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SPROULE ROBERT FRITH

Overview
  • Total Patents
    12
About

SPROULE ROBERT FRITH has a total of 12 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets textiles and paper, machines and machine tools are UMAT, CUIR JEAN PIERRE and MESSERSCHMITT ELMAR.

Patent filings in countries

World map showing SPROULE ROBERT FRITHs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 3

Patent filings per year

Chart showing SPROULE ROBERT FRITHs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sproule Robert Frith 12

Latest patents

Publication Filing date Title
US968430A Relief stamping or printing press.
GB190824736A Improvements in Relief Stamping or Printing Presses.
GB190727484A Improvements in Relief Colour Stamping Presses
GB190203489A An Improvement in Relief Colour Stamping Presses.
GB190200845A An Appliance for Balancing End Pressure in Lengths of Pipe.
GB190111521A Improvements relating to the Gumming of Envelope Blanks.
US640041A Stamping-press.
US640713A Paper-cutter.
GB189905463A An Improvement in Guillotine Paper Cutters.
GB189901690A Improvements in Relief Colour Stamping Presses.
GB189523309A Improvements in Relief Colour Stamping Presses.
GB189406005A Improvements in Printing Machines.