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DAFENG OKAY FLUID MACHINERY CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    159,641
About

DAFENG OKAY FLUID MACHINERY CO LTD has a total of 13 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements are TIANJIN TIANFEI HIGH TECH VALVE CO LTD, HIKARI GOKIN SEISAKUSHO KK and SAUERSTOFF FABRIK BERLIN G M B.

Patent filings in countries

World map showing DAFENG OKAY FLUID MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing DAFENG OKAY FLUID MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Venting or aerating devices

Top inventors

# Name Total Patents
#1 Gu Yunfei 13
#2 Ding Xuefeng 13
#3 Cai Lei 11
#4 Zhu Huabing 2
#5 Li Bo 2

Latest patents

Publication Filing date Title
CN105422897A Ultra-low temperature ball valve
CN105422889A Ultra-low temperature gate valve
CN103899799A Pressure self-sealing swing check valve
CN103899780A Pressure self-sealing sluice valve
CN103899798A Swing check valve
CN103899779A Pressure self-sealing sluice valve
CN103899767A Pressure self-sealing stop valve
CN103899817A Parallel sliding sluice valve
CN103899768A Pressure self-sealing stop valve
CN103899782A Float ball valve
CN103899800A Lifting check valve
CN103225700A Fixed ball valve
CN103195953A Swing check valve