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COMMW STEEL

Overview
  • Total Patents
    380
  • GoodIP Patent Rank
    238,093
About

COMMW STEEL has a total of 380 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets transport, materials and metallurgy and packaging and shipping are GEN STEEL CASTINGS CORP, GLOUCESTER RAILWAY CARRIAGE and RAILWAY ENG ASS.

Patent filings in countries

World map showing COMMW STEELs patent filings in countries

Patent filings per year

Chart showing COMMW STEELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pflager Harry M 126
#2 Westlake Charles T 50
#3 Sheehan William M 40
#4 Frede Charles F 15
#5 Hallquist Einar G 14
#6 Howard Clarence H 13
#7 Howard Karl S 11
#8 Pulliam Oswald S 5
#9 Ashe William O 5
#10 Lehmann Arthur E 4

Latest patents

Publication Filing date Title
WO2016029246A1 Indicator safety system
AU9141882A Cushioning pad
US3957373A Quantitative determination of elements in alloys
ZA7107841B Separation of a constituent from a fluid mixture
AU3601471A Separation ofa constituent froma fluid mixture
US3774856A Ball mills with superellipsoidal balls
GB1366074A Quantitative determination of elements in alloys
GB330428A Improvements in underframes for railway vehicles
GB329720A Improvements in railway rolling stock underframe structures
GB326652A Improvements in railway rolling stock underframe structures
US2082330A Hydraulic gun
US1702277A Rocker centering device
US1702269A Rocker centering device
US1703526A Locomotive-spring-equalizing arrangement
US1703525A Spring-equalizing arrangement
US1724194A Pilot coupler structure
US1663036A Railway vehicle structure
US1653222A Tender frame
US1692426A Molder's chaplet
US1656717A Locomotive structure