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JOHN EVANS SONS

Overview
  • Total Patents
    12
About

JOHN EVANS SONS has a total of 12 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and transport are SCHENCK CORP, JOHNSON GODFREY BENINGTON and WHISTLER & SONS.

Patent filings in countries

World map showing JOHN EVANS SONSs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing JOHN EVANS SONSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Evans William 9
#2 William Evans 2
#3 Knauff Paul W 2
#4 Evans John H 1

Latest patents

Publication Filing date Title
US1426165A Machine for making spring eyes
US1339443A Machine for forming spring-eyes
US1247651A Trimming-machine.
US1205179A Combined trimming and punching machine.
US1164338A Combined nibbing and slotting machine.
US1164337A Trimming-machine.
US1128964A Shock-absorber.
US1111015A Shock-absorber for motor-car springs.
US759872A Variable-speed-transmission device.
US759873A Power-transmission device.
US737599A End clip or bearing-plate for semielliptic springs.
US687523A Machine for shaving leather.