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BEIJING AEROSPACE CHANGFENG CO LTD

Overview
  • Total Patents
    157
  • GoodIP Patent Rank
    10,889
  • Filing trend
    ⇩ 61.0%
About

BEIJING AEROSPACE CHANGFENG CO LTD has a total of 157 patent applications. It decreased the IP activity by 61.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets medical technology, audio-visual technology and computer technology are YPSOMED AG, ASANTE SOLUTIONS INC and HUNAN MICOME ZHONGJIN MEDICAL SCIENCE & TECH DEV CO LTD.

Patent filings in countries

World map showing BEIJING AEROSPACE CHANGFENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 157

Patent filings per year

Chart showing BEIJING AEROSPACE CHANGFENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Diao Jun 84
#2 Liu Yanhui 34
#3 Li Li 21
#4 Zeng Lingzhi 16
#5 Liang Shuyan 16
#6 Shang Yuchi 14
#7 Liu Honglei 12
#8 Yan Quanguo 11
#9 Zhang Shuqing 10
#10 Wu Zhen 8

Latest patents

Publication Filing date Title
CN110909113A Hbase combined retrieval indexing method for judicial administrative information data
CN110837533A Method for realizing extraction and conversion of judicial resource information data by using Springboot framework to schedule button
CN111166981A Device for adjusting output oxygen concentration of respirator by utilizing Wen autumn principle
CN111166980A Method for adjusting output oxygen concentration of breathing machine by using Venturi valve
CN111166986A Anesthesia gas circuit equipped with laughing gas standby gas source and adopting reversing valve
CN111166992A Respirator flow valve knob capable of indicating currently set tidal volume
CN111166985A Multi-pressure-release-rate pressure release valve for breathing loop of anesthesia machine
CN111166984A Anesthesia gas circuit adopting pneumatic valve and reversing valve
CN111166598A Operating table convenient to adjust lift and inclination
CN111174835A Flowmeter for measuring and controlling gas flow of anesthesia machine
CN111174748A Real-time monitoring method for inclination angle of table top of operating table
CN111102279A Embedded shaft screwing mechanism
CN111102333A Embedded mechanism of screwing
CN110931119A Method for realizing operation management control of operating room by generating instruction through voice recognition
CN110931094A Method for generating operation record and assisting management application in operating room through voice recognition
CN110931099A Method for automatically generating doctor order record through voice recognition
CN109771772A Anesthesia machine route controller
CN109779931A It is a kind of that the blower fan structure of ventilator compressed gas source is provided
CN109771764A Medical gas pressure alarm
CN109771788A A kind of self-locking device of anesthesia evaporator