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HE DONGHAI

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    136,530
About

HE DONGHAI has a total of 13 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and electrical machinery and energy are SCHNEIDER FRANZ BRAKEL GMBH, FLEURY DEPOILLY ETS and LUDW ROCHOLL & CO.

Patent filings in countries

World map showing HE DONGHAIs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing HE DONGHAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 He Donghai 13
#2 Geng Shuqin 10
#3 Tai Zhaopo 10
#4 Duan Mingfei 2
#5 Gao Long 2

Latest patents

Publication Filing date Title
CN112024794A Method and equipment for producing curled split spring pin
CN111957779A Split spring pin crimping module and crimping method
CN111608497A Handle door lock and using method thereof
CN111608480A Square tongue block shifting mechanism for handle door lock
CN111608484A Oblique bolt device on handle door lock and oblique bolt shifting method
CN111608485A Square bolt device on handle door lock and square bolt and skew bolt integrated poking method
CN111456542A Fingerprint coded lock core and square tongue device thereof
CN111456561A Intelligent fingerprint coded lock
CN111456541A Fingerprint coded lock core and cross tongue device thereof
CN111299405A Power distribution switch cabinet supporting plate and multi-directional punching processing method and equipment thereof
CN111318612A Lateral punching device and method for supporting plate
CN111299404A Power distribution switch cabinet supporting plate perforating machine and bottom perforating device and method thereof
CN103264611A Manufacturing method of sand painting and sand for sand painting