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QINGDAO WANHE WINDOWS & DOORS ENG CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    87,809
  • Filing trend
    ⇩ 33.0%
About

QINGDAO WANHE WINDOWS & DOORS ENG CO LTD has a total of 19 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and electrical machinery and energy are PROMAT GMBH, DANIELS EVAN R and SM IND CO LTD.

Patent filings in countries

World map showing QINGDAO WANHE WINDOWS & DOORS ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing QINGDAO WANHE WINDOWS & DOORS ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Menghe 18
#2 Li Mengge 1

Latest patents

Publication Filing date Title
CN111662003A Single-piece non-heat-insulation refractory glass and processing method thereof
CN111792828A Fireproof glass and processing method thereof
CN111927264A I type glass cushion block and II type glass cushion block matched with same
CN111927263A Glass cushion block assembly and mounting method thereof
CN111155900A Novel full glass window
CN111155889A Full glass window with detachable glass movable sash
CN110924827A Fire-resistant unit window
CN110725642A Isobaric adhesive tape avoids lock point seal structure
CN109798051A A kind of Energy Saving Windows
CN109627019A A kind of fire resisting floating bead is the light weight castable refractory of raw material
CN107882485A A kind of aluminium alloy fire window of embedded headstock gear containing self-locking
CN107143267A Shutting window device and the fire window comprising this shutting window device
CN106869683A A kind of packaging technology of heat-insulation aluminium alloy window frame
CN106747508A A kind of light weight castable refractory suitable for door and window and preparation method thereof
CN106747507A A kind of light weight castable refractory and preparation method thereof
CN106320902A Aluminum alloy thermal-insulation and fire-resistant window
CN106088982A A kind of novel aluminum alloy fire window