Gas-expansion chambers Barrels provided with gas-relieving ports

Industry

CPC
F41A21/28

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F41Weapons F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE F41A21/00Barrels Gun tubes Muzzle attachments Barrel mounting means

Current Industry

F41A21/28Gas-expansion chambers Barrels provided with gas-relieving ports

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Paintball gun barrel with variable sized magna ports
- Patent number 12,247,799
- Issue date Mar 11, 2025
- Daniel Spence
- F41 - WEAPONS
Information Patent Grant
Electrical velocity enhancement assembly
- Patent number 12,203,714
- Issue date Jan 21, 2025
- Eddie L Brooks
- F41 - WEAPONS
Information Patent Grant
Muzzle device for a firearm
- Patent number 12,163,751
- Issue date Dec 10, 2024
- EIGHT HOLDINGS LLC
- Teodor Puha
- F41 - WEAPONS
Information Patent Grant
Weapon barrel having integrated suppressor
- Patent number 12,104,869
- Issue date Oct 1, 2024
- Eric T. Tonkin
- F41 - WEAPONS
Information Patent Grant
Firearm barrel with non-metal outer sleeve
- Patent number 12,050,074
- Issue date Jul 30, 2024
- BLACKSTONE FIREARMS, LLC
- Aaron E. Painter
- F41 - WEAPONS
Information Patent Grant
Coaxial gas flow silencer for a firearm
- Patent number 12,044,495
- Issue date Jul 23, 2024
- A-Tec Holding AS
- Anders Eckhoff Johansen
- F41 - WEAPONS
Information Patent Grant
Expansion chamber assembly and a method of manufacturing the same
- Patent number 11,988,476
- Issue date May 21, 2024
- F.M. Products Inc
- Paul T. Noonan
- F41 - WEAPONS
Information Patent Grant
Firearm assemblies with multiple gas ports
- Patent number 11,747,101
- Issue date Sep 5, 2023
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Grant
Muzzle device for a firearm
- Patent number 11,698,239
- Issue date Jul 11, 2023
- EIGHT HOLDINGS LLC
- Teodor Puha
- F41 - WEAPONS
Information Patent Grant
Firearm barrel with non-metal outer sleeve
- Patent number 11,680,765
- Issue date Jun 20, 2023
- Aaron E. Painter
- F41 - WEAPONS
Information Patent Grant
Firearm
- Patent number 11,629,921
- Issue date Apr 18, 2023
- A. W. Richey
- F41 - WEAPONS
Information Patent Grant
Gas block and barrel assembly and method of fabricating same
- Patent number 11,614,297
- Issue date Mar 28, 2023
- Maxim Defense Industries, LLC
- Joseph Wheeler
- F41 - WEAPONS
Information Patent Grant
Firearm
- Patent number 11,313,633
- Issue date Apr 26, 2022
- A. W. Richey
- F41 - WEAPONS
Information Patent Grant
Expansion chamber assembly and a method of manufacturing the same
- Patent number 11,268,776
- Issue date Mar 8, 2022
- F.M. Products Inc
- Paul T. Noonan
- F41 - WEAPONS
Information Patent Grant
Integrally suppressed barrel
- Patent number 11,162,754
- Issue date Nov 2, 2021
- Charles D. Heckenlively
- F41 - WEAPONS
Information Patent Grant
Breech and method for noise reduction
- Patent number 11,067,354
- Issue date Jul 20, 2021
- Saab AB
- Mathias Lindström
- F41 - WEAPONS
Information Patent Grant
Firearm system and method
- Patent number 11,047,634
- Issue date Jun 29, 2021
- Forward Defense Munitions, Co.
- Martin Grier
- F41 - WEAPONS
Information Patent Grant
Gas block and barrel assembly and method of fabricating same
- Patent number 11,041,687
- Issue date Jun 22, 2021
- Maxim Defense Industries, LLC
- Joseph Wheeler
- F41 - WEAPONS
Information Patent Grant
Firearm suppressor
- Patent number 11,035,637
- Issue date Jun 15, 2021
- AEGIX GLOBAL, LLC
- Anthony L. Barney
- F41 - WEAPONS
Information Patent Grant
Firearm with pressure relieving features
- Patent number 10,962,317
- Issue date Mar 30, 2021
- Nicholas E. Young
- F41 - WEAPONS
Information Patent Grant
Firearm with pressure relieving features
- Patent number 10,962,316
- Issue date Mar 30, 2021
- Nicholas E. Young
- F41 - WEAPONS
Information Patent Grant
Firearm having an integral compensator
- Patent number 10,941,998
- Issue date Mar 9, 2021
- Jason Fan
- F41 - WEAPONS
Information Patent Grant
Firearm system and method
- Patent number 10,921,073
- Issue date Feb 16, 2021
- Forward Defense Munitions, Co.
- Martin Grier
- F41 - WEAPONS
Information Patent Grant
Firearm barrel with non-metal outer sleeve
- Patent number 10,907,921
- Issue date Feb 2, 2021
- Aaron E. Painter
- F41 - WEAPONS
Information Patent Grant
Firearm suppressor
- Patent number 10,900,734
- Issue date Jan 26, 2021
- Hailey Ordnance Company
- Stephen C. Hailey
- F41 - WEAPONS
Information Patent Grant
Gas block assembly
- Patent number 10,876,805
- Issue date Dec 29, 2020
- Paul A. Oglesby
- F41 - WEAPONS
Information Patent Grant
Method and tool for alignment of a gas block and rifle barrel
- Patent number 10,845,140
- Issue date Nov 24, 2020
- Loring Smith
- F41 - WEAPONS
Information Patent Grant
Integrally suppressed handgun
- Patent number 10,794,652
- Issue date Oct 6, 2020
- Sturm Ruger & Company, Inc.
- Jonathan Barrett
- F41 - WEAPONS
Information Patent Grant
Grounded and vehicular mounted weapons with improved recoil stability
- Patent number 10,788,284
- Issue date Sep 29, 2020
- The United States of America as represented by the Secretary of the Army
- Eric Kathe
- F41 - WEAPONS
Information Patent Grant
Lightweight cartridge case and weapon system
- Patent number 10,782,107
- Issue date Sep 22, 2020
- The United States of America as represented by the Secretary of the Army
- Frank Dindl
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
FIREARM BARREL THAT REDUCES LAUNCH VELOCITY OF BULLETS
- Publication number 20250123070
- Publication date Apr 17, 2025
- The United States of America, as represented by the Secretary of the Navy
- Brian R. Hoffman
- F41 - WEAPONS
Information Patent Application
FIREARM AND A METHOD FOR REDUCING FIREARM BARREL RISE
- Publication number 20250093119
- Publication date Mar 20, 2025
- MICHAEL ARTHUR GREEN
- F41 - WEAPONS
Information Patent Application
Speed Control
- Publication number 20240337457
- Publication date Oct 10, 2024
- Jeffrey Boschert
- F41 - WEAPONS
Information Patent Application
DYNAMIC RAM ACCELERATOR SYSTEM
- Publication number 20230417499
- Publication date Dec 28, 2023
- PIPELINE2SPACE, INC.
- MARK C. RUSSELL
- F41 - WEAPONS
Information Patent Application
MUZZLE DEVICE FOR A FIREARM
- Publication number 20230400275
- Publication date Dec 14, 2023
- Eight Holdings LLC
- Teodor Puha
- F41 - WEAPONS
Information Patent Application
FIREARM ASSEMBLIES WITH MULTIPLE GAS PORTS
- Publication number 20230366643
- Publication date Nov 16, 2023
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
FIREARM BARREL ASSEMBLY
- Publication number 20230349657
- Publication date Nov 2, 2023
- AARON E. PAINTER
- F41 - WEAPONS
Information Patent Application
ELECTRICAL VELOCITY ENHANCEMENT ASSEMBLY
- Publication number 20230288154
- Publication date Sep 14, 2023
- EDDIE L BROOKS
- F41 - WEAPONS
Information Patent Application
Weapon Barrel Having Integrated Suppressor
- Publication number 20230124066
- Publication date Apr 20, 2023
- Eric T. Tonkin
- F41 - WEAPONS
Information Patent Application
FIREARM BARREL WITH OUTER SLEEVE
- Publication number 20230022445
- Publication date Jan 26, 2023
- AARON E. PAINTER
- F41 - WEAPONS
Information Patent Application
FIREARM BARRELL WITH NON-METAL OUTER SLEEVE
- Publication number 20230003473
- Publication date Jan 5, 2023
- AARON E. PAINTER
- F41 - WEAPONS
Information Patent Application
EXPANSION CHAMBER ASSEMBLY AND A METHOD OF MANUFACTURING THE SAME
- Publication number 20230003478
- Publication date Jan 5, 2023
- F.M. Products Inc
- Paul T. Noonan
- F41 - WEAPONS
Information Patent Application
FIREARM
- Publication number 20220325966
- Publication date Oct 13, 2022
- A. W. Richey
- F41 - WEAPONS
Information Patent Application
MUZZLE DEVICE FOR A FIREARM
- Publication number 20220214129
- Publication date Jul 7, 2022
- Eight Holdings, LLC
- Teodor Puha
- F41 - WEAPONS
Information Patent Application
Silencer
- Publication number 20220155034
- Publication date May 19, 2022
- A-TEC HOLDING AS
- Anders Eckhoff Johansen
- F41 - WEAPONS
Information Patent Application
FIREARM ASSEMBLIES WITH MULTIPLE GAS PORTS
- Publication number 20220113099
- Publication date Apr 14, 2022
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
GAS BLOCK AND BARREL ASSEMBLY AND METHOD OF FABRICATING SAME
- Publication number 20210333060
- Publication date Oct 28, 2021
- Maxim Defense Industries, LLC
- Joseph Wheeler
- F41 - WEAPONS
Information Patent Application
Firearm Barrel Including a Gas Pressure Relief Chamber
- Publication number 20210278159
- Publication date Sep 9, 2021
- Russell Leone
- F41 - WEAPONS
Information Patent Application
Sound suppressor with integrated ablative injection system for fire...
- Publication number 20210190449
- Publication date Jun 24, 2021
- Phillip Scott Travis
- F41 - WEAPONS
Information Patent Application
FIREARM SYSTEM AND METHOD
- Publication number 20210156632
- Publication date May 27, 2021
- FORWARD DEFENSE MUNITIONS, CO.
- Martin Grier
- F41 - WEAPONS
Information Patent Application
Integrally Suppressed Barrel
- Publication number 20210071980
- Publication date Mar 11, 2021
- Charles Heckenlively
- F41 - WEAPONS
Information Patent Application
DUAL SYSTEM BULLPUP RIFLE HAVING THE GAS SYSTEM ON THE BARREL
- Publication number 20200318926
- Publication date Oct 8, 2020
- Aksa Silah Insaat Metal Sanayi Ticaret Limited Sirketi
- Hüseyin ÖZENSER
- F41 - WEAPONS
Information Patent Application
GAS BLOCK AND BARREL ASSEMBLY AND METHOD OF FABRICATING SAME
- Publication number 20200278165
- Publication date Sep 3, 2020
- Maxim Defense Industries, LLC
- Joseph Wheeler
- F41 - WEAPONS
Information Patent Application
APPARATUS AND METHOD FOR RESONANCE MODULATION OF FIREARM DISCHARGE...
- Publication number 20200224989
- Publication date Jul 16, 2020
- Maxim Defense Industries, LLC
- Travis Bundy
- F41 - WEAPONS
Information Patent Application
INTEGRALLY SUPPRESSED HANDGUN
- Publication number 20200103193
- Publication date Apr 2, 2020
- Sturm, Ruger & Company, Inc.
- Jonathan Barrett
- F41 - WEAPONS
Information Patent Application
FIREARM WITH PRESSURE RELIEVING FEATURES
- Publication number 20200080808
- Publication date Mar 12, 2020
- Nicholas E. Young
- F41 - WEAPONS
Information Patent Application
FIREARM WITH PRESSURE RELIEVING FEATURES
- Publication number 20200080809
- Publication date Mar 12, 2020
- Nicholas E. Young
- F41 - WEAPONS
Information Patent Application
FIREARM SOUND SUPPRESSOR HAVING FLASH HIDER
- Publication number 20200064099
- Publication date Feb 27, 2020
- SMITH & WESSON CORP.
- Nolan Blake Young
- F41 - WEAPONS
Information Patent Application
MUZZLE BRAKE DEVICE
- Publication number 20200049443
- Publication date Feb 13, 2020
- James Eric McMillan
- F41 - WEAPONS
Information Patent Application
FIREARM SYSTEM AND METHOD
- Publication number 20200025471
- Publication date Jan 23, 2020
- Martin Grier
- F41 - WEAPONS

Gas-expansion chambers Barrels provided with gas-relieving ports

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Paintball gun barrel with variable sized magna ports

Electrical velocity enhancement assembly

Muzzle device for a firearm

Weapon barrel having integrated suppressor

Firearm barrel with non-metal outer sleeve

Coaxial gas flow silencer for a firearm

Expansion chamber assembly and a method of manufacturing the same

Firearm assemblies with multiple gas ports

Muzzle device for a firearm

Firearm barrel with non-metal outer sleeve

Firearm

Gas block and barrel assembly and method of fabricating same

Firearm

Expansion chamber assembly and a method of manufacturing the same

Integrally suppressed barrel

Breech and method for noise reduction

Firearm system and method

Gas block and barrel assembly and method of fabricating same

Firearm suppressor

Firearm with pressure relieving features

Firearm with pressure relieving features

Firearm having an integral compensator

Firearm system and method

Firearm barrel with non-metal outer sleeve

Firearm suppressor

Gas block assembly

Method and tool for alignment of a gas block and rifle barrel

Integrally suppressed handgun

Grounded and vehicular mounted weapons with improved recoil stability

Lightweight cartridge case and weapon system

Patents Applicationslast 30 patents

FIREARM BARREL THAT REDUCES LAUNCH VELOCITY OF BULLETS

FIREARM AND A METHOD FOR REDUCING FIREARM BARREL RISE

Speed Control

DYNAMIC RAM ACCELERATOR SYSTEM

MUZZLE DEVICE FOR A FIREARM

FIREARM ASSEMBLIES WITH MULTIPLE GAS PORTS

FIREARM BARREL ASSEMBLY

ELECTRICAL VELOCITY ENHANCEMENT ASSEMBLY

Weapon Barrel Having Integrated Suppressor

FIREARM BARREL WITH OUTER SLEEVE

FIREARM BARRELL WITH NON-METAL OUTER SLEEVE

EXPANSION CHAMBER ASSEMBLY AND A METHOD OF MANUFACTURING THE SAME

FIREARM

MUZZLE DEVICE FOR A FIREARM

Silencer

FIREARM ASSEMBLIES WITH MULTIPLE GAS PORTS

GAS BLOCK AND BARREL ASSEMBLY AND METHOD OF FABRICATING SAME

Firearm Barrel Including a Gas Pressure Relief Chamber

Sound suppressor with integrated ablative injection system for fire...

FIREARM SYSTEM AND METHOD

Integrally Suppressed Barrel

DUAL SYSTEM BULLPUP RIFLE HAVING THE GAS SYSTEM ON THE BARREL

GAS BLOCK AND BARREL ASSEMBLY AND METHOD OF FABRICATING SAME

APPARATUS AND METHOD FOR RESONANCE MODULATION OF FIREARM DISCHARGE...

INTEGRALLY SUPPRESSED HANDGUN

FIREARM WITH PRESSURE RELIEVING FEATURES

FIREARM WITH PRESSURE RELIEVING FEATURES

FIREARM SOUND SUPPRESSOR HAVING FLASH HIDER

MUZZLE BRAKE DEVICE

FIREARM SYSTEM AND METHOD