Learn more

NINGBO DONGLIAN MECHANICAL SEAL CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    122,916
About

NINGBO DONGLIAN MECHANICAL SEAL CO LTD has a total of 25 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 mechanical elements, macromolecular chemistry and polymers and materials and metallurgy are CRANE JOHN INC, KALLER SIGURD and FBJ ENG SERV.

Patent filings in countries

World map showing NINGBO DONGLIAN MECHANICAL SEAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing NINGBO DONGLIAN MECHANICAL SEAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yongping 22
#2 Li Youbao 22
#3 Cui Guisheng 7
#4 Youbao Li 3
#5 Yongping Li 3
#6 Huifang Chen 1
#7 Yubai Pan 1
#8 Huamin Kou 1
#9 Baoshun Li 1
#10 Ding Pan 1

Latest patents

Publication Filing date Title
CN104989828A Mechanical seam with improved structure
CN104989827A Mechanical sealing device for pump
CN104987076A High-toughness silicon carbide ceramic and low-temperature sintering technology thereof
CN104989822A Mechanical sealing device for kettle
CN104989823A Mechanical sealing device
CN104989824A Mechanical seal used for viscous medium
CN104061328A Mechanical seal with self-lubricating property
CN104030686A High-toughness silicon carbide ceramic and preparation method thereof
CN104030687A Silicon carbide ceramic and low temperature sintering method thereof
CN104033416A Mechanical sealing device
CN103979970A High-toughness pressurelessly sintered boron carbide bulletproof material and preparation method thereof
CN103979972A Hot-press sintered boron carbide bulletproof material and preparation method thereof
CN103979971A Liquid-phase sintered boron carbide bulletproof material and preparation method thereof
CN103981419A High-strength titanium carbonitride metal ceramic sealing material and preparation method thereof
CN103691954A Metal ceramic sealing element with high tenacity and preparation method thereof
CN103771836A Novel aluminum oxide metal ceramic sealing element and preparation method thereof
CN103774023A Titanium carbonitride metal ceramic sealing element and preparation method thereof
CN103627918A High-density boron carbide composite material and preparation method thereof
CN103641480A High-tenacity boron carbide composite material and preparation method thereof
CN103867722A Sealing device shaft structure supported by triangular cross section locking ring