Patents-Review.com
ClassID:

162739 ⎘

F41A21/04 - CPC Classification

Classification description:

Barrels; Gun tubes; Muzzle attachments; Barrel mounting means; Composite barrels, i.e. barrels having multiple layers, e.g. of different materials Barrel liners

Recent Application in this class:
#1
20250264288
2025-08-21

Firearm Barrel for Lever Action Firearm

 #2
20240353194
2024-10-24

Enhanced metal-metal-matrix composite weapon barrels

 #3
20240337456
2024-10-10

Carbon Firearm Barrel and Related Methods of Manufacturing

 #4
20240230264
2024-07-11

Hybrid Carbon - Steel Firearm Barrel

 #5
20240133649
2024-04-25

Hybrid carbon-steel firearm barrel

 #6
20230184505
2023-06-15

Hybrid composite projectile barrel

 #7
20230124066
2023-04-20

Weapon barrel having integrated suppressor

 #8
20230014337
2023-01-19

Radially self-adjusting gun barrel liner

 #9
20220390201
2022-12-08

Hybrid carbon—steel firearm barrel

 #10
20220163280
2022-05-26

Hybrid carbon—steel firearm barrel

 #11
20220018622
2022-01-20

Apparatus and Method for Tensioning a Gun Barrel Liner

 #12
20210041199
2021-02-11

Conversion kit having interchangeable barrel liners

 #13
20200408477
2020-12-31

Enhanced metal-metal-matrix composite weapon barrels

 #14
20190224787
2019-07-25

ATOMIC BARREL PROCESS

 #15
20190145726
2019-05-16

GUN BARREL LINER, AND ADDITIVE METHOD OF MAKING

 #16
20190128631
2019-05-02

Weapon Barrel Having Integrated Suppressor

 #17
20180202736
2018-07-19

Modular barrel system and method for its manufacture

 #18
20180023913
2018-01-25

Non-segmented composite barrel for gas operated firearms

 #19
20170205172
2017-07-20

Composite multi-lobe projectile barrel

 #20
20160320156
2016-11-03

Fiber winding system for composite projectile barrel structure

 #21
20160209144
2016-07-21

Gun barrel assembly

 #22
20160209143
2016-07-21

HIGH TEMPERATURE COMPOSITE PROJECTILE BARREL

 #23
20160153733
2016-06-02

MULTI-CALIBER WEAPON

 #24
20150247693
2015-09-03

Composite gun barrel with outer sleeve made from shape memory alloy to dampen firing vibrations

 #25
20140345180
2014-11-27

Insertion tube for firing sub-caliber ammunition bodies and weapon comprising an insertion tube

 #26
20140007857
2014-01-09

Gas Powered Gun Barrel

 #27
20120272558
2012-11-01

Barrel

 #28
20120233903
2012-09-20

FIREARM WITH ENHANCED CORROSION AND WEAR RESISTANCE PROPERTIES

 #29
20120227302
2012-09-13

Composite gun barrel with outer sleeve made from shape memory alloy to dampen firing vibrations

 #30
20110293955
2011-12-01

Methods of forming boron nitride

 #31
20110173864
2011-07-21

Segmented composite barrel for weapon

 #32
20110162246
2011-07-07

Composite firearm barrel reinforcement

 #33
20100051004
2010-03-04

Paintball Gun

 #34
20090205484
2009-08-20

Arrangement for electrical energy transmission in a gun

 #35
20090038601
2009-02-12

Method for making a barrel front for a paintball marker

 #36
20090017217
2009-01-15

Apparatus and method for applying coatings onto the interior surfaces of components and related structures produced therefrom

 #37
20070261286
2007-11-15

Composite firearm barrel reinforcement

 #38
20070193102
2007-08-23

Composite firearm barrel

 #39
20060265926
2006-11-30

Firearm with enhanced corrosion and wear resistance properties

 #40
20050268517
2005-12-08

Gun barrel and method of forming

 #41
20050091901
2005-05-05

Barrel assembly with removable barrel insert for pneumatic paintball gun

 #42
20050034346
2005-02-17

Gun barrel for launching projectiles

 #43
15493913
2019-05-07

Cold spray and WAAM methods for manufacturing gun barrels

 #44
15493850
2020-01-14

Cold spray methods for manufacturing gun barrels