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                        Ceramic refractory stopper
                    
                                            
                                - 
                                    Patent number 11,033,957
                                
 
                                - 
                                    Issue date Jun 15, 2021
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Gerald  Nitzl
                                 
                        
                                            
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Optical pyrometer
                    
                                            
                                - 
                                    Patent number 10,126,174
                                
 
                                - 
                                    Issue date Nov 13, 2018
                                
 
                        
                                            
                                - 
                                        
                                    VESUVIUS GROUP, S.A.
                                 
                                - 
                                        
                                    Michel  Dussud
                                 
                        
                                            
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                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Heated control pin
                    
                                            
                                - 
                                    Patent number 9,993,870
                                
 
                                - 
                                    Issue date Jun 12, 2018
                                
 
                        
                                            
                                - 
                                        
                                    PYROTEK HIGH-TEMPERATURE INDUSTRIAL PRODUCTS INC.
                                 
                                - 
                                        
                                    Sylvain  Tremblay
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Ceramic refractory stopper
                    
                                            
                                - 
                                    Patent number 9,802,249
                                
 
                                - 
                                    Issue date Oct 31, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Gerald  Nitzl
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Ceramic refractory stopper
                    
                                            
                                - 
                                    Patent number 9,302,321
                                
 
                                - 
                                    Issue date Apr 5, 2016
                                
 
                        
                                            
                                - 
                                        
                                    REFRACTORY INTELLECTUAL PROPERTY GMBH & CO.
                                 
                                - 
                                        
                                    Gerald  Nitzl
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Stopper rod
                    
                                            
                                - 
                                    Patent number 9,168,586
                                
 
                                - 
                                    Issue date Oct 27, 2015
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Gerald  Nitzl
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Flow control device
                    
                                            
                                - 
                                    Patent number 8,828,310
                                
 
                                - 
                                    Issue date Sep 9, 2014
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Gerald  Nitzi
                                 
                        
                                            
                                - 
                                        
                                    G05 - CONTROLLING REGULATING
                                 
                        
                 
             
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                        Pour ladle for molten metal
                    
                                            
                                - 
                                    Patent number 8,418,745
                                
 
                                - 
                                    Issue date Apr 16, 2013
                                
 
                        
                                            
                                - 
                                        
                                    GM Global Technology Operations LLC
                                 
                                - 
                                        
                                    Christopher D. Cogan
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Pour ladle for molten metal
                    
                                            
                                - 
                                    Patent number 8,327,915
                                
 
                                - 
                                    Issue date Dec 11, 2012
                                
 
                        
                                            
                                - 
                                        
                                    GM Global Technology Operations LLC
                                 
                                - 
                                        
                                    Christopher D.  Cogan
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Stopper rod
                    
                                            
                                - 
                                    Patent number 7,959,853
                                
 
                                - 
                                    Issue date Jun 14, 2011
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Mark A.  Payne
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Elongated stopper device
                    
                                            
                                - 
                                    Patent number 7,597,221
                                
 
                                - 
                                    Issue date Oct 6, 2009
                                
 
                        
                                            
                                - 
                                        
                                    Refractory Intellectual Property GmbH & Co. KG
                                 
                                - 
                                        
                                    Stephen  Lee
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Control pin
                    
                                            
                                - 
                                    Patent number 7,278,464
                                
 
                                - 
                                    Issue date Oct 9, 2007
                                
 
                        
                                            
                                - 
                                        
                                    Pyrotek Incorporated
                                 
                                - 
                                        
                                    Mark  Vincent
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Control pin
                    
                                            
                                - 
                                    Patent number 7,165,757
                                
 
                                - 
                                    Issue date Jan 23, 2007
                                
 
                        
                                            
                                - 
                                        
                                    Pyrotek Incorporated
                                 
                                - 
                                        
                                    Mark  Vincent
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        Stopper rod
                    
                                            
                                - 
                                    Patent number 6,913,730
                                
 
                                - 
                                    Issue date Jul 5, 2005
                                
 
                        
                                            
                                - 
                                        
                                    Vesuvius Crucible Company
                                 
                                - 
                                        
                                    Brendan Mortimer  Moriarty
                                 
                        
                                            
                                - 
                                        
                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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