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HARBIN DONGAN IND DEV CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    182,949
About

HARBIN DONGAN IND DEV CO LTD has a total of 31 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets machine tools, mechanical elements and machines are SICHUAN COSMOS PREC MOLD & DIE CO LTD, WEBER SCHRAUBAUTOMATEN GMBH and Shanghai ziyuan automobile parts co ltd.

Patent filings in countries

World map showing HARBIN DONGAN IND DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing HARBIN DONGAN IND DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Chaoqiang 17
#2 Sun Huanyu 12
#3 Wang Dandan 9
#4 Zhao Chunyan 9
#5 Hu Mian 8
#6 Yang Kejun 8
#7 Tian Weibo 7
#8 Hong Yuan 6
#9 Hao Yongbo 6
#10 Zhao Na 5

Latest patents

Publication Filing date Title
CN104626407A Inner wrapped spring-loaded oil seal mould and method for moulding inner wrapped spring-loaded oil seal by utilizing same
CN104708739A Speed changer rubber piston die, and method for making speed changer rubber piston by using die
CN104634557A Lubricating oil spray nozzle multi-shaft linkage performance tester and test method
CN104625647A Metal energy storage spring machining method
CN104607879A Machining method for strippable spacer
CN104668683A Vertical indexing mechanism and thin wall special-shaped part machining method through same
CN104626480A Rubber injection molding device
CN103722642A Rubber ring mold with anti-dislocation structure
CN103753774A Equidistant shunting device for cold-runner injection machine and shunting method thereof
CN103727243A Oil seal with embedded metal steel ring structure and sealing method
CN103737541A Air valve oil seal assembly allowing vertical guiding sleeve assembling and assembling method
CN103742650A Installation-free integrated crankshaft oil seal assembly
CN103727157A Large-diameter thin-wall high-accuracy-requirement rubber bushing and machining process
CN103743339A Apparatus and method for detecting oil seal and oil line
CN103722348A Thin-walled special-shaped plate machining method
CN103727238A Reinforced sealing ring chip
CN103737862A Half-exposed framework half-packaged rubber oil seal die and sealing method
CN103434097A Explosion-proof rubber injection non-return mechanism and injection method
CN104343677A Asymmetric oil groove cycloid rotor pump
CN104343484A Valve oil seal with internal flower-shaped grains and shoulder exposed framework