CA1100030A 
                (en )
               
            
            
           
          
            1981-04-28 
            
            
           
          Safety control for furnace burner 
      
         
        
          
            
                US5674065A 
                (en )
               
            
            
           
          
            1997-10-07 
            
            
           
          Apparatus for controlling the supply of gas to and heat from unvented gas heating appliances 
        
         
        
          
            
                ITPD20100393A1 
                (it )
               
            
            
           
          
            2012-06-28 
            
            
           
          Dispositivo per il controllo dell'erogazione di un gas combustibile verso un bruciatore, particolarmente per apparecchi riscaldatori di acqua 
        
         
        
          
            
                US6192913B1 
                (en )
               
            
            
           
          
            2001-02-27 
            
            
           
          Gas valve for pilotless gas burner 
        
         
        
          
            
                US2139344A 
                (en )
               
            
            
           
          
            1938-12-06 
            
            
           
          Gas control system 
      
         
        
          
            
                US2329682A 
                (en )
               
            
            
           
          
            1943-09-14 
            
            
           
          Burner control apparatus 
      
         
        
          
            
                GB534413A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB2047921A 
                (en )
               
            
            
           
          
            1980-12-03 
            
            
           
          Flame failure device 
      
         
        
          
            
                US1794531A 
                (en )
               
            
            
           
          
            1931-03-03 
            
            
           
          Valve structure 
      
         
        
          
            
                US3288366A 
                (en )
               
            
            
           
          
            1966-11-29 
            
            
           
          Thermostatic gas regulator for baking and broiling 
        
         
        
          
            
                US9618205B2 
                (en )
               
            
            
           
          
            2017-04-11 
            
            
           
          Gas flow controller for use in gas fired apparatus 
        
         
        
          
            
                US2157109A 
                (en )
               
            
            
           
          
            1939-05-09 
            
            
           
          Apparatus for controlling flow of fuel to a heating device 
      
         
        
          
            
                US2363063A 
                (en )
               
            
            
           
          
            1944-11-21 
            
            
           
          Safety shutoff device 
      
         
        
          
            
                US2114971A 
                (en )
               
            
            
           
          
            1938-04-19 
            
            
           
          Method of fuel-feed control and apparatus therefor 
      
         
        
          
            
                US1971882A 
                (en )
               
            
            
           
          
            1934-08-28 
            
            
           
          Gas supply control system  
         
        
          
            
                US1926218A 
                (en )
               
            
            
           
          
            1933-09-12 
            
            
           
          Ignztek and control device fos  
         
        
          
            
                US2164887A 
                (en )
               
            
            
           
          
            1939-07-04 
            
            
           
          Safety control and ignition means for multiple gas burners 
      
         
        
          
            
                SU1000690A1 
                (ru )
               
            
            
           
          
            1983-02-28 
            
            
           
          Устройство дл регулировани газового водонагревател 
        
         
        
          
            
                US1842331A 
                (en )
               
            
            
           
          
            1932-01-19 
            
            
           
          Gaseous fuel control system 
      
         
        
          
            
                US2594430A 
                (en )
               
            
            
           
          
            1952-04-29 
            
            
           
          Safety cutoff system for gas  
         
        
          
            
                US9945583B2 
                (en )
               
            
            
           
          
            2018-04-17 
            
            
           
          Gas flow controller including valve decoupling mechanism 
        
         
        
          
            
                US2275267A 
                (en )
               
            
            
           
          
            1942-03-03 
            
            
           
          Fuel supply system for burners 
      
         
        
          
            
                GB494216A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                US2037684A 
                (en )
               
            
            
           
          
            1936-04-14 
            
            
           
          Safety control apparatus for  
         
        
          
            
                US2670035A 
                (en )
               
            
            
           
          
            1954-02-23 
            
            
           
          Safety control system for gas burners employing single point ignition