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GRANDVIEW IND LIMITED

Overview
  • Total Patents
    12
About

GRANDVIEW IND LIMITED has a total of 12 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and Norway. Its main competitors in its focus markets machines, civil engineering and macromolecular chemistry and polymers are WUXING MATERIAL TECHNOLOGY JIANGSU CO LTD, JUNXING PIPE INDUSTRY CO LTD and QINGDAO YISHIBAO PLASTIC CO LTD.

Patent filings in countries

World map showing GRANDVIEW IND LIMITEDs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3
#3 Norway 1

Patent filings per year

Chart showing GRANDVIEW IND LIMITEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ronden Clifford P 7
#2 Rabel Imre 3
#3 Mckenzie Robert P 2
#4 Hacke Gerhard A 2
#5 Bennett David W 1
#6 Ronden C P 1
#7 Ronden Clifford Paul 1

Latest patents

Publication Filing date Title
US4083918A Method for belling plastic pipe
US4078867A Traffic marker post
US4076477A Multiple extrusion apparatus
US4008028A Apparatus for belling plastic pipe
US3936080A Pipeline expansion joint having a smooth bore
US3883624A Recovery and utilization of scrap in production of foamed thermoplastic polymeric products
CA1004016A Recovery and utilization of scrap in production of foamed thermoplastic polymeric products
US3936417A Coilable polyvinyl chloride products and methods and compositions for producing the same
US3910744A Apparatus for belling plastic pipe