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CAMPBELL STERLING H

Overview
  • Total Patents
    36
About

CAMPBELL STERLING H has a total of 36 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are WILLIAM H MINER, NAT MALLEABLE & STEEL CASTINGS and BUCKEYE MALLEABLE IRON AND COUPLER COMPANY.

Patent filings in countries

World map showing CAMPBELL STERLING Hs patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 7

Patent filings per year

Chart showing CAMPBELL STERLING Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Campbell Sterling H 36

Latest patents

Publication Filing date Title
US1502459A Brake-shoe key
US1508380A Coupler-release rigging
US1482885A Coupler release rigging
US1482884A Coupler release rigging
US1508379A Coupler-release rigging
US1453002A Coupling-release rigging
US1452358A Coupling-release rigging
US1387685A Coupling-release rigging
US1455386A Coupler-release rigging
US1396726A Coupling-release rigging
US1396725A Coupling-release rigging
US1391716A Brake-rod jaw
US1358363A Bracket for uncoupling devices
US1358362A Uncoupling device
US1358361A Connection for pin-lifters
US1375361A Brake-rod jaw
US1387684A Attachment for pin-lifters
US1297440A Bracket for uncoupling-rods.
US1247221A Uncoupling device for railway-cars.
US1204405A Wedge for journal-bearings.