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CRUCIBLE MATERIALS CORP

Overview
  • Total Patents
    286
About

CRUCIBLE MATERIALS CORP has a total of 286 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets materials and metallurgy, machines and electrical machinery and energy are NBTM NEW MATERIALS GROUP CO LTD, CRUCIBLE INC and NANO GIJUTSU KENKYUSHO KK.

Patent filings per year

Chart showing CRUCIBLE MATERIALS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pinnow Kenneth E 56
#2 Stasko William 56
#3 Wojcieszynski Andrzej L 50
#4 Eckenrod John J 22
#5 Kajinic Alojz 22
#6 Dulis Edward J 20
#7 Rhodes Geoffrey O 17
#8 Sawford Maria K 15
#9 Kim Andrew S 15
#10 Ma Bao-Min 14

Latest patents

Publication Filing date Title
CN101466857A Ni-base wear and corrosion resistant alloy
US2007056657A1 Corrosion and wear resistant alloy
US2008078475A1 Cold-work tool steel article
CN101184970A Cold wall induction nozzle
US2007053784A1 Maraging steel article and method of manufacture
US2006249230A1 Corrosion and wear resistant alloy
US6623690B1 Clad power metallurgy article and method for producing the same
US6475263B1 Silicon aluminum alloy of prealloyed powder and method of manufacture
US6419768B1 Method for producing welded tubing having a uniform microstructure
US6099796A Method for compacting high alloy steel particles
JPH11342442A Method of manufacturing forged iron-nickel system superalloy
US6228445B1 Austenitic stainless steel article having a passivated surface layer
US6077476A Autoclave operating method
US5900560A Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the same
US5976459A Method for compacting high alloy tool steel particles
US6057045A High-speed steel article
US5830287A Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same
EP0789367A1 Method for producing selected grades of rare earth magnets using a plurality of particle batches
US5841046A High strength, corrosion resistant austenitic stainless steel and consolidated article
US5849244A Method for vacuum loading