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TIANJIN LONGJIA SPECIAL DOORS AND WINDOWS CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    80,463
  • Filing trend
    ⇩ 100.0%
About

TIANJIN LONGJIA SPECIAL DOORS AND WINDOWS CO LTD has a total of 20 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, chemical engineering and control are ANHUI ANWANG DOOR SHARES CO LTD, JOSKO FENSTER UND TUEREN GMBH and KIM BAEK DOO.

Patent filings in countries

World map showing TIANJIN LONGJIA SPECIAL DOORS AND WINDOWS CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing TIANJIN LONGJIA SPECIAL DOORS AND WINDOWS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rong Shaochun 10
#2 Rong Hua 10

Latest patents

Publication Filing date Title
CN110847780A Indoor door of ventilation type environmental protection with air-purifying function
CN110847789A Indoor door of environmental protection with dust absorption function
CN110821366A Light indoor fireproof door with fireproof function
CN110821362A Conveniently change indoor door of environmental protection of peculiar smell adsorption material
CN110863759A Indoor door with sound insulation protection effect
CN110761691A High strength fire prevention baking finish door
CN111188554A Indoor timber with dampproofing anticorrosive function
CN110206435A A kind of sliding indoor door with pooling feature
CN110017091A A kind of anti-deformation environmental protection interior door with reinforcement structure
CN110159156A A kind of indoor wooden door with taste removal purification function
CN108571270A A kind of fire resistant doorsets that shock resistance is strong
CN108571269A A kind of removable fire resistant doorsets
CN108571271A One kind is every cigarette escape fire-proof door
CN108571274A A kind of heat-insulating fireproof door
CN108571273A A kind of fire prevention interior door
CN108571272A A kind of heat preservation and soundproof interior door
CN108571267A A kind of interior door with anti-theft feature
CN108571268A A kind of fire resistant doorsets being easily installed
CN108571243A A kind of interior door automatic invisual bolt for dual structure
CN108571256A A kind of interior door with pooling feature