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GEN REFRACTORIES CO

Overview
  • Total Patents
    560
About

GEN REFRACTORIES CO has a total of 560 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, thermal processes and machines are HARBISON WALKER REFRACTORIES, STEETLEY REFRACTORY BRICK COMP and ALLIED MINERAL PRODUCTS INC.

Patent filings per year

Chart showing GEN REFRACTORIES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pearce Heuer Russell 50
#2 Heuer Russell P 47
#3 Stein Joseph L 23
#4 Staut Ronald 17
#5 Bakker Wate T 16
#6 Treffner Walter S 13
#7 Farrington Grant M 12
#8 Brodmann Franz J 12
#9 Foessel Alfred H 10
#10 Rankovic Ljubisa 9

Latest patents

Publication Filing date Title
CA2022471A1 Refractory block for rotary kiln
US4975049A Refractory block for rotary kiln
US4554035A Method of manufacturing a slide gate
US4453637A Double compartment valve bag
US4446040A Strong, heat stable, water repellent, expanded perlite/alkali metal silicate insulation material
FR2525237A1 Non-aqueous refractory compositions useful for sealing casting holes and special materials comprising refractory compositions containing as binders of resorcinol polymers
ATA126982A Refractory, carbon-containing bricks and mouldings and also compositions for producing them
US4383624A Slide gate
US4399982A Heavy petroleum oil plasticized, tar bonded taphole mix
US4379866A Plugging refractory material having resin binder system
US4387173A Use of resorcinal polymer blend as a binder for carbon-containing refractory brick and shape
US4381355A Resorcinol polymer bonded taphole mix and specialty materials
US4375518A Resinous petroleum residue refractory binders
IE810356L A method of improving the properties of caustic magnesia and¹the densification of sintered periclase
US4294618A Silica-doped, chrome-alumina monolithic refractory compositions
US4423026A Densification of caustic magnesia and sintered periclase by acid doping
DE2917460A1 Synthetic crystalline analcime zeolite useful as water softener - in detergents, is produced by hydrothermal treatment of perlite in aq. sodium hydroxide soln.
US4261154A Method and an external plating arrangement for sealing off the cold end of a refractory brick
CA1058925A Extrusion die and cutting tool for machining such a tool
ATA743878A Method for producing a slider plate for a slider lock for molten materials