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BEIJING SEVENSTAR FLOW CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    45,917
About

BEIJING SEVENSTAR FLOW CO LTD has a total of 34 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets control, measurement and mechanical elements are METALLGIESSEREI & ARMATURENFABRIK LYSS, RELF RESEARCH LTD and GEORGES CLESSE SA DES ETS.

Patent filings in countries

World map showing BEIJING SEVENSTAR FLOW CO LTDs patent filings in countries

Patent filings per year

Chart showing BEIJING SEVENSTAR FLOW CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Di 14
#2 Su Qianyi 14
#3 Chen Zhengtang 10
#4 He Manli 9
#5 Du Jingqing 8
#6 Zheng Wenning 7
#7 Mou Changhua 6
#8 Wang Rui 6
#9 Song Zhihui 5
#10 Urdaneta Nelson 2

Latest patents

Publication Filing date Title
CN112212950A Calibration system and calibration method of flowmeter
CN112000139A Gas mass flow controller and fault self-checking method
CN112000138A Gas mass flow controller
CN111883465A Process chamber pressure control device
CN111855179A Calibration method and calibration device for fluid mass flow controller
CN111853329A Electromagnetic valve and mass flow controller
CN111853328A Flow control device and mass flow controller
CN111665877A Pressure control method and device and photovoltaic equipment
CN111579013A Gas mass flow controller and flow calibration method thereof
CN111022737A Flow control method and proportional control valve
CN111043327A Pressure regulating valve, pressure control valve and reaction chamber
CN110672187A Sensor symmetry detection method and device
CN110553786A Pressure sensor compensation method and system
CN110375819A Part flow arrangement and mass flow controller
CN110209210A Filling member and mass flow controller for mass flow controller
CN110500406A Sealing structure and mass flow controller
CN111831022A Chamber pressure control method and device and semiconductor equipment
CN110500429A Flow control valve and reaction chamber pressure control device
CN111365484A Gas flow regulating device and mass flow controller
CN111276421A Flow distribution device, air inlet system and reaction chamber