| 2025 | Invention | Half pipe heat exchange system for electric arc, metallurgical or refining furnaces and system th... | 
				    			
				    				
				    					| 2022 | Invention | Cassette design drop out box, combustion chamber, duct and electric arc furnace upper shell syste... | 
				    			
				    				
				    					| 2021 | Invention | Multi-half pipe heat exchange system for electric arc, metallurgical or refining furnaces and sys... | 
				    			
				    				
				    					|  | Invention | Steelmaking and ironmaking scrap segregation and packaging system and method thereof. A method of... | 
				    			
				    				
				    					| 2018 | Invention | Duct system with integrated working platforms. 
A duct system of an electric arc furnace includes... | 
				    			
				    				
				    					|  | Invention | Top loading roof for electric arc, metallurgical or refining furnaces and system thereof. A metho... | 
				    			
				    				
				    					| 2017 | Invention | Cooling pipe return elbow in a steel making furnace | 
				    			
				    				
				    					|  | G/S | Metal heat exchange pipes. | 
				    			
				    				
				    					|  | G/S | Metal heat exchange pipes | 
				    			
				    				
				    					|  | G/S | metal heat exchange pipes | 
				    			
				    				
				    					|  | Invention | Extended leg return elbow for use with a steel making furnace and method thereof. A 180-degree pi... | 
				    			
				    				
				    					|  | Invention | Adjustable heat exchange apparatus and method of use. A pipe-within-a-pipe and method of use are ... | 
				    			
				    				
				    					| 2008 | Invention | Adjustable heat exchange apparatus and method of use. 
A pipe-within-a-pipe and method of use are... | 
				    			
				    				
				    					| 2007 | Invention | Heat exchanger system used in steel making. A heat exchanger system is disclosed. The heat exchan... | 
				    			
				    				
				    					|  | Invention | User selectable heat exchange apparatus and method of use. A selectable heat exchange apparatus a... | 
				    			
				    				
				    					|  | G/S | Metal heat exchange pipes. | 
				    			
				    				
				    					| 2006 | Invention | Heat exchange apparatus and method of use. A pipe and method of use for deterring or encouraging ... | 
				    			
				    				
				    					|  | Invention | Heat exchange apparatus and method of use. A pipe (10, 10A, 20, 20A) and method of use for deterr... | 
				    			
				    				
				    					|  | G/S | METAL HEAT EXCHANGE PIPES | 
				    			
				    				
				    					| 2005 | Invention | Heat exchanger system used in steel making. A heat exchanger system (44) for iron making furnaces... | 
				    			
				    				
				    					| 2004 | Invention | Heat exchanger system used in steel making. A heat exchanger system suitable for iron making furn... | 
				    			
				    				
				    					| 2001 | Invention | Heat exchange pipe with extruded fins. A device for cooling the interior wall (20) of an electric... | 
				    			
				    				
				    					| 1998 | Invention | Continuously operating liquid-cooled panel. A dual section liquid-cooled panel (10) having a prim... | 
				    			
				    				
				    					| 1993 | Invention | Low voc, fast drying, moisture curable, one-component isocyanate-based coating compositions. This... |