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HEFEI YIZHI DOOR AND WINDOW CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    54,534
  • Filing trend
    ⇩ 6.0%
About

HEFEI YIZHI DOOR AND WINDOW CO LTD has a total of 29 patent applications. It decreased the IP activity by 6.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, civil engineering and materials and metallurgy are HEFEI YIZHI DOORS & WINDOWS CO LTD, ANHUI HENGXING DECORATION ENG CO LTD and YANGZHOU RONGSEN ENERGY TECH CO LTD.

Patent filings in countries

World map showing HEFEI YIZHI DOOR AND WINDOW CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing HEFEI YIZHI DOOR AND WINDOW CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhongqi 29

Latest patents

Publication Filing date Title
CN108796310A A kind of high-strength aluminum alloy integration casting window frame
CN108341653A A kind of anti-fire door core board manufacturing process containing magnesium sulfate
CN108359299A A kind of special fluorocarbon coating of aluminium section bar and preparation method thereof
CN108517085A A kind of insulation fire prevention high-strength light sash stuff and preparation method thereof
CN108342068A A kind of novel wood-plastic fire resistant doorsets and preparation method thereof
CN108410238A A kind of preparation method of window or door when fire coating
CN108410087A A kind of PVC plastic door-window section bar and preparation method thereof
CN108517084A A kind of wood plastic composite and preparation method thereof for indoor doors or windows
CN108358514A A kind of Novel fire-proof door coreboard and preparation method thereof
CN108409274A A kind of fire-resistant door core and preparation method thereof
CN108517100A A kind of wood plastic composite and preparation method thereof being suitable for outdoor door and window
CN108409159A A kind of preparation method of bathroom moving door frosted antifogging self-cleaning glass
CN108315659A A kind of corrosion-resistant stainless steel and its processing technology for metal door and window
CN108315608A A kind of aluminum alloy doors and windows and preparation method thereof
CN107344824A Good fire-resistant door core plate material of a kind of soundproof effect and preparation method thereof
CN107446400A A kind of preparation method of antirust agent for metal door and window
CN107415355A A kind of fire protection flame retarding composite fire door
CN107448102A A kind of bathroom frosted antifog glass sliding door
CN107254120A A kind of plastic-steel door and window material of high tenacity and preparation method thereof
CN107345020A A kind of door glass thermal isolation film