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.
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Civil engineering | |
#3 | Machines | |
#4 | Machine tools |
# | Technology | |
---|---|---|
#1 | Alloys | |
#2 | Working metallic powder | |
#3 | Unspecified technologies | |
#4 | Mining | |
#5 | Casting metal | |
#6 | Dredging | |
#7 | Soldering, welding and flame cutting | |
#8 | Non-metallic elements | |
#9 | Building materials | |
#10 | Inorganic compounds |
# | Name | Total Patents |
---|---|---|
#1 | Rudy Erwin | 9 |
#2 | Aauin Rudei | 1 |
#3 | Rudy Erwin Dr | 1 |
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 |