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DALIAN HUAYANG SEALS CO LTD

Overview
  • Total Patents
    65
  • GoodIP Patent Rank
    190,717
About

DALIAN HUAYANG SEALS CO LTD has a total of 65 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are ENVIROSEAL ENGINEERING PRODUCTS LTD, DANDONG COLOSSUS GROUP CO LTD and WERNERT PUMPEN GMBH.

Patent filings in countries

World map showing DALIAN HUAYANG SEALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 65

Patent filings per year

Chart showing DALIAN HUAYANG SEALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baojun Zhang 11
#2 Lijuan Zhao 9
#3 Xueyi Li 9
#4 Zhuolong Zou 8
#5 Yupeng Wang 7
#6 Xujia Li 6
#7 Xinlong Chen 6
#8 Huixia Yang 5
#9 Chao Guo 4
#10 Wang Yupeng 4

Latest patents

Publication Filing date Title
CN104533827A Mechanical seal suitable for ANSI standard pump cavity
CN104565368A Parking seal device for top stirrer and seal method thereof
CN104565381A Dry gas seal for back pressure prevention dual-end-face pump
CN104564788A Dry gas seal for back pressure prevention pump used in medium which contains suspended solids
CN104534095A Mechanical seal for pressure filtering machine with large shaft telescopic amount
CN104196702A Dry gas seal first-level leakage recovery system of natural gas long-distance transport pipe compressor
CN102661392A Sealing silicon carbide ring separation method and processing device thereof
CN102644745A Mechanical seal for twin-screw tail of extrusion granulator
CN102644751A Dynamic seal structure of position of mechanical seal slippage diameter
CN102644586A Mechanical sealing material blocking device
CN102644750A Anti-swing mechanical seal
CN102644648A Bolt locking device
CN102644752A Common drive sleeve for mechanical seal
CN102644620A Sealing transmission structure with higher reliability
CN102644580A Mechanical sealing structure suitable for compressor
CN102644753A Mechanical seal flushing structure
CN102678929A Bearing protection device used for sealing of bottom stirrer
CN102678935A Pump ring used for mechanical seal
CN102644749A Shaft sleeve structure convenient for detachment of mechanical seal
CN102678933A Transmission ring for mechanical sealing