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MCCARROLL WALKER W

Overview
  • Total Patents
    15
About

MCCARROLL WALKER W has a total of 15 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper, machine tools and machines are COMPRESSION TECH, WALTER HOWEY and ISOBE MINEO.

Patent filings in countries

World map showing MCCARROLL WALKER Ws patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 3

Patent filings per year

Chart showing MCCARROLL WALKER Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mccarroll Walker W 15

Latest patents

Publication Filing date Title
US1890467A Shipping-container for printing plates, electrotypers' mats, etc.
US1791421A Implement heater for electrotype builders
US1775963A Planing machine
US1745550A Machine for rectifying electrotypes
US1537540A Electrotyper's case
US1507616A Electrotyper's case
US1499779A Platen for stereotype drying tables
US1173363A Curving-machine.
US1112544A Machine for rectifying electrotypes.
US1109856A Machine for rectifying electrotypes.
US1109855A Machine for rectifying electrotypes.
US974288A Machine for curving electrotypes.
CA254326A Electrotyper's case
CA302458A Machine for rectifying electrotypes
CA254325A Electrotyper's case