FIREBOND
Filed: December 24, 1921
Refractory Cement
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 71157096
HARWACO BOND
Filed: October 25, 1933
REFRACTORY CEMENT
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 71342907
ALUSITE
Filed: April 6, 1934
FIRE BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 71349630
H-W
Filed: October 11, 1934
REFRACTORY, INSULATING, AND ACID-PROOF BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 71357010
KAOSIL
Filed: March 4, 1953
HIGH DUTY FIRECLAY REFRACTORY BRICK USED FOR FURNACE CONSTRUCTION PRIMARILY IN STEEL PLANTS
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 71643096
HARCAST
Filed: March 13, 1957
REFRACTORY CASTABLE MATERIAL OF FIRECLAY AND HIGH ALUMINA CEMENT
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72026094
TABKASE
Filed: August 13, 1958
REFRACTORY BRICK ENCASED IN METAL
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72057146
FLINTGRAIN
Filed: October 16, 1959
Refractory Material Comprising Calcined Flint Fireclay With or Without Binder for Making Metallurgical Molds and Cores
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72083371
HARBIDE
Filed: April 6, 1960
Refractory Brick Made of Silicon Carbide
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72094488
HW
Filed: April 5, 1962
Fired and Unfired Refractory Materials Including the Following: Fire-Clay Brick, Pouring Pit Refractories, Refractory Mortar…
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72142989
H-W GUNSHOT
Filed: April 30, 1962
UNCONSOLIDATED REFRACTORY MIXES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72143378
AMADOR
Filed: April 30, 1962
REFRACTORY BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72143379
ZENITH
Filed: April 30, 1962
REFRACTORY BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72143383
H-W PERIMIX
Filed: April 30, 1962
UNCONSOLIDATED REFRACTORY MIXES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72143384
EBONITE
Filed: December 6, 1962
REFRACTORY SHAPES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72158622
H-W PERIBOND
Filed: March 19, 1963
Unconsolidated Refractory Mixes
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72164971
HARTILE GXD
Filed: May 29, 1963
KILN FURNITURE
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72169929
HARTILE MXD
Filed: May 29, 1963
KILN FURNITURE
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72169931
H-W COPUR
Filed: March 19, 1964
CONSTRUCTION MATERIALS-NAMELY, REFRACTORY BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72189070
KORUNDAL XD
Filed: January 12, 1965
HIGH ALUMINA BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72209780
ALKACAST
Filed: January 12, 1965
FIRECLAY CASTABLE REFRACTORY
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72209781
NUCON
Filed: July 15, 1965
REFRACTORY BRICK AND SHAPES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72223405
695 PLASTIC
Filed: August 5, 1965
REFRACTORY MONOLITHIC FORMING MATERIAL
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72225025
O
Filed: October 27, 1966
REFRACTORY BRICK
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 72257387
UCAL
Filed: January 20, 1975
UNCONSOLIDATED REFRACTORY MATERIAL
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73042215
ANKORITE
Filed: March 10, 1975
HIGH ALUMINA REFRACTORY CEMENT
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73046194
SILTEC
Filed: May 1, 1975
CERAMIC BONDED SILICON CARBIDE LINING SHAPES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73051068
KILNCAST-26
Filed: September 11, 1975
UNCONSOLIDATED REFRACTORY MATERIAL IN GRANULAR FORM
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73062774
ALTEC
Filed: September 11, 1975
CRUCIBLES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73062775
HARGUN
Filed: June 30, 1977
UNCONSOLIDATED REFRACTORY MATERIAL
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73132477
STAR-
Filed: August 22, 1977
REFRACTORY SHAPES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73138558
ALUSA
Filed: September 29, 1977
MONOLITH FORMING MATERIAL
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73143109
ANCHOR-
Filed: October 3, 1977
REFRACTORY SHAPES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73143551
CASTOLAST
Filed: December 30, 1977
REFRACTORY GUNNING MIXES
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73153889
HARGATE
Filed: April 2, 1981
Refractory Shapes
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 73303959
PROCORE
Filed: March 16, 1992
specialty vitreous silica sand that can minimize the overall thermal expansion of core sand for refractories
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 74255598
ADTECH
Filed: September 27, 1993
monolith refractory composition
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 74441031
CEMENTIONABLES
Filed: April 14, 1995
newsletter featuring developments and announcements relating to the cement industry
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 74661532
PNEUCRETE
Filed: June 9, 1995
dense monolythic spray mix refractory
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 74697145
ULTRX
Filed: June 9, 1995
very low cement castable refractory with high hot strength
Owned by: HARBISON-WALKER REFRACTORIES COMPANY
Serial Number: 74697147