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RELIANCE STEEL PROD CO

Overview
  • Total Patents
    128
About

RELIANCE STEEL PROD CO has a total of 128 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, thermal processes and machines are SAGER & WOERNER, NINGBO ROABY TECH INDUSTRIAL GROUP CO LTD and STOG KG IND & ROHRLEITUNG.

Patent filings in countries

World map showing RELIANCE STEEL PROD COs patent filings in countries
# Country Total Patents
#1 United States 72
#2 Canada 24
#3 France 13
#4 United Kingdom 13
#5 Germany 5
#6 Sweden 1

Patent filings per year

Chart showing RELIANCE STEEL PROD COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nagin Harry S 26
#2 Nagin Harold 22
#3 Harold Nagin 22
#4 Braun Ottwin L 15
#5 Russell Donald H 8
#6 Mcafoos Lawrence R 7
#7 Leon Nagin 6
#8 Nagin Harry Solomon 4
#9 Nagin Leon 4
#10 Wojcik Leo J 3

Latest patents

Publication Filing date Title
US3992163A Aluminum-containing welded grating
GB1204129A Method and apparatus for welding intersecting members
US3341128A Apparatus for surfacing paved areas
GB1134445A Bridge floor panels
US3252448A Forced circulation water-cooled furnace door with monolithic lining
US3342251A Apparatus for casting of sections with parallel members and transverse connections
US3308725A Paving element and paving employing the same
US3334555A Paving utilizing epoxy resin
US3253378A Welded metal grating
US3253289A Bridge floor and wear plate therefor
GB1020545A Concrete based upon epoxy resins and method of making the same
US3260023A Bridge floor and surfacing component therefor
US3253288A Integrated floor structure
US3212478A Brick-lined, water-cooled industrial furnace door
US3155080A Forced circulation water-cooled door
US3185269A Grating retaining means
DE1173924B Roadway construction for bridges u. like
US3156168A Grating
US2948201A Pavement and method of producing the same
GB895589A Marker stripe