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Henan sanwei heavy industry co ltd

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    162,503
About

Henan sanwei heavy industry co ltd has a total of 21 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and mechanical elements are IIDA MFG, ASAHI ISHIWATA KOGYO KK and OD KT I PORSHNEVYM KOLTSAM.

Patent filings in countries

World map showing Henan sanwei heavy industry co ltds patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing Henan sanwei heavy industry co ltds patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 He Dongfeng 17
#2 Hou Wenhan 17
#3 Chen Yansong 17
#4 Yansong Chen 4
#5 Dongfeng He 3
#6 Jianluo Wang 2
#7 Lemin Liu 1

Latest patents

Publication Filing date Title
CN104389915A Improved flange jaw for cross-axle universal coupling
CN104358779A Improved vertical roll bearing of rolling mill
CN104315009A Sealing assembly for universal joint for crossed shaft type universal shaft coupler
CN104315148A Improved sealing element for universal joint of cross axle type universal shaft coupler
CN104315006A Improved end cover structure for cross axle type universal shaft coupler
CN103758856A Thrust bearing for cross package of cross shaft type universal coupling
CN103758867A Rolling body structure of self-aligning roller bearing
CN103758882A Oil guide structure on end cover for universal couplings with spiders
CN103758883A Improved end cover structure for universal couplings with spiders
CN103758878A Spline pair with centering function
CN103591157A Improved spline pair
CN103591131A Improved thrust bearing for cross axle type universal coupling cross package
CN103591165A Oil-guiding end cover for cross-shaft type universal coupler
CN103573840A Improved end cover for universal joint pin type universal coupler
CN103573822A Rolling body of self-aligning roller bearing
CN103148113A Check ring component for cross axle type universal coupling
CN103148112A Improved cross shaft type universal coupling
CN102518658A Four-row cylindrical roller bearing for novel roll squeezer
CN102513190A Cement mill supporting mechanism
CN102155499A Improved crossing axle universal joint