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                        Heat emitting radiator
                    
                                            
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                                    Patent number 11,067,295
                                
 
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                                    Issue date Jul 20, 2021
                                
 
                        
                                            
                                - 
                                        
                                    Ray  King
                                 
                        
                                            
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                                    F28 - HEAT EXCHANGE IN GENERAL
                                 
                        
                 
             
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                        Thermal energy storage system
                    
                                            
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                                    Patent number 10,935,327
                                
 
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                                    Issue date Mar 2, 2021
                                
 
                        
                                            
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                                    The Regents of the University of California
                                 
                                - 
                                        
                                    Richard E. Wirz
                                 
                        
                                            
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                                    F28 - HEAT EXCHANGE IN GENERAL
                                 
                        
                 
             
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                        3363675
                    
                                            
                                - 
                                    Patent number 3,363,675
                                
 
                                - 
                                    Issue date Jan 16, 1968
                                
 
                        
                                                                
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                                    F24 - HEATING RANGES VENTILATING
                                 
                        
                 
             
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                        2911513
                    
                                            
                                - 
                                    Patent number 2,911,513
                                
 
                                - 
                                    Issue date Nov 3, 1959
                                
 
                        
                                                                
                                - 
                                        
                                    F24 - HEATING RANGES VENTILATING