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Class Information
Number: 89/16
Name: Ordnance > Barrels > Composite
Description: Gun barrels built up or formed of more than one piece.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8677670 Segmented composite barrel for weapon Mar. 25, 2014
8316568 Composite firearm barrel reinforcement Nov. 27, 2012
8261480 Rigid composite structure with a superhard interior surface Sep. 11, 2012
8020333 Cylinder with polycrystalline diamond interior Sep. 20, 2011
7987624 Flashless electric firearm and ammunition therefor Aug. 2, 2011
7921590 Composite firearm barrel reinforcement Apr. 12, 2011
7913607 IM-lock for weapons having preloaded projectiles Mar. 29, 2011
7866079 Modular barrel assembly Jan. 11, 2011
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
7503249 Barrels for electromagnetic guns Mar. 17, 2009
7334364 Process for imprinting a composite ventilated rib Feb. 26, 2008
7182014 Gun barrel for launching projectiles Feb. 27, 2007
7171886 Pipe mortar Feb. 6, 2007
7152357 Composite firearm barrel assemblies Dec. 26, 2006
7059078 Process for imprinting a composite ventilated rib Jun. 13, 2006
6889464 Composite structural member May. 10, 2005
6810615 Method for gun barrel manufacture using tailored autofrettage mandrels Nov. 2, 2004
6789454 Gun barrel for launching large projectiles Sep. 14, 2004
6758004 Firearm barrel manufacturing methods and barrel assemblies Jul. 6, 2004
6701656 Weapon barrel having a hard chromium inner layer Mar. 9, 2004
6637309 Launch tube and a method for making a launch tube Oct. 28, 2003
6615702 Gun barrel Sep. 9, 2003
6564689 Blank for gun barrel, method for producing said gun barrel and gun barrel May. 20, 2003
6543173 Firearm assembly Apr. 8, 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
6482248 Aluminum composite for gun barrels Nov. 19, 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
6293178 Pyrotechnic launch tube Sep. 25, 2001
6230429 Composite tube for gun barrel May. 15, 2001
6189431 Small caliber gun barrel Feb. 20, 2001
6158158 Method of frictionally bonding a liner to an outer tube of a weapon barrel Dec. 12, 2000
6142057 Tubular weapon Nov. 7, 2000
6079310 Portable launcher Jun. 27, 2000
5928799 High temperature, high pressure, erosion and corrosion resistant composite structure Jul. 27, 1999
5915937 Primarily independent composite/metallic gun barrel Jun. 29, 1999
5856631 Gun barrel Jan. 5, 1999
5837921 Gun barrel with integral midwall cooling Nov. 17, 1998
5804756 Composite/metallic gun barrel having matched coefficients of thermal expansion Sep. 8, 1998
5753848 Semi-automatic pistol barrel with precision adjustment means and method of precision-adjusting semi-automatic pistols May. 19, 1998
5692334 Primarily independent composite/metallic gun barrel Dec. 2, 1997
5657568 Composite/metallic gun barrel having a differing, restrictive coefficient of thermal expansion Aug. 19, 1997
5650586 Anti buckle fitting Jul. 22, 1997
5600912 Composite tube for a gun barrel Feb. 11, 1997
5590485 Rib for firearm and method of making a barrel with rib Jan. 7, 1997
5581928 Gun barrel having an erosion-reducing lining Dec. 10, 1996
5546844 Hybrid propellant/electrothermal gun Aug. 20, 1996
5475940 Firearm with gas-escape port Dec. 19, 1995

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