GB1530310A 
                (en )
               
            
            
           
          
            1978-10-25 
            
            
           
          Fluid flow control valves 
      
         
        
          
            
                US3300174A 
                (en )
               
            
            
           
          
            1967-01-24 
            
            
           
          Gas valve 
        
         
        
          
            
                US3559884A 
                (en )
               
            
            
           
          
            1971-02-02 
            
            
           
          Gas valve 
      
         
        
          
            
                US3721263A 
                (en )
               
            
            
           
          
            1973-03-20 
            
            
           
          Stepped opening fluid pressure operated valve 
      
         
        
          
            
                GB1058587A 
                (en )
               
            
            
           
          
            1967-02-15 
            
            
           
          Thermostatic control device for a fuel burner 
      
         
        
          
            
                GB430394A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB1351709A 
                (en )
               
            
            
           
          
            1974-05-01 
            
            
           
          Fluid flow control device 
      
         
        
          
            
                US3064900A 
                (en )
               
            
            
           
          
            1962-11-20 
            
            
           
          Manifold valve 
        
         
        
          
            
                US2594430A 
                (en )
               
            
            
           
          
            1952-04-29 
            
            
           
          Safety cutoff system for gas  
         
        
          
            
                GB406929A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB494216A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB1048167A 
                (en )
               
            
            
           
          
            1966-11-09 
            
            
           
          Double burner oven system and method 
      
         
        
          
            
                US1842332A 
                (en )
               
            
            
           
          
            1932-01-19 
            
            
           
          Valve 
      
         
        
          
            
                US3099279A 
                (en )
               
            
            
           
          
            1963-07-30 
            
            
           
          Combination thermostat and safety valve 
        
         
        
          
            
                GB828435A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB347633A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB723334A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB710346A 
                (en )
               
            
            
           
          
            1954-06-09 
            
            
           
          Improvements in or relating to control apparatus for diaphragm valves 
      
         
        
          
            
                GB811710A 
                (en )
               
            
            
           
          
            1959-04-08 
            
            
           
          Gas flow control valve assembly 
      
         
        
          
            
                GB406569A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB470469A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB403317A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB723163A 
                (en )
               
            
            
           
          
            1955-02-02 
            
            
           
          Low-pressure cut-off valves 
      
         
        
          
            
                GB395565A 
                (cs )
               
            
            
           
          
             
           
        
          
            
                GB449114A 
                (cs )