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DUNLOP CO LTD

Overview
  • Total Patents
    1,968
About

DUNLOP CO LTD has a total of 1,968 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets machines, transport and macromolecular chemistry and polymers are DUNLOP HOLDINGS LTD, GOODYEAR TIRE & RUBBER and SEMPERIT AG.

Patent filings in countries

World map showing DUNLOP CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 385
#2 France 284
#3 Germany 274
#4 Canada 203
#5 Japan 203
#6 United States 179
#7 Ireland 95
#8 Spain 91
#9 Sweden 70
#10 South Africa 45
#11 Brazil 38
#12 Belgium 30
#13 Switzerland 14
#14 Austria 12
#15 Malaysia 10
#16 Netherlands 10
#17 Australia 8
#18 Turkey 5
#19 Norway 4
#20 Finland 3
#21 Denmark 2
#22 Argentina 1
#23 Italy 1
#24 Zambia 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Holmes Thomas 16
#2 Davis John Walter 16
#3 Vaughan George 15
#4 Jervis Roy 14
#5 French Tom 14
#6 Pritchard James 13
#7 Hanus Jean 13
#8 Merriman Peter 12
#9 Tomu Furenchi 11
#10 Wragg Reginald Trevor 11

Latest patents

Publication Filing date Title
US5509507A Multi-disc brakes
US5297874A Elastomeric bearing
US4892444A Resilient unit
US4826145A Resilient torsion bearing
JPS58193132A Method and device for extruding elastomer constitutional part
JPS57154521A Flexible joint
JPS57114711A Load transmitting member
JPS56143209A Elastomeric copolymer, its manufacture and tire with tread made from it
JPS56101080A Extractor for power from wave of surface of sea
JPS5764545A Flame-resisting chair pasting article
JPS5620472A Golf club
JPS5613205A Repair plug of pneumatic tire and its use
JPS54128022A Oil transportation pipe
JPS5542801A Method of treating vulcanized matter and its device
JPS5449703A Pneumatic tire and wheel rim assembly
JPS5386944A Servo device with reinforced hose
US3894449A Repair of tubeless pneumatic tires
MY7200035A Bonding of dissimilar materials
US3840629A Process and apparatus for the production of cylindrical blocks of synthetic plastic foam
US3797851A Vehicle suspension systems