Learn more

HUNAN YUFENG VACUUM SCIENCE AND TECH CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    51,476
About

HUNAN YUFENG VACUUM SCIENCE AND TECH CO LTD has a total of 31 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets surface technology and coating, mechanical elements and measurement are UNITED WESTERN CORP, SCHAFER IAN BALLANTYNE and CVD SYSTEMS INC.

Patent filings in countries

World map showing HUNAN YUFENG VACUUM SCIENCE AND TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing HUNAN YUFENG VACUUM SCIENCE AND TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shu Yi 21
#2 Liu Guangdou 21
#3 Li Zan 21
#4 Li Guoqiang 15
#5 Zhou Yi 10
#6 Liu Guoli 5

Latest patents

Publication Filing date Title
CN112176307A Adjustable workpiece rotating stand of vacuum magnetron sputtering coating equipment
CN112176303A Magnetic field adjustable magnetron sputtering cathode
CN112176308A High-temperature-resistant substrate clamp
CN112176311A Simple grid device for vacuum coating equipment
CN112159966A Regional heat sink of magnetron sputtering
CN110615623A Getter feeding device for vacuum glass production line
CN110670021A High-temperature heating roller device for vacuum coating machine
CN110592546A Process gas distribution device of magnetron sputtering vacuum coating machine
CN110565073A Gas distribution device of chemical vapor deposition coating equipment
CN110629181A Vacuum chamber structure of large-scale magnetron sputtering coating machine
CN109405988A Online movement monitoring temperature measuring device in a kind of vacuum chamber
CN109680255A A kind of water-cooling system of monomer coating machine
CN109306458A A kind of even device of air of sputter cathode
CN109296727A A kind of power transmission device under vacuum environment
CN109357073A A kind of vacuum chamber turning plate valve device
CN109385612A Transmission mechanism positioning device in a kind of vacuum chamber
CN109371377A A kind of adjustable substrate clamping mechanism
CN109406818A A kind of continuous vacuum coating production line glass clamping device velocity measurement mechanisms
CN109355636A A kind of continuous coating production line inlet and outlet room air charging system
CN109489319A A kind of vacuum chamber cooling device