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CANADIAN REFRACTORIES LTD

Overview
  • Total Patents
    124
About

CANADIAN REFRACTORIES LTD has a total of 124 patent applications. Its first patent ever was published in 1934. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets materials and metallurgy, thermal processes and measurement are JIANGSU SANHENG HI TECH KILN FUNITURE CO LTD, SAINT GOBAIN IND ROEDENTAL GMBH and HARBISON WALKER REFRACTORIES.

Patent filings in countries

World map showing CANADIAN REFRACTORIES LTDs patent filings in countries
# Country Total Patents
#1 Canada 62
#2 United Kingdom 20
#3 United States 20
#4 Germany 9
#5 France 8
#6 Austria 3
#7 Belgium 2

Patent filings per year

Chart showing CANADIAN REFRACTORIES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lathe Frank E 12
#2 Percy Pitt Norman 9
#3 Eugene Lathe Frank 8
#4 Rigby George R 7
#5 Hodnett Lisle 7
#6 Lathe Frank Eugene 7
#7 Renkey Albert L 5
#8 Davies Ben 5
#9 Duncan Lorne R 5
#10 Mcgill Alfred 5

Latest patents

Publication Filing date Title
CA923420A Shrink-wrap packaging method and apparatus
US3299600A Spalling-resistant refractory brick
US3252261A Grooved refractory brick construction
GB1073691A Production of direct bonded basic brick
US3181346A Method and apparatus for measuring the gas permeability of permeable bodies
GB913586A Kiln liner taper tester
GB972366A Refractory brick construction
GB938040A Refractory materials for use in converter linings
GB906095A Spalling-resistant refractory brick
GB909757A Refractory brick unit
GB895493A Composite refractory brick for furnace linings
GB865610A Method and apparatus for incorporating metal inserts in refractory bricks
GB869786A Low-iron, spalling resistant periclase brick
GB869494A Spalling resistant periclase brick
GB871965A Thermosetting refractory materials
US2694620A Recovery of magnesia
GB700190A Magnesite-chrome refractory
GB685494A Thermoplastic refractories
GB697653A Method of making refractory masses
US2647062A Method of making refractory masses and batch