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WALTER RICHARD R

Overview
  • Total Patents
    13
About

WALTER RICHARD R has a total of 13 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy and machines are WILLS CHILD HAROLD, HAYNES ELWOOD and NEW ENGLAND MATERIALS LAB INC.

Patent filings in countries

World map showing WALTER RICHARD Rs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 3

Patent filings per year

Chart showing WALTER RICHARD Rs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Walter Richard R 13

Latest patents

Publication Filing date Title
US2036245A Alloy
US1925292A Method of sintering metallic bodies
US1856607A Process for producing sintered alloys
US1961468A Sintered alloy
US1811068A Alloy
US1864567A Alloy of azotized character
US2018752A Alloy
US1803276A Process for producing homogeneous metalliform carbonitrides and for superficial nitrification of tungsten
US1803882A Metal composition
US1651492A Process of desulphurizing molten metal and briquettes used therefor
CA314776A Process of producing metal nitrides
CA316085A Metal composition
CA316084A Alloy