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Browse by Category: Main > Firearms & Weapons
Class Information
Number: 42/76.02
Name: Firearms > Barrels > Materials or coatings
Description: Subject matter comprising the substance of which the barrel is made of compositions for treating the surface or the barrel.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8595971 System and method for improving performance of a weapon barrel Dec. 3, 2013
8522471 Firearms and firearm components comprising bonded multi-metallic materials; methods of manufacture Sep. 3, 2013
8479428 Firearm with finished receiver and method Jul. 9, 2013
8413571 Weapons system construction and modification including improved gas management system Apr. 9, 2013
8316568 Composite firearm barrel reinforcement Nov. 27, 2012
8307751 Weapons system construction and modification including improved gas management system Nov. 13, 2012
8261480 Rigid composite structure with a superhard interior surface Sep. 11, 2012
8136286 Firearms and firearm components comprising bonded multi-metallic materials Mar. 20, 2012
8112930 Firearm with enhanced corrosion and wear resistance properties Feb. 14, 2012
8025003 Fluted firearm barrel Sep. 27, 2011
8020333 Cylinder with polycrystalline diamond interior Sep. 20, 2011
7987624 Flashless electric firearm and ammunition therefor Aug. 2, 2011
7963203 Rifle Jun. 21, 2011
7934332 Composite firearm barrel May. 3, 2011
7921590 Composite firearm barrel reinforcement Apr. 12, 2011
7866079 Modular barrel assembly Jan. 11, 2011
7802393 Soft-projectile gun barrel and method for making same Sep. 28, 2010
7775200 Barrel system for a paintball marker Aug. 17, 2010
7743965 Process to deposit a protective coating on the inner wall of a tube, and notably a gun barrel produced according to this process Jun. 29, 2010
7721478 Gun barrel and method of forming May. 25, 2010
7650710 Article with enhanced resistance to thermochemical erosion, and method for its manufacture Jan. 26, 2010
7197986 Composite steel and ceramic gun barrels Apr. 3, 2007
7182014 Gun barrel for launching projectiles Feb. 27, 2007
7152357 Composite firearm barrel assemblies Dec. 26, 2006
7140140 Choke tube Nov. 28, 2006
7013592 Guns with exterior surface configured barrels Mar. 21, 2006
6889464 Composite structural member May. 10, 2005
6789454 Gun barrel for launching large projectiles Sep. 14, 2004
6782650 Nodular nickel boron coating Aug. 31, 2004
6758004 Firearm barrel manufacturing methods and barrel assemblies Jul. 6, 2004
6711819 Scandium containing aluminum alloy firearm Mar. 30, 2004
6701656 Weapon barrel having a hard chromium inner layer Mar. 9, 2004
6615702 Gun barrel Sep. 9, 2003
6594936 Method for lining a gun barrel Jul. 22, 2003
6576598 Ballistics conditioning Jun. 10, 2003
6557289 Scandium containing aluminum alloy firearm May. 6, 2003
6511710 Method of internally coating a weapon barrel by a plasma flame Jan. 28, 2003
6497065 Firearm barrel having protective sleeve Dec. 24, 2002
6467213 Method of providing a weapon barrel with an internal hard chromium layer Oct. 22, 2002
6457274 Composite tube for gun barrel Oct. 1, 2002
6412390 Low impulse firing adapter for combination gas and recoil operated weapons Jul. 2, 2002
6381893 Weapon barrel having a hard chromium inner layer May. 7, 2002
6352740 Method of coating an inner surface of a weapon barrel Mar. 5, 2002
6230429 Composite tube for gun barrel May. 15, 2001
6189431 Small caliber gun barrel Feb. 20, 2001
6183820 Method of internally coating a metal tube by explosive evaporation of the coating substance Feb. 6, 2001
6158158 Method of frictionally bonding a liner to an outer tube of a weapon barrel Dec. 12, 2000
5915937 Primarily independent composite/metallic gun barrel Jun. 29, 1999
5856631 Gun barrel Jan. 5, 1999
5804756 Composite/metallic gun barrel having matched coefficients of thermal expansion Sep. 8, 1998

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