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HUBEI DAYU HANGUANG VACUUM ELECTRONICS CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    101,118
  • Filing trend
    ⇩ 50.0%
About

HUBEI DAYU HANGUANG VACUUM ELECTRONICS CO LTD has a total of 17 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, machine tools and macromolecular chemistry and polymers are PACIFIC ENGINEERING CORP, NINGBO YINZHOU YONGLIN ELECTRON ELECTRICAL EQUIPMENT CO LTD and DELIXI ELECTRIC CO LTD.

Patent filings in countries

World map showing HUBEI DAYU HANGUANG VACUUM ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing HUBEI DAYU HANGUANG VACUUM ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Ti 17
#2 Wang Qinghua 16
#3 Ouyang Fei 1

Latest patents

Publication Filing date Title
CN111785563A High-temperature-resistant main shielding cylinder for vacuum arc-extinguishing chamber and manufacturing method thereof
CN111640615A Fixing structure of vacuum arc-extinguishing chamber shielding cylinder and sealing treatment method thereof
CN109830400A A kind of vacuum interrupter with high-cooling property
CN108565177A A kind of contact cooling system of good heat dissipation effect
CN108648956A A kind of vacuum arc extinguishing chamber corrugated tube of bounce-proof
CN108413031A A kind of sealing technology of bellows
CN108039297A A kind of voltage that adjusts in real time is to vacuum interrupter ageing device and its ageing method
CN107749368A A kind of vacuum interrupter for improving caloric value
CN107993864A One kind combines electric current and voltage to vacuum interrupter ageing device and ageing method
CN107170641A A kind of vacuum detecting method of vacuum interrupter
CN107170634A A kind of exposed shielding device for accelerating vacuum interrupter to radiate
CN107189170A A kind of packing material for being used to accelerate vacuum interrupter to radiate and preparation method
CN106653467A Vacuum arc-extinguishing chamber contact structure
CN106495744A Powder for ceramic metallizing paste on vacuum interrupter and preparation method thereof
CN106493108A A kind of no-sour cleaner technique of vacuum interrupter
CN104353745A Spinning and edge rolling process device for vacuum arc extinguishing chamber
CN104385109A Acid-free surface treatment technology of electrical pure iron and stainless steel parts for electrical vacuum device