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XIANGTAN HONGDA VACUUM TECHNOLOGY CO LTD

Overview
  • Total Patents
    16
About

XIANGTAN HONGDA VACUUM TECHNOLOGY CO LTD has a total of 16 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 surface technology and coating and mechanical elements are CHANGSHU ZHONGKAI INSTR CO LTD, JIAXING DAIYUAN VACUUM TECH CO LTD and MA XIAOWEI.

Patent filings in countries

World map showing XIANGTAN HONGDA VACUUM TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing XIANGTAN HONGDA VACUUM TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Hong 16
#2 Sun Guihong 16
#3 Zhu Haisheng 16
#4 Huang Le 16
#5 Wu Yongguang 16
#6 Huang Guoxing 16

Latest patents

Publication Filing date Title
CN104712773A Rotation gate valve for vacuum coating production line
CN104711535A Monitoring system for vacuum film plating production line
CN104709680A Conveying car for vacuum coating production line
CN104712224A Door body structure for vacuum coating production line
CN104711536A Substrate recognition device for vacuum film plating production line
CN104711537A Substrate transporting device for vacuum film plating production line
CN104711533A Adjustable substrate mounting device for vacuum film plating production line
CN104711511A Temperature adjusting apparatus for vacuum film plating production line
CN104018130A Vacuum coating production line
CN104711539A Close sealing mechanism for vacuum film plating production line
CN104018129A Cathode device for vacuum coating production line
CN104711517A Transmission mechanism for vacuum film plating production lines
CN104711538A Transport system for vacuum film plating production lines
CN104711518A Vacuum film plating production line pipeline coupling apparatus