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HE CHANGQING

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    77,475
  • Filing trend
    ⇧ 700.0%
About

HE CHANGQING has a total of 21 patent applications. It increased the IP activity by 700.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, transport and engines, pumps and turbines are MICHIWAKI HIROSHI, FORM ROLL TECH CO LTD and WHEELSURE LTD.

Patent filings in countries

World map showing HE CHANGQINGs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

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

Top inventors

# Name Total Patents
#1 He Changqing 18

Latest patents

Publication Filing date Title
CN111089038A Centrifugal force generating device
CN110185765A A kind of differential mechanism automatic locking device
CN108757704A A kind of anti-loosening flange nut
CN108730312A A kind of Anti-loosening nut
CN108561399A A kind of anti-loosing fixing device
CN108425933A A kind of double nut reverse thread anti-loosing fixing device
CN108361266A A kind of double nut and spring washer combined type anti-loosing fixing device
CN108194477A A kind of self-locking pairs of anti-loose nut moves clamp device
CN108119511A A kind of double nut reverse thread anti-loosing fixing device
CN108159583A A kind of automatic hydraulic ramp-down device
CN109519277A A kind of straight-bar piston reciprocating type engine
CN105835612A Inflation-free explosion-proof wheel
CN105482932A Subdivision control method for proteolysis and saccharification in whole-malt juice production
CN105480015A Wheels without hubs
CN105257427A Duct fluid propelling device
CN105212622A A kind of Intelligent pillow
CN105128594A Mechanical wheel
CN104196620A Elliptical eccentric rotor engine
CN104118269A Explosion-proof buffer wheel
CN103963962A Butterfly air lift device