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QIN TONGHENG

Overview
  • Total Patents
    11
About

QIN TONGHENG has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping are WICANDERS CLOSURES AG, MCALPINE GILROY CLEMENTS and VIBIXA LTD.

Patent filings in countries

World map showing QIN TONGHENGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing QIN TONGHENGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Qin Tongheng 11

Latest patents

Publication Filing date Title
CN1651216A Injection moulding machine conical extrusion cylinder mechanism
CN1603100A Continuous plastic film bag making and sealing machine
CN1569578A Easily taken self-opening film sack product with single side exposed sack mouth
CN1537791A Plastic film refuse bag with elastic mouth
CN1539721A Elasticity closing in type disposable bag made from plastic thin film
CN1449906A Method for working opening of bag shape plastic film products
CN1451529A Method for making handy disposable plastic film gloves
CN1403272A Making process of hand drawn plastic film bag
CN1326890A Method for producing easy taking, self opening film bag
CN1317439A Easily taking-out film products contained in box or bag
CN1319542A Easy taking, self-opened type bag or box storage type film bag