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WITHEROW STEEL COMPANY

Overview
  • Total Patents
    17
About

WITHEROW STEEL COMPANY has a total of 17 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and transport are HINDERLITER DON R INC, LINNENBRINK WOLFGANG and INGERSOLL CM SYSTEMS INC.

Patent filings in countries

World map showing WITHEROW STEEL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing WITHEROW STEEL COMPANYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Witherow William P 15
#2 Coyle Paul L 2

Latest patents

Publication Filing date Title
US1597955A Method of die rolling
US1609045A Method of cutting die-roll matrices
US1607445A Die rolling
US1607498A Method of die rolling
US1600782A Die roll and die rolling
US1570660A Method of die rolling
US1560749A Die rolling
US1544417A Car step and method of making the same
US1502705A Method of die rolling
US1516069A Die-rolled blank
US1618791A Knife blank and method of making the same
US1608542A Spring-clip blank and method of making the same
US1564167A Wrench blank and method of making the same
US1584582A Railway-car axle and method of making the same
US1577430A Die-rolled article and method of making the same
US1572343A Die-rolled blank and method and apparatus for making the same
US1409988A Tie rod for railroad tracks