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EXPANDED RUBBER CO LTD

Overview
  • Total Patents
    77
About

EXPANDED RUBBER CO LTD has a total of 77 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and civil engineering are EQUIP MENAGER ET IND E M I L, DI FILIPPO MARIAGIUSEPPINA and FEININGER NANJING ENERGY SAVING TECH CO LTD.

Patent filings in countries

World map showing EXPANDED RUBBER CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 51
#2 Canada 13
#3 United States 9
#4 France 4

Patent filings per year

Chart showing EXPANDED RUBBER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cooper Alfred 17
#2 Alfred Cooper 7
#3 Partington Douglas Edwin 3
#4 Macqueen Leonard Baxter 3
#5 Macqueen Leonard B 2
#6 Dann Brian Richard 2
#7 Franks Felix 2
#8 Baxter Macqueen Leonard 2
#9 Unsworth Alfred K 2
#10 Unsworth Alfred Kenneth 2

Latest patents

Publication Filing date Title
GB974291A Improvements in or relating to corrugated building boards
GB899389A Improvements in or relating to the production of expanded polyethylene
US3039991A Preparation of flame-resistant styrene polymer in the presence of a chlorinated ethylenically unsaturated compound and a brominated ester of phosphoric acid
GB915526A Improvements in or relating to marker buoys
GB867495A Improvements in or relating to the use of expanded polystyrene as a joint filler
GB902354A Improvements in or relating to flame-proofing polymeric materials
GB777614A Improvements in or relating to expanded bitumen
GB745558A Improvements in or relating to knee pads
GB756555A Improvements in or relating to the production of foamed plastic materials
GB733192A Improvements in or relating to the production of cellular products from polyvinyl acetals
US2746940A Production of cellulsar polyvinyl plastics
GB716495A Improvements in or relating to the manufacture of cellular materials
GB716366A Improvements in or relating to the production of cellular polyvinyl plastics
GB692616A Improvements in or relating to the production of sponge rubber
GB656220A Improvements in or relating to the production of cellular materials
GB657338A Improvements in or relating to the production of hard cellular materials
GB626151A Improvements in or relating to the production of cellular polyethylene
GB632208A Improvements in or relating to the production of cellular materials from rubber, plastics and bituminous compositions
US2531665A Manufacture of expanded thermoplastic materials
GB614458A Improvements in or relating to the manufacture of expanded thermoplastic materials