| US2442369A
              (en)
            
            * | 1942-07-20 | 1948-06-01 | Us Sec War | Rifling band | 
        
          | US2974593A
              (en)
            
            * | 1952-11-07 | 1961-03-14 | Forrest G Bitner | Seal | 
        
          | US3130671A
              (en)
            
            * | 1955-11-26 | 1964-04-28 | Berghaus Elektrophysik Anst | Method of reducing barrel wear | 
        
          | NL266519A
              (forum.php)
            
            * | 1960-06-29 |  |  |  | 
        
          | US3585934A
              (en)
            
            * | 1967-11-24 | 1971-06-22 | Aai Corp | Underwater ammunition | 
        
          | US3687079A
              (en)
            
            * | 1970-11-20 | 1972-08-29 | Us Army | Sectioned obturating ring | 
        
          | DE2551389A1
              (de)
            
            * | 1975-11-15 | 1977-05-26 | Rheinmetall Gmbh | Fluegelstabilisiertes geschoss | 
        
          | US4470604A
              (en)
            
            * | 1977-12-12 | 1984-09-11 | Hoffmann Anton R | Target practice system | 
        
          | NO147159L
              (forum.php)
            
            * | 1979-09-08 | 1900-01-01 |  |  | 
        
          | DE3033042C2
              (de)
            
            * | 1980-09-03 | 1985-06-27 | L'Etat Français représenté par le Délégué Général pour l'Armement, Paris | Mittel zum Forcieren während der Schußentwicklung bei Munition für eine Glattrohrwaffe | 
        
          | US4552071A
              (en)
            
            * | 1982-06-15 | 1985-11-12 | United Technologies Corporation | Two-piece despin obturator | 
        
          | US5189250A
              (en)
            
            * | 1988-10-05 | 1993-02-23 | Frag, Ltd. | Projectile for smooth bore weapon | 
        
          | US5056406A
              (en)
            
            * | 1990-03-15 | 1991-10-15 | The Boeing Company | Fiber optic mortar projectile | 
        
          | US5259319A
              (en)
            
            * | 1992-03-20 | 1993-11-09 | Richard Dravecky | Reusable training ammunition | 
        
          | US6715398B2
              (en)
            
            * | 1994-03-14 | 2004-04-06 | Metal Storm Limited | Barrel assembly for firearms | 
        
          | AUPN426595A0
              (en)
            
            * | 1995-07-19 | 1995-10-05 | O'dwyer, James Michael | Firearms | 
        
          | DE19532745C2
              (de)
            
            * | 1995-09-05 | 1998-11-26 | Rheinmetall Ind Ag | Führungsband-Dichtsystem für ein drallstabilisiertes Geschoß | 
        
          | US6453821B1
              (en)
            
            * | 1999-06-29 | 2002-09-24 | Raytheon Company | High-temperature obturator for a gun-launched projectile | 
        
          | US6295934B1
              (en) | 1999-06-29 | 2001-10-02 | Raytheon Company | Mid-body obturator for a gun-launched projectile | 
        
          | US6369373B1
              (en) | 1999-06-29 | 2002-04-09 | Raytheon Company | Ramming brake for gun-launched projectiles | 
        
          | US6672194B2
              (en)
            
            * | 2001-07-19 | 2004-01-06 | Textron Systems Corporation | Energetic-based actuator device with rotary piston | 
        
          | DE10157563A1
              (de)
            
            * | 2001-11-23 | 2003-06-12 | Rheinmetall W & M Gmbh | Vollkalibriges Geschoss | 
        
          | US7273012B2
              (en)
            
            * | 2004-06-09 | 2007-09-25 | Bae Systems Land & Armaments L.P. | Projectile fall-back preventer | 
        
          | GB0713369D0
              (en)
            
            * | 2007-07-04 | 2008-03-12 | Bae Systems Plc | Charge Mount | 
        
          | US20160298945A1
              (en)
            
            * | 2014-06-27 | 2016-10-13 | Shooting Edge Technology, LLC | Air Driven Projectile | 
        
          | GB2557925A
              (en)
            
            * | 2016-12-16 | 2018-07-04 | Bae Systems Plc | Mortar bomb | 
        
          | WO2018109436A1
              (en) | 2016-12-16 | 2018-06-21 | Bae Systems Plc | Mortar bomb |