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| 9140505 | Slide bearing component for pistol with light alloy body structure | Jun 07, 13 | Sep 22, 15 | SARSILMAZ SILAH SANAYI A.S. |
| 8939059 | Progressive gun spring recoil system with high energy rebound | Oct 15, 13 | Jan 27, 15 | Recoil Rebound, LLC |
| 8857308 | Cannon breechblock insert assembly | Feb 21, 13 | Oct 14, 14 | The United States of America as represented by the Secretary of the Army |
| 8826794 | Breech mechanism sliding contact assembly | Mar 08, 13 | Sep 09, 14 | The United States of America as represented by the Secretary of the Army, THE UNITED STATES OF AMERICA, |
| 8667722 | Firearm with enhanced recoil and control characteristics | Feb 27, 12 | Mar 11, 14 | KRISS SYSTEMS SA |
| 8549977 | Apparatus for opening and closing breech block and cannon having the same | Dec 27, 11 | Oct 08, 13 | AGENCY FOR DEFENSE DEVELOPMENT |
| 8122633 | Firearm with enhanced recoil and control characteristics | Jan 10, 08 | Feb 28, 12 | KRISS SYSTEMS SA |
| 7137217 | Auto-loading firearm mechanisms and methods | May 28, 04 | Nov 21, 06 | KNIGHT'S ARMAMENT COMPANY |
| 6595100 | Weapon | Sep 04, 02 | Jul 22, 03 | Rheinmetall W & M GmbH |
| 6223643 | Obturator for a gun | Jan 11, 99 | May 01, 01 | Denel (Pty) Ltd |
| 5544563 | Primer cartridge leader for guns | Dec 09, 93 | Aug 13, 96 | ROYAL ORDNANCE PLC, Vickers Shipbuilding & Engineering Limited, Royal Ordinance PLC, |
| 5317949 | Firing mechanism for breech-loading weapons | Apr 09, 93 | Jun 07, 94 | Not available |
| 5042361 | Breechblock mechanism for a gun | Oct 25, 89 | Aug 27, 91 | RHEINMETALL GMBH |
| 5014592 | Multi-lug breech mechanism | Jan 02, 90 | May 14, 91 | The United States of America as represented by the Secretary of the Army |
| 4991490 | Breech wedge for artillery cannon | Dec 16, 88 | Feb 12, 91 | ETAT FRANCAIS REPRESENTE PAR LE DELEGUE GENERAL POUR L'ARMEMENT, GIAT INDUSTRIES, |
| 4986162 | Blocking device to interrupt movement of a wedge-type breechblock | Nov 08, 89 | Jan 22, 91 | RHEINMETALL GMBH |
| 4949493 | Firearm | Sep 07, 89 | Aug 21, 90 | Steyr-Daimler-Puch AG |