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ALFRED DE FRIES

Overview
  • Total Patents
    66
About

ALFRED DE FRIES has a total of 66 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets machine tools, transport and engines, pumps and turbines are FRIES ALFRED DE, WILLIAM LEONARD CLOUSE and AMAFA SERVICE SRL.

Patent filings in countries

World map showing ALFRED DE FRIESs patent filings in countries
# Country Total Patents
#1 Germany 42
#2 United Kingdom 14
#3 France 9
#4 Switzerland 1

Patent filings per year

Chart showing ALFRED DE FRIESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fries Alfred De 9
#2 De Fries Alfred 1

Latest patents

Publication Filing date Title
GB326014A Improvements in or relating to nut chamfering machines
GB319165A Improvements in or relating to nut blank forging machines
GB321834A Improvements in or relating to nut-blank forging machines
GB317261A Improvements in or relating to draught screens for vehicles
GB270597A Improvements in or relating to machines for screwing nuts upon bolts or the like
GB261657A Improvements in or relating to machines for making nuts from cold bar-stock
GB257890A Improvements in or relating to nut tapping machines
GB248607A Improvements in machine for finishing bolts and similar work
GB233100A Improvements in hot nut presses
GB207394A Holder for screw bolts in stepwise rotatable work holder
GB176124A Improvements in or relating to means for manufacturing nuts or the like
GB174397A Improvements in machines for removing the burr from the top and bottom faces of nutsand for removing the burr from the heads of screw bolts and simultaneously pointing or rounding off the end
GB159265A Improvements in machines for upsetting metal blanks
GB156915A Machine for operating on bolts