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DAVID BRIDGE & COMPANY LTD

Overview
  • Total Patents
    32
About

DAVID BRIDGE & COMPANY LTD has a total of 32 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets machines, mechanical elements and machine tools are VNII REZINOTEKH MASH, WITTROCK LUDWIG and KOO SUNG HOI.

Patent filings in countries

World map showing DAVID BRIDGE & COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 22
#2 France 6
#3 United States 3
#4 Germany 1

Patent filings per year

Chart showing DAVID BRIDGE & COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Joseph Brown 3
#2 Ellwood Henry 3
#3 Walton George Norman 2
#4 Price Robert Vincent 1
#5 Brown Joseph 1
#6 Clews Terence Robert 1
#7 Purdy Geoffrey 1

Latest patents

Publication Filing date Title
GB1253886A Improvements in or relating to the production of sheets of material
GB1253966A Improvements in and relating to pelletizing machines
GB1162563A Improvements in or relating to Banbury-Type Mixers
GB1200728A Improvements in cutting devices traversed by power means
GB1172223A Machine for making Cables or Ropes
GB798837A Improvements in or relating to safety devices for mills and the like for rubber, plastic and like material
GB685364A Improvements in or relating to plastic extruding machines or appliances
GB685992A Improvements in or relating to lubricating systems for machinery
GB607761A Improvements relating to the casting and extruding of metals
US2536623A Sealing device for rotating shafts of machinery
GB584264A Improvements in or relating to sealing assemblies for rotating shafts of machinery
GB572204A Means for dealing with plastics of the thermoplastic and thermosetting groups for delivery to extruder and other machines
GB573312A Improvements in or connected with nozzles or discharge or delivery heads for plasticextruding machines or appliances
US2345321A Bearing for rolling mills, mixers, and calenders
GB553617A Improvements connected with the bearings of rolling mills, mixers, calenders, or like apparatus for acting on rubber or like mixes or masses
GB552542A Improvements connected with the bearings of rolling mills, mixers, calenders, or like apparatus for acting on rubber or like mixes or masses
GB552515A Improvements in machines for mixing, masticating, breaking down or re-claiming rubber products, or for mixing rubber compositions or plastics
DE626081C Mixing machine for rubber or other plastic compounds
GB108577A Improvements in Bias Cutting Machines.
GB191500978A Improvements in Vulcanising Presses.