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DALIAN DV VALVE CO LTD

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    66,911
  • Filing trend
    ⇧ 300.0%
About

DALIAN DV VALVE CO LTD has a total of 43 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machine tools and materials and metallurgy are NELIMARKKA JUHA ANTTI ELIA, ZHEJIANG ZHONGDE AUTOMATIC CONTROL SCIENCE AND TECH JOINT STOCK CO LTD and JIANGSU RELIABLE MECH EQUIPMENT CO LTD.

Patent filings in countries

World map showing DALIAN DV VALVE CO LTDs patent filings in countries
# Country Total Patents
#1 China 43

Patent filings per year

Chart showing DALIAN DV VALVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xiao Jian 17
#2 Jiang Songzhi 12
#3 Ji Changquan 9
#4 Wang Shuai 8
#5 Liu Hongyu 7
#6 Xia Yuanhong 7
#7 Xu Yuebo 6
#8 Bai Yuchang 5
#9 Yuchang Bai 4
#10 Changquan Ji 4

Latest patents

Publication Filing date Title
CN110701310A Nuclear-grade electric sodium bellows stop valve
CN110594419A Angle type lifting check valve
CN110486501A Three-way cut-off valve
CN108361423A The electronic bellows angle type stop check valve of core level-one heavy caliber
CN108374914A Bidirectional non-return valve
CN108361395A Major accident unloads pressure cutoff valve
CN108361399A Major accident release gate valve
CN108036086A Swing check valve with operation device
CN107044557A Suitable for the gas-liquid linked drive device of main steam isolation valve
CN105499477A Nuclear-grade 1 blasting valve shearing cap forging process
CN105779742A Heat treatment process of nuclear first-grade squib valve shearing cap
CN105443790A Adjustable double wedge disc
CN105443924A Heat insulation structure of high-temperature valve
CN105570484A Main steam isolation valve of high-temperature gas cooled reactor
CN105665608A Forging technique for nuclear-grade F91 valve body
CN104989838A High-pressure and ultra-large diameter rapidly-closed main steam isolating valve
CN105020427A Large-diameter top-mounted ultra-low temperature ball valve
CN104358890A Flashboard structure for wedge gate valve
CN104455584A Main water feed check valve
CN104482240A Nuclear-grade electric ball valve connected with magnetic driver