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ZHEJIANG GOLDSTONE PACKING CO LTD

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    55,423
  • Filing trend
    0.0%
About

ZHEJIANG GOLDSTONE PACKING CO LTD has a total of 43 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets surface technology and coating, packaging and shipping and machines are CONSTANTIA PIRK GMBH & CO KG, STICHTING FMLC and AMCOR FLEXIBLES ITALIA S R L.

Patent filings in countries

World map showing ZHEJIANG GOLDSTONE PACKING CO LTDs patent filings in countries
# Country Total Patents
#1 China 43

Patent filings per year

Chart showing ZHEJIANG GOLDSTONE PACKING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Wenming 28
#2 Sun Guojin 26
#3 Zhang Wenfeng 9
#4 Chen Can 9
#5 Ji Juan 8
#6 Ji Feng 8
#7 Guojin Sun 7
#8 Yang Huping 7
#9 Wenming Zeng 6
#10 He Songting 6

Latest patents

Publication Filing date Title
CN112267327A Non-milk-staining composite material and non-milk-staining paper cup
CN111690300A Barrier coating and high-barrier composite material using same
CN111532572A Dehumidification bag and preparation method thereof
CN110436050A A kind of Easy tearing lid
CN110549714A Straw cup seals complex film
CN110421916A A kind of complex pocket of nonwoven cloth material
CN110437790A A kind of preparation method of solventless adhesive, composite soft packaging material and composite soft packaging material
CN110356707A A kind of delustring aluminium foil and preparation method thereof
CN110370739A A kind of packing film and preparation method thereof
CN110370740A A kind of packaging membrane material, the preparation method of mask packaging bag and mask packaging bag
CN109291597A A kind of package compound film of media-resistant and preparation method thereof
CN109291570A A kind of polystyrene modeling cup sealed membrane and preparation method thereof for post-fermentation Yoghourt
CN109291580A A kind of plastic-aluminum combined sealed membrane and preparation method thereof
CN109177415A A kind of package compound film and preparation method thereof
CN107097502A Stick pack easily tears composite membrane and its manufacture method
CN107415382A Transparent Easy tearing lid sealed membrane and its manufacture method
CN107150473A Ceramic vessel sealed membrane and its manufacture method
CN107089413A Straight line easily tears complex pocket and its manufacture method
CN106079791A Composite membrane printing variable code and preparation method thereof in a kind of location
CN106003963A Milk-proof heat sealing film and preparation method thereof