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DAVIES & METCALFE

Overview
  • Total Patents
    78
About

DAVIES & METCALFE has a total of 78 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets transport, engines, pumps and turbines and mechanical elements are GRESHAM HARRY EDWARD, KNORR BREMSE SYSTEMS FOR RAIL VEHICLES SUZHOU CO LTD and WABCO WESTINGHOUSE EQUIP.

Patent filings per year

Chart showing DAVIES & METCALFEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Croxon Metcalfe James 10
#2 David Metcalfe Richard 10
#3 Holland James Edward 8
#4 Metcalfe Richard 5
#5 Bowran Jack 4
#6 Marsden Robert Kenneth 3
#7 Hunter Ian Pearson 2
#8 Hunter I 2
#9 Hall Alan David 1
#10 Griffin Joseph F 1

Latest patents

Publication Filing date Title
GB9401433D0 A cock
GB9401471D0 A coupling
GB9102502D0 Improvements in or relating to braking systems
GB9023641D0 Improvements in or relating to brake mechanisms
AU5830890A An air brake system
GB8913655D0 A filter
GB8913654D0 An air brake system
GB8913045D0 Track brake
GB8412745D0 Rail vehicle brake
GB8402599D0 Disc brake adjustment
AU8092482A Brake valve
GB2093938A Quick take-up and release of brakes
GB1576149A Railway train braking system
GB1573042A Rail vehicle brake
ZA7505711B Springbrake unit
GB1514163A Air brakes
GB1510104A Brake systems
GB1508303A Brake system
US3895695A Spring applied fluid released brake unit
GB1299408A Improvements in or relating to air pressure braking systems