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Class Information
Number: 89/14.1
Name: Ordnance > Barrels > With heat exchanger
Description: Devices having means to promote the transfer of heat between the barrel and any external media.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7594463 |
Evaporative barrel cooler |
Sep. 29, 2009 |
| 7464496 |
Heat exchanger barrel nut |
Dec. 16, 2008 |
| 7415918 |
Fume extractor |
Aug. 26, 2008 |
| 7363741 |
Hand guard assembly for firearms |
Apr. 29, 2008 |
| 6945154 |
Finned carbine handguard assembly |
Sep. 20, 2005 |
| 6885332 |
Multi-piece gun barrel shroud system |
Apr. 26, 2005 |
| 6705195 |
Method and apparatus for gun barrel cooling |
Mar. 16, 2004 |
| 6694660 |
Rifle handguard system with integrated barrel nut |
Feb. 24, 2004 |
| 6679156 |
Weapon with rotating barrel |
Jan. 20, 2004 |
| 6508159 |
Heat sink for firearm barrels and method for attachment and use |
Jan. 21, 2003 |
| 6461752 |
Portable electric generator with thermal electric co-generator |
Oct. 8, 2002 |
| 6314857 |
Weapon barrel |
Nov. 13, 2001 |
| 6311602 |
Device for cooling gun barrels of firearms |
Nov. 6, 2001 |
| 6178769 |
Cooling apparatus for the breech region of a weapon barrel |
Jan. 30, 2001 |
| 6167794 |
Gun barrel vibration absorber |
Jan. 2, 2001 |
| 6142057 |
Tubular weapon |
Nov. 7, 2000 |
| 5915937 |
Primarily independent composite/metallic gun barrel |
Jun. 29, 1999 |
| 5837921 |
Gun barrel with integral midwall cooling |
Nov. 17, 1998 |
| 5726375 |
Gun barrel shrouding system |
Mar. 10, 1998 |
| 5703318 |
Artillery gun mount |
Dec. 30, 1997 |
| 5692334 |
Primarily independent composite/metallic gun barrel |
Dec. 2, 1997 |
| 5650586 |
Anti buckle fitting |
Jul. 22, 1997 |
| 5475940 |
Firearm with gas-escape port |
Dec. 19, 1995 |
| 5400691 |
Rigid thermal sleeve for a gun barrel |
Mar. 28, 1995 |
| 5245905 |
Continuous bore evacuation system |
Sep. 21, 1993 |
| 5202530 |
Light armor piercing automatic rifle |
Apr. 13, 1993 |
| 5198600 |
Mount for rifle |
Mar. 30, 1993 |
| 5189245 |
Thermally and mechanically stable muzzle reference system collimator assembly |
Feb. 23, 1993 |
| 5117734 |
Rifle bore cooler |
Jun. 2, 1992 |
| 5062346 |
Heat protective covering for a pipe and a rod-shaped article, especially for gun barrels |
Nov. 5, 1991 |
| 5060552 |
Rail guns |
Oct. 29, 1991 |
| 4982648 |
Gun barrel cooling arrangement |
Jan. 8, 1991 |
| 4884490 |
Apparatus for cooling the barrel inner wall of a weapon barrel of a firing weapon |
Dec. 5, 1989 |
| 4841836 |
Thermal shroud for a gun tube |
Jun. 27, 1989 |
| 4762048 |
Apparatus for uniforming heat of gun barrel |
Aug. 9, 1988 |
| 4753154 |
Gun barrel for tank |
Jun. 28, 1988 |
| 4663875 |
Rifle handguard assembly having outer shell with outer and inner liners |
May. 12, 1987 |
| 4638713 |
Thermal sleeve for gun barrels |
Jan. 27, 1987 |
| 4554860 |
Pressure damper for recoilless weapons |
Nov. 26, 1985 |
| 4535676 |
Cooling arrangement for the gun barrels of firearms |
Aug. 20, 1985 |
| 4463653 |
Method and apparatus for protecting vehicles against reconnaissance by IR-IMAGING equipment |
Aug. 7, 1984 |
| 4346643 |
Thermal jacket for elongated structures |
Aug. 31, 1982 |
| 4164889 |
Liquid propellant modular gun incorporating dual cam operation and internal water cooling |
Aug. 21, 1979 |
| 4164890 |
Liquid propellant modular gun incorporating dual cam operation and internal water cooling |
Aug. 21, 1979 |
| 4159588 |
Apparatus for supporting sporting guns during testing intervals |
Jul. 3, 1979 |
| 4062266 |
Liquid propellant modular gun incorporating dual cam operation and internal water cooling |
Dec. 13, 1977 |
| 3964368 |
Automatic pistol |
Jun. 22, 1976 |
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