title
CN102641205A Electric heating physiotherapy device
CN102759204A Solar water heater with through type vacuum tube with double openings
CN102644939A Novel integrated cooker
CN102790421A Novel charger
CN102790320A Power supply conversion controller
CN102466357A Bracket for solar water heater
CN102330390A Novel railway
CN102330437A Device for tunnels of underwater tunnel bridge
CN102146656A Novel multi-hole bridge
CN101929112A Train rail
CN101768899A Novel railway
CN101768981A Underwater tunnel-bridge
CN101712326A Canvas-type train aerodynamic-force braking device
CN101670839A High-speed train abdomen rectifying device
CN101672002A Combined grand bridge
CN101671979A Ballastless railway
CN101670376A Hot rolling heat holding cover
CN101671940A Dual energy clothing and quilt drying cabinet
CN101670838A Bionic rectifying device in internode of high-speed train
CN101672003A Extra-long suspension bridge crossing canyons