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CHICAGO SPRING BUTT COMPANY

Overview
  • Total Patents
    17
About

CHICAGO SPRING BUTT COMPANY has a total of 17 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and machines are BOMMER EMIL, ATWOOD JAMES T and TGN SPA.

Patent filings in countries

World map showing CHICAGO SPRING BUTT COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing CHICAGO SPRING BUTT COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Top inventors

# Name Total Patents
#1 Keene William J 14
#2 Schuster George W 5
#3 Keene William James 3

Latest patents

Publication Filing date Title
US1583842A Spring hinge
US1282588A Spring-hinge.
US1243947A Door-closer.
US1111158A Spring-hinge.
US1107076A Spring-hinge.
US1081752A Spring-hinge.
US1032144A Spring-hinge.
US1111157A Spring-hinge.
US1151688A Spring-hinge.
US998692A Spring-hinge.
US971281A Spring-hinge.
US919882A Hinge.
US919726A Hinge and supporting box-flange.
US919727A Door-stop and supporting box-flange.
US919881A Hinge.
US761969A Hinge.
US720254A Spring-hinge.