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LI YAOCHENG

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    234,674
About

LI YAOCHENG has a total of 11 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering are TIANJIN BAIRUIJIE WELDING MATERIAL CO LTD, UFIM NII VAKTSIN SYVOROTOK IM and EBARA KOGYO SENJIYOU KK.

Patent filings in countries

World map showing LI YAOCHENGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LI YAOCHENGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Cleaning

Top inventors

# Name Total Patents
#1 Li Yaocheng 11

Latest patents

Publication Filing date Title
CN105768795A Toothpick box
CN104550147A Cleaning brush for water basin
CN1952335A Central control lock connecting rod for vehicle
CN1952336A Double-leaf lock
CN1952334A Mechanical digital puzzle lock
CN1952331A Bulge type door lock structure with strong resistibility
CN1952329A Anti-prying cylinder lock
CN1952328A Door lock handle of distribution board storage case
CN1952330A Anti-prizing door lock
CN1951628A Cold extrusion prepared valve lock clamp and its mould
CN1952559A Sealed component of lockup device for refrigerator