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NORTH AMERICAN REFRACTORIES

Overview
  • Total Patents
    141
About

NORTH AMERICAN REFRACTORIES has a total of 141 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, thermal processes and machines are REFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG, REFRACTORY INTELLECTUAL PROP and KROSAKIHARIMA CORP.

Patent filings per year

Chart showing NORTH AMERICAN REFRACTORIESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bonsall Samuel B Iii 18
#2 Hall Richard G 16
#3 Bogan Jeffrey E 16
#4 Vezza Thomas F 13
#5 Barrett Ronald 13
#6 Perich Regis M 11
#7 Leitzel Timothy A 9
#8 Fura Daniel F 8
#9 Richter Tomas 8
#10 Barrett Ronald L 7

Latest patents

Publication Filing date Title
US2015069678A1 Refractory component for lining a metallurgical vessel
CA2801519A1 High yield ladle bottoms
US2010160142A1 Refractory brick for steel ladles
US2009020927A1 Insulating refractory lining
CA2629134A1 High yield ladle bottoms
US2009200343A1 Tundish dry vibratable form
US2009191423A1 Refractory component with locking surface and method of forming the same
US2009050285A1 Impact pad
US2009035474A1 Refractories with improved hydration resistance
US2009020926A1 Insulating refractory lining
US2007132162A1 Impact pad for metallurgical vessels
BRPI0405257A injection lance
US2005110202A1 Injection lance
US2005093212A1 Starter set for brick lining of ladles used in handling molten metal
US2003201588A1 Well block for metallurgical vessel
US6554167B1 Impact pad
US2002153645A1 Refractory lining for metallurgical vessel
CA2329508A1 Nozzle for continuous casting and method of forming same
WO0049185A1 Taphole assembly for a molten metal manufacturing furnace and method of forming the same
US6221313B1 Taphole knockout device