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RUDY ERWIN

Overview
  • Total Patents
    15
About

RUDY ERWIN has a total of 15 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets materials and metallurgy, civil engineering and machines are ELEMENT SIX GMBH, ELEMENT SIX HOLDING GMBH and LOR CORP.

Patent filings in countries

World map showing RUDY ERWINs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 2
#3 Germany 2
#4 France 2
#5 Sweden 2
#6 Austria 1
#7 Japan 1

Patent filings per year

Chart showing RUDY ERWINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rudy Erwin 9
#2 Aauin Rudei 1
#3 Rudy Erwin Dr 1

Latest patents

Publication Filing date Title
DE2720417A1 Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenum
CA1118798A Carbide compositions for wear resistant facings and method of fabrication
US4101318A Cemented carbide-steel composites for earthmoving and mining applications
US4022584A Sintered cermets for tool and wear applications
US4066451A Carbide compositions for wear-resistant facings and method of fabrication
US3994692A Sintered carbonitride tool materials
US3971656A Spinodal carbonitride alloys for tool and wear applications