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WALKER WILLIAM R

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    226,249
About

WALKER WILLIAM R has a total of 24 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy, machines and packaging and shipping are AFFIVAL, BYERS A M CO and ITALSIDER SPA NUOVA.

Patent filings in countries

World map showing WALKER WILLIAM Rs patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 5

Patent filings per year

Chart showing WALKER WILLIAM Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walker William R 24
#2 Gray James H 2

Latest patents

Publication Filing date Title
CA2944689A1 Open wheel vehicle speed jack
US2009311070A1 Weld adapter
US2144131A Vacuum controlling means for internal combustion engines
US1170859A Scissors-hanger.
US1299072A Producing steel and high-phosphorus slag.
US1086489A Treating steel in electric furnaces with basic hearths.
US1086003A Manufacture of steel.
US1035280A Manufacture of steel.
US1155849A Manufacture of steel.
US1014425A Manufacture of steel.
US934247A Manufacture of steel.
US980369A Manufacture of steel.
US1000217A Manufacture of steel.
US1018644A Apparatus for the manufacture of steel.
US914620A Iron-cutter.
US967590A Manufacture of steel.
US756917A Apparatus for sawing wood.
CA77452A Napkin support
US703864A Napkin-support.
US906757A Process of manufacturing steel.