Learn more

CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    188,054
About

CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP CO LTD has a total of 17 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 agriculture, mechanical elements and transport are HOLDER GMBH & CO GEB, OTTO TEWES and JIANGSU WORLD AGRICULTURAL MACHINERY CO LTD.

Patent filings in countries

World map showing CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Xiong Jilin 5
#2 Maohong Chang 4
#3 Jilin Xiong 4
#4 Ge Jianhua 4
#5 Zuohua Dong 3
#6 Jianhua Zhang 2
#7 Yan Baolong 2
#8 Zhang Jiuwen 2
#9 Liu Heng 2
#10 Gu Hongwei 2

Latest patents

Publication Filing date Title
CN108650989A System is cleared up in cotton picker air inlet
CN106489896A Crawler type woods fruit spraying machine
CN106508864A Grapefruit sprayer with suspended track
CN106015548A Hydrostatic drive stepless speed change operation and shifting device
CN105383577A Triangular-caterpillar-band rear wheel drive device of tractor
CN106688437A Air-suction impurity-removing chopping device used for harvester
CN103615532A Control device of hydrostatic continuously variable transmission
CN103612623A Hand braking control mechanism of roller tractor
CN103615481A Ratchet wheel parking braking device of roller tractor
CN103081600A Linkage device of tractor lifter manipulation and power output
CN103009189A Slender axle multi-station different drilling fixture
CN102943863A Pre-tightening force measuring device of driving gear assembly of gearbox of tractor
CN101947972A Turning and speed-multiplying mechanism of wheeled tractor capable of reducing turning radius
CN101936385A Safety protection mechanism for starting and gearing of tractor
CN101670849A Steering mechanism of three-wheel tractor
CN101327737A Linkage safety device of tractor reverse gear lifting mechanism when driving
CN101327741A Protecting equipment for cutting power output of tractor when moving with reverse gear