DE184751C 
                (en:Method )
               
            
            
           
          
             
           
        
          
            
                ATE78507T1 
                (de )
               
            
            
           
          
            1992-08-15 
            
            
           
          Verfahren zum vergassen von kohle und weiterbehandeln des produktgases. 
        
         
        
          
            
                GB247186A 
                (en )
               
            
            
           
          
            1926-11-04 
            
            
           
          Improvements in or relating to the generation of steam 
      
         
        
          
            
                DE280969C 
                (en:Method )
               
            
            
           
          
             
           
        
          
            
                DE173580C 
                (en:Method )
               
            
            
           
          
             
           
        
          
            
                DE380836C 
                (de )
               
            
            
           
          
            1923-09-13 
            
            
           
          Verfahren zur Regelung der Leisten von Elektroden-Warmwasserkesseln 
        
         
        
          
            
                DE330652C 
                (de )
               
            
            
           
          
            1920-12-20 
            
            
           
          Verfahren zur Hereingewinnung von Kohle 
        
         
        
          
            
                DE135082C 
                (en:Method )
               
            
            
           
          
             
           
        
          
            
                GB186084A 
                (en )
               
            
            
           
          
            1922-09-25 
            
            
           
          Improved process of and apparatus for deriving motive power from steam 
      
         
        
          
            
                GB199991A 
                (en )
               
            
            
           
          
            1923-07-05 
            
            
           
          Improvements in apparatus for preheating air and feed water for steam boiler plants 
      
         
        
          
            
                GB296267A 
                (en )
               
            
            
           
          
            1928-08-30 
            
            
           
          Improvements in compound gas turbine and method of producing power therewith 
      
         
        
          
            
                SU72521A1 
                (ru )
               
            
            
           
          
            1947-11-30 
            
            
           
          Теплосилова установка 
        
         
        
          
            
                GB242979A 
                (en )
               
            
            
           
          
            1926-08-19 
            
            
           
          Improvements in or relating to steam or other vapour power plants utilising caustic potash or like fluid 
      
         
        
          
            
                GB205409A 
                (en )
               
            
            
           
          
            1923-10-18 
            
            
           
          Improvements in and relating to the heating and supply of feedwater in steam power plants 
      
         
        
          
            
                FR2330759A1 
                (fr )
               
            
            
           
          
            1977-06-03 
            
            
           
          Procede de fabrication d'un gaz riche en methane, a partir de dechets, en particulier d'ordures menageres 
        
         
        
          
            
                GB190003677A 
                (en )
               
            
            
           
          
            1900-07-14 
            
            
           
          Improved Method of Condensing Steam in Steam Engines. 
      
         
        
          
            
                AT48811B 
                (de )
               
            
            
           
          
            1911-07-10 
            
            
           
          Verfahren zur Darstellung von Ammoniak. 
        
         
        
          
            
                GB168432A 
                (en )
               
            
            
           
          
            1921-09-08 
            
            
           
          Improvements in or relating to the production and utilization of gas 
      
         
        
          
            
                GB189821917A 
                (en )
               
            
            
           
          
            1900-01-18 
            
            
           
          An Improved Process for the Utilisation of Waste Steam in the Production of Motive Power. 
      
         
        
          
            
                GB189715167A 
                (en )
               
            
            
           
          
            1897-07-31 
            
            
           
          Improved Means and Apparatus for Heating Feed-water, Promoting Water Circulation, and Generating Steam in Locomotive and other Steam Boilers. 
      
         
        
          
            
                GB190323331A 
                (en )
               
            
            
           
          
            1904-08-18 
            
            
           
          Improvements in or connected with Surface Condensing and Feed Heating Apparatus. 
      
         
        
          
            
                GB133299A 
                (en:Method )
               
            
            
           
          
             
           
        
          
            
                GB369415A 
                (en )
               
            
            
           
          
            1932-03-24 
            
            
           
          An improved process for the manufacture of carbon 
      
         
        
          
            
                GB376131A 
                (en )
               
            
            
           
          
            1932-07-07 
            
            
           
          Steam boiler feed-water degasification apparatus 
      
         
        
          
            
                GB401148A 
                (en )
               
            
            
           
          
            1933-11-09 
            
            
           
          Process and apparatus for producing a pressure medium