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DONGHAI CHANGCHUN DOORS AND WINDOWS CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    106,819
About

DONGHAI CHANGCHUN DOORS AND WINDOWS CO LTD has a total of 16 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and transport are JIANGSU JINXIN SECURITY EQUIPMENT CO LTD, ANHUI WEISIJIA ENERGY SAVING WINDOWS & DOORS CO LTD and ALUMIN BUILDING COMPONENTS LTD.

Patent filings in countries

World map showing DONGHAI CHANGCHUN DOORS AND WINDOWS CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing DONGHAI CHANGCHUN DOORS AND WINDOWS CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Rui Lirong 14
#2 Pang Wei 2

Latest patents

Publication Filing date Title
CN112009536A Transfer equipment for door and window production and use method
CN112122795A Cutting equipment for processing and producing plastic-steel doors and windows
CN111959597A Door and window frame transfer equipment for door and window production
CN112031601A Waterproof and anti-collision sliding door and window and composite door and window
CN111963017A Heat-insulation reflection energy-saving door and window
CN111963016A Door and window with heat insulation effect
CN112024297A Gluing equipment and gluing method for door and window production
CN111993211A Corner polishing equipment and gluing method for door and window production
CN112025644A Assembling and fixing equipment and fixing method for door and window production
CN111911017A Magnetic attraction device in door and window frame sill of aluminum-wood composite door and window
CN111677418A Door and window reinforced connection structure
CN110653553A Welding auxiliary assembly that door was restoreed and is used
CN110630153A Protective door body of ceramic production workshop
CN110607985A Rolling screen window capable of cleaning glass
CN110303072A A kind of Portable steel pipe straightener
CN110307332A A kind of shift fork self-lubricating design