Learn more

RALPHS ENGINEERING COMPANY LTD

Overview
  • Total Patents
    33
About

RALPHS ENGINEERING COMPANY LTD has a total of 33 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets textiles and paper, machines and furniture and games are KRENTLER ARNOLD HINGE LAST COMPANY, CAMPEX RES AND TRADING CORP and KAMBORIAN JACOB S.

Patent filings in countries

World map showing RALPHS ENGINEERING COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 France 10
#3 United States 5
#4 Canada 3
#5 Germany 2

Patent filings per year

Chart showing RALPHS ENGINEERING COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ralphs George Trevor 9
#2 Trevor Ralphs George 5
#3 Husbands Thomas Gimson 2
#4 Bailey Frank Gordon 2
#5 Hemus Frederick Herbert 2
#6 Ralphs George T 2
#7 Boddy Harold A 1
#8 Seagrave Barton 1

Latest patents

Publication Filing date Title
US3274628A Manufacture of shoe components
US3147500A Processing of shoe soles
GB1022951A An improved adhesive-applying machine
GB979011A Improvements in or relating to processing of shoe soles
GB1008081A Improvements in machines for operating on edge portions of workpieces
US3141183A Machines for lasting footwear
GB981214A Improvements in apparatus for performing operations on shoe components
GB958212A Improvements in or relating to machines for lasting footwear
GB958213A Improvements in or relating to apparatus for lasting footwear
US2861283A Shoe press
GB747854A An improved shoe press
GB682030A An improved scarifying tool for use in a sole-roughing machine
GB668383A A dust extraction unit
GB671217A A pulling-over or assembling machine for use in the manufacture of footwear of the veldtschoen or sandal type
GB681987A An improved sole-roughing machine
GB653571A Apparatus for applying paste or the like to the surface of a sheet-like article
GB653572A Improvements in apparatus for the pressure supply of a liquid or paste
CA675925A Machines for lasting footwear
CA579347A Shoe press
CA711418A Machines for lasting footwear