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TIANJIN QINGHUA HENGSEN PIPELINE MFG CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    179,702
About

TIANJIN QINGHUA HENGSEN PIPELINE MFG CO LTD has a total of 21 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, machine tools and machines are VSR ENGINEERING GMBH, TIANJIN WANSHIDA PRINTER PACKAGING CONTAINER CO LTD and KUMAG AG.

Patent filings in countries

World map showing TIANJIN QINGHUA HENGSEN PIPELINE MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing TIANJIN QINGHUA HENGSEN PIPELINE MFG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zuo Xianting 8
#2 Si Baojiang 7
#3 Guanglin Du 4
#4 Baojiang Si 4
#5 Yichen Huang 3
#6 Du Guanglin 3
#7 Liu Yusheng 2
#8 Huang Yichen 2
#9 Jianguo Li 1

Latest patents

Publication Filing date Title
CN110877822A Vacuum feeding system
CN110877829A Metering powder supply system
CN108068031A A kind of long tube processing stent
CN108067922A A kind of long tube processing blanking device
CN108069201A A kind of long tube transmission device
CN108067386A Spraying equipment in a kind of long tube
CN108069243A A kind of long tube processing transmission device
CN108069200A A kind of long tube pendant
CN103041969A Manufacturing process of high temperature and wear-resistant impermeable steel-plastic composite pipe
CN103041972A Plastic-coated pipe automatic spraying process
CN103041963A Program-controlled powder supply and dust removal device
CN103041965A Novel spray-coating dedusting device
CN103041964A Program-controlled spiral PE (polyethylene) powder supply device
CN103041974A Method for restoring plastic-coated layer of plastic-coated pipe welded junction
CN103047484A Manufacture method for lengthened plastic-coated pipes
CN102451935A Saw blade cold-cutting process
CN102454832A Manufacturing process of composite fire-prevention water supply pipe
CN102451813A Thermal impregnation processing technique for power tube
CN102454833A Externally-galvanized internally-plastic-coated composite steel tube
CN102451816A Power threading tube manufacturing method