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HANGZHOU HANGYANG KOSO PUMP & VALVE CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    134,565
  • Filing trend
    ⇧ 100.0%
About

HANGZHOU HANGYANG KOSO PUMP & VALVE CO LTD has a total of 14 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machine tools and measurement are TOYO STAINLESS KOGYO KK, BEIJING AEROSPACE PETROCHEMICAL TECH EQUIPMENT ENGINEERING CORPORATION and HUNAN PUMP VALVE MANUFACTORY CO LTD.

Patent filings in countries

World map showing HANGZHOU HANGYANG KOSO PUMP & VALVE CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing HANGZHOU HANGYANG KOSO PUMP & VALVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Yun 10
#2 Ling Hai 4
#3 Huang Weimin 3
#4 Chen Gang 3
#5 Wang Weibo 3
#6 Wang Jianfeng 2
#7 Liu Sufang 2
#8 Zhang Youjun 2
#9 Jin Ping 1
#10 Li Yixian 1

Latest patents

Publication Filing date Title
CN111745202A High-speed universal milling head
CN111306353A Double-sealing device suitable for ultra-low temperature regulating valve
CN109488601A A kind of high pressure vertical multistage low-temperature centrifugal pump with the design of bearing tank moduleization
CN108626428A A kind of ultralow temperature upper-mounting type ball valve
CN107132037A A kind of experimental rig for testing low-temperature spray nozzle flow
CN105351583A Pilot balance type cage-type control valve clack structure
CN104006175A Self-tuning safety valve clack structure
CN104006191A Safety valve structure with pilot arranged externally
CN103821952A Three-rod type switchover butterfly valve
CN103821979A Multistage depressurization valve
CN103821976A Valve element structure with double guiding structures
CN103953574A Shaft seal structure of low temperature pump and sealing gas control system of shaft seal
CN103821948A Bellows seal valve
CN102927293A Emergency cut-off valve at bottom of built-in tank in low-temperature liquid storage tank