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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 3 | |
#3 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Civil engineering | |
#3 | Macromolecular chemistry and polymers | |
#4 | Mechanical elements | |
#5 | Environmental technology |
# | 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 |
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 |