| 2025 | P/S | Magnesia-carbon refractory brick | 
				    			
				    				
				    					|  | P/S | Magnesia and dolomitic dry vibratable hearth mixes and magnesia gunning mixes | 
				    			
				    				
				    					|  | P/S | High alumina brick | 
				    			
				    				
				    					|  | P/S | insulating firebrick | 
				    			
				    				
				    					|  | P/S | High alumina castables and precast shapes | 
				    			
				    				
				    					|  | P/S | High alumina castables and shotcrete mixes | 
				    			
				    				
				    					|  | P/S | Silica powder | 
				    			
				    				
				    					|  | P/S | foundry molding sand binder | 
				    			
				    				
				    					|  | P/S | refractory materials, not of metal; refractory materials, not of metal, for creating a concrete; ... | 
				    			
				    				
				    					|  | P/S | insulating refractory materials refractory materials, not of metal; refractory materials, not of ... | 
				    			
				    				
				    					|  | P/S | heat resisting cements; fireclay, firebricks, and cements for firebrick, cement and mortar | 
				    			
				    				
				    					|  | P/S | Heat resisting cements; fireclay, firebricks, and cements for firebrick, cement and mortar. | 
				    			
				    				
				    					|  | P/S | ceramic and carbonaceous powders used in manufacturing; aluminum oxides; magnesium oxides; silico... | 
				    			
				    				
				    					|  | P/S | Dry vibratable refractory materials for tundish applications, not of metal | 
				    			
				    				
				    					| 2024 | P/S | dry vibratable refractory materials for tundish applications, not of metal | 
				    			
				    				
				    					| 2023 | P/S | Monolithic refractories | 
				    			
				    				
				    					| 2022 | Invention | Refractory lining design and separation via destructive hydration. A method of separating a mixtu... | 
				    			
				    				
				    					|  | P/S | Refractory products and materials, namely, monolithic refractories, namely, castable refractory c... | 
				    			
				    				
				    					|  | P/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... | 
				    			
				    				
				    					|  | P/S | firebrick in plastic form for the construction of monolithic walls and linings, and for patching ... | 
				    			
				    				
				    					|  | P/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... | 
				    			
				    				
				    					| 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... | 
				    			
				    				
				    					|  | P/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 | P/S | monolith refractory composition | 
				    			
				    				
				    					| 2015 | Invention | Refractory component for lining a metallurgical vessel. In a steel ladle used for handling molten... | 
				    			
				    				
				    					|  | P/S | Refractory products of all kinds, namely, refractory grain, refractory flour, refractory brick, r... | 
				    			
				    				
				    					| 2012 | P/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 | P/S | refractory furnace linings, not of metal | 
				    			
				    				
				    					|  | P/S | Refractory blocks, refractory tubes, refractory brick, refractory mortar and refractory castables. | 
				    			
				    				
				    					|  | P/S | Basic refractory brick. | 
				    			
				    				
				    					| 2008 | Invention | Sill and door jamb assembly for electric arc furnace. A sill and door jamb assembly providing an ... | 
				    			
				    				
				    					|  | P/S | High-fired super duty fireclay brick. | 
				    			
				    				
				    					|  | P/S | Super duty fireclay brick. | 
				    			
				    				
				    					|  | P/S | High alumina, burned, phosphate bonded brick. | 
				    			
				    				
				    					|  | P/S | refractory bricks, not of metal, namely, a burned magnesia-chrome brick | 
				    			
				    				
				    					|  | P/S | low cement refractory castable mixes, not of metal | 
				    			
				    				
				    					|  | P/S | dry vibratable refractories, not of metal | 
				    			
				    				
				    					|  | P/S | refractory castable mixes, not of metal, namely, low moisture refractory castables | 
				    			
				    				
				    					|  | 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 ... |