AT91852B 
                (en )
               
            
            
           
          
            1923-03-26 
            
            
           
          
  Two-stroke internal combustion engine with an auxiliary piston that expels the burned gases.
 
      
         
        
          
             
              
                AT101201B 
                (en )
               
            
            
           
          
            1925-10-10 
            
            
           
          
  Coolers for internal combustion engines.
 
      
         
        
          
             
              
                AT97588B 
                (en )
               
            
            
           
          
            1924-08-11 
            
            
           
          
  Two-cylinder two-stroke internal combustion engine.
 
      
         
        
          
             
              
                AT141309B 
                (en )
               
            
            
           
          
            1935-04-10 
            
            
           
          
  Internal combustion engine.
 
      
         
        
          
             
              
                AT140102B 
                (en )
               
            
            
           
          
            1935-01-10 
            
            
           
          
  Air cooling for internal combustion engines, in particular radial engines.
 
      
         
        
          
             
              
                AT137592B 
                (en )
               
            
            
           
          
            1934-05-11 
            
            
           
          
  Low or medium compression internal combustion engine with external ignition for heavy oil operation.
 
      
         
        
          
             
              
                AT98319B 
                (en )
               
            
            
           
          
            1924-10-25 
            
            
           
          
  Two-stroke internal combustion engine with controlling stepped piston.
 
      
         
        
          
             
              
                AT104272B 
                (en )
               
            
            
           
          
            1926-10-11 
            
            
           
          
  Multi-cylinder four-stroke internal combustion engine.
 
      
         
        
          
             
              
                AT110745B 
                (en )
               
            
            
           
          
            1928-10-10 
            
            
           
          
  Two-stroke internal combustion engine with controlling piston.
 
      
         
        
          
             
              
                AT108247B 
                (en )
               
            
            
           
          
            1927-12-10 
            
            
           
          
  Two-stroke internal combustion engine with controlling piston.
 
      
         
        
          
             
              
                AT136224B 
                (en )
               
            
            
           
          
            1934-01-10 
            
            
           
          
  Device for separating the hot components of the exhaust gases from their cooler components in two-stroke internal combustion engines.
 
      
         
        
          
             
              
                AT73073B 
                (en )
               
            
            
           
          
            1917-02-10 
            
            
           
          
  Two-stroke internal combustion engine.
 
      
         
        
          
             
              
                AT138671B 
                (en )
               
            
            
           
          
            1934-09-10 
            
            
           
          
  Two-part cylinder head for side-controlled internal combustion engines.
 
      
         
        
          
             
              
                AT95213B 
                (en )
               
            
            
           
          
            1923-12-10 
            
            
           
          
  Crank gear for internal combustion engines with compression ignition.
 
      
         
        
          
             
              
                AT115115B 
                (en )
               
            
            
           
          
            1929-11-25 
            
            
           
          
  Internal combustion engine with a control element acting as a flushing and charging pump.
 
      
         
        
          
             
              
                AT93503B 
                (en )
               
            
            
           
          
            1923-07-10 
            
            
           
          
  Battery ignition device for internal combustion engines.
 
      
         
        
          
             
              
                AT119369B 
                (en )
               
            
            
           
          
            1930-10-10 
            
            
           
          
  Internal combustion engine.
 
      
         
        
          
             
              
                AT102177B 
                (en )
               
            
            
           
          
            1925-12-28 
            
            
           
          
  Valve control for internal combustion engines.
 
      
         
        
          
             
              
                AT96050B 
                (en )
               
            
            
           
          
            1924-02-11 
            
            
           
          
  Control for multi-cylinder internal combustion engines.
 
      
         
        
          
             
              
                AT140953B 
                (en )
               
            
            
           
          
            1935-03-11 
            
            
           
          
  Internal combustion engine with fuel injection.
 
      
         
        
          
             
              
                AT145663B 
                (en )
               
            
            
           
          
            1936-05-11 
            
            
           
          
  Plungers made of light metal, in particular for internal combustion engines.
 
      
         
        
          
             
              
                AT101199B 
                (en )
               
            
            
           
          
            1925-10-10 
            
            
           
          
  Fuel mixing device for internal combustion engines.
 
      
         
        
          
             
              
                GB210488A 
                (en )
               
            
            
           
          
            1924-02-07 
            
            
           
          Improvements in silencers for internal combustion engines 
      
         
        
          
             
              
                AT159653B 
                (en )
               
            
            
           
          
            1940-10-25 
            
            
           
          
  Vibration dampers, in particular for internal combustion engines.
 
      
         
        
          
             
              
                AT123711B 
                (en )
               
            
            
           
          
            1931-07-10 
            
            
           
          
  Combined ignition and cranking device for internal combustion engines.