Create a watch for Harbisonwalker International, Inc.
Total IP	215
Total IP Rank #	6,165
IP Activity Score	2.5/5.0    42
IP Activity Rank #	17,558
Parent Entity	Rhi Refractories Holding Company
Dominant Nice Class	Non-metallic building materials

Patents Trademarks 14 140 6 39 5 0 11
Last Patent	2023 - Refractory lining design and sep...
First Patent	2008 - Refractory component with lockin...
Last Trademark	2025 - HORIZON
First Trademark	1921 - THERMOLITH

Industry (Nice Classification)

Latest Inventions, Goods, Services 2025 G/S Refractory bricks, not of metal; Refractory shapes, not of metal G/S Magnesia-carbon refractory brick G/S Magnesia and dolomitic dry vibratable hearth mixes and magnesia gunning mixes G/S High alumina brick G/S insulating firebrick G/S High alumina castables and precast shapes G/S High alumina castables and shotcrete mixes G/S Silica powder G/S foundry molding sand binder G/S refractory materials, not of metal; refractory materials, not of metal, for creating a concrete; ... G/S insulating refractory materials refractory materials, not of metal; refractory materials, not of ... G/S heat resisting cements; fireclay, firebricks, and cements for firebrick, cement and mortar G/S Heat resisting cements; fireclay, firebricks, and cements for firebrick, cement and mortar. G/S ceramic and carbonaceous powders used in manufacturing; aluminum oxides; magnesium oxides; silico... G/S Dry vibratable refractory materials for tundish applications, not of metal 2024 G/S dry vibratable refractory materials for tundish applications, not of metal 2023 G/S Monolithic refractories 2022 Invention Refractory lining design and separation via destructive hydration. A method of separating a mixtu... Invention Refractory lining design and separation via destructive hydration G/S Refractory products and materials, namely, monolithic refractories, namely, castable refractory c... G/S refractory products and materials, namely, monolithic refractories, ram mixes, refractory castabl... Invention Refractory lining design and separation via destructive hydration. A method of separating a mixt... G/S firebrick in plastic form for the construction of monolithic walls and linings, and for patching ... G/S monolithic refractories, namely, castable refractory cement, plastic refractories, non-metal ramm... Invention Diffusion article. A diffusion component for impregnating molten steel with a gas includes a barr... 2021 Invention Spin casting device and method. A spin caster for spraying a surfacing material upon an interior ... Invention Spin casting device and method. A spin caster for spraying a surfacing material upon an interior... 2020 Invention Predictive refractory performance measurement system. A measurement system is provided for predic... Invention Foamed lightweight monolithic refractory composition. A foamed lightweight monolithic refractory ... 2019 Invention Foamed lightweight refractory monolithic composition. A foamed lightweight monolithic refractory... G/S Refractory products of all kinds, namely, refractory brick, refractory mortar, refractory brick i... 2018 Invention Mounting hardware for refractory module. Mounting hardware for mounting an insulation module on a... 2016 G/S monolith refractory composition 2015 Invention Refractory component for lining a metallurgical vessel. In a steel ladle used for handling molten... G/S Refractory products of all kinds, namely, refractory grain, refractory flour, refractory brick, r... 2012 G/S refractory concrete mixture Invention High yield ladle bottoms. A refractory bottom lining for lining the bottom of a metallurgical ves... Invention High-yield ladle bottom 2009 G/S refractory furnace linings, not of metal G/S Refractory blocks, refractory tubes, refractory brick, refractory mortar and refractory castables. G/S Basic refractory brick. 2008 Invention Sill and door jamb assembly for electric arc furnace. A sill and door jamb assembly providing an ... G/S High-fired super duty fireclay brick. G/S Super duty fireclay brick. G/S High alumina, burned, phosphate bonded brick. G/S refractory bricks, not of metal, namely, a burned magnesia-chrome brick G/S low cement refractory castable mixes, not of metal G/S dry vibratable refractories, not of metal Invention High yield ladle bottoms. A refractory bottom for a metallurgical vessel comprised of a bottom li... Invention Tundish dry vibratable form. A mold dimensioned to be positioned within a refractory-lined tundis... Invention Refractory component with locking surface and method of forming the same. A method of securing a ...