GB1497961A 
                (en )
               
            
            
           
          
            1978-01-12 
            
            
           
          Gas control valve 
      
         
        
          
            
                GB1093698A 
                (en )
               
            
            
           
          
            1967-12-06 
            
            
           
          Automatic fuel ignition and control system 
      
         
        
          
            
                US2253670A 
                (en )
               
            
            
           
          
            1941-08-26 
            
            
           
          Valve 
      
         
        
          
            
                US3300174A 
                (en )
               
            
            
           
          
            1967-01-24 
            
            
           
          Gas valve 
        
         
        
          
            
                US2953198A 
                (en )
               
            
            
           
          
            1960-09-20 
            
            
           
          Fuel control apparatus 
        
         
        
          
            
                EP0502558A2 
                (en )
               
            
            
           
          
            1992-09-09 
            
            
           
          Fuel control valve construction 
        
         
        
          
            
                US2310562A 
                (en )
               
            
            
           
          
            1943-02-09 
            
            
           
          Control device 
      
         
        
          
            
                GB636649A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                WO2007019910A1 
                (en )
               
            
            
           
          
            2007-02-22 
            
            
           
          Device for the multifunctional control of the supply of a combustible gas to a burner apparatus 
        
         
        
          
            
                US2601321A 
                (en )
               
            
            
           
          
            1952-06-24 
            
            
           
          Gas burner system utilizing safety push button 
        
         
        
          
            
                US2753931A 
                (en )
               
            
            
           
          
            1956-07-10 
            
            
           
          Gas-burner control system 
        
         
        
          
            
                US4921011A 
                (en )
               
            
            
           
          
            1990-05-01 
            
            
           
          Fuel control valve construction, parts therefor and methods of making the same 
        
         
        
          
            
                US2607406A 
                (en )
               
            
            
           
          
            1952-08-19 
            
            
           
          Ignition and control system for fuel burners 
        
         
        
          
            
                US3502101A 
                (en )
               
            
            
           
          
            1970-03-24 
            
            
           
          Thermostatic control device with a pressure regulated stepped opened diaphragm valve 
        
         
        
          
            
                US2639727A 
                (en )
               
            
            
           
          
            1953-05-26 
            
            
           
          Valve structure 
        
         
        
          
            
                US2729285A 
                (en )
               
            
            
           
          
            1956-01-03 
            
            
           
          Shut-off valve system 
        
         
        
          
            
                US3434788A 
                (en )
               
            
            
           
          
            1969-03-25 
            
            
           
          Burner control system 
        
         
        
          
            
                US3528452A 
                (en )
               
            
            
           
          
            1970-09-15 
            
            
           
          Diaphragm operated flow control device 
        
         
        
          
            
                US2655208A 
                (en )
               
            
            
           
          
            1953-10-13 
            
            
           
          Electrical control for combustion systems 
        
         
        
          
            
                US2999536A 
                (en )
               
            
            
           
          
            1961-09-12 
            
            
           
          Flow control device 
        
         
        
          
            
                US2520961A 
                (en )
               
            
            
           
          
            1950-09-05 
            
            
           
          Safety push-button gas burner control system 
        
         
        
          
            
                EP0454613B1 
                (en )
               
            
            
           
          
            1995-06-28 
            
            
           
          Gas appliance 
        
         
        
          
            
                US2962092A 
                (en )
               
            
            
           
          
            1960-11-29 
            
            
           
          Control apparatus 
        
         
        
          
            
                US3282325A 
                (en )
               
            
            
           
          
            1966-11-01 
            
            
           
          Jackson etal
burner control apparatus  
         
        
          
            
                US2275340A 
                (en )
               
            
            
           
          
            1942-03-03 
            
            
           
          Resetting means for safety shutoff devices