Krzysztof Kras

Person

Fremont, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Machine gun suppressor
- Patent number 11,859,932
- Issue date Jan 2, 2024
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Mounting and retention assembly for suppressors
- Patent number 11,732,989
- Issue date Aug 22, 2023
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Suppressor with reduced gas back flow
- Patent number 11,686,547
- Issue date Jun 27, 2023
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Integrated flash hider for small arms suppressors
- Patent number 11,280,571
- Issue date Mar 22, 2022
- Sig Sauer, Inc.
- Evan Miller
- F41 - WEAPONS
Information Patent Grant
Trigger with redundant striker safety
- Patent number 11,274,893
- Issue date Mar 15, 2022
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Suppressor with reduced gas back flow and integral flash hider
- Patent number 11,255,623
- Issue date Feb 22, 2022
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Suppressor with integral flash hider and reduced gas back flow
- Patent number 11,162,753
- Issue date Nov 2, 2021
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Quick disconnect mount for muzzle attachments
- Patent number 10,801,796
- Issue date Oct 13, 2020
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Air gun with adjustable trigger mechanism
- Patent number 10,451,379
- Issue date Oct 22, 2019
- Sig Sauer, Inc.
- Justin Daniel Heckert
- F41 - WEAPONS
Information Patent Grant
Air gun with cocking linkage shoe
- Patent number 10,386,154
- Issue date Aug 20, 2019
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Grant
Air gun with barrel alignment wedge
- Patent number 10,288,375
- Issue date May 14, 2019
- Sig Sauer, Inc.
- Sidney A. Spreadbury
- F41 - WEAPONS
Information Patent Grant
Air gun with multiple energy sources
- Patent number 9,982,962
- Issue date May 29, 2018
- Sig Sauer, Inc.
- Krzysztof Kras
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
SUPPRESSOR BAFFLE
- Publication number 20240288242
- Publication date Aug 29, 2024
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
MACHINE GUN TRIGGER WITH SELECT FIRE
- Publication number 20240102761
- Publication date Mar 28, 2024
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
TOOLLESS SUPRESSOR MOUNT
- Publication number 20240077273
- Publication date Mar 7, 2024
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
MACHINE GUN SUPPRESSOR
- Publication number 20230417507
- Publication date Dec 28, 2023
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
SUPPRESSOR WITH REDUCED GAS BACK FLOW
- Publication number 20220049920
- Publication date Feb 17, 2022
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
MOUNTING AND RETENTION ASSEMBLY FOR SUPPRESSORS
- Publication number 20210356225
- Publication date Nov 18, 2021
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
INTEGRATED FLASH HIDER FOR SMALL ARMS SUPPRESSORS
- Publication number 20210190451
- Publication date Jun 24, 2021
- Sig Sauer, Inc.
- Evan Miller
- F41 - WEAPONS
Information Patent Application
SUPPRESSOR WITH REDUCED GAS BACK FLOW AND INTEGRAL FLASH HIDER
- Publication number 20210041200
- Publication date Feb 11, 2021
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
SUPPRESSOR WITH INTEGRAL FLASH HIDER AND REDUCED GAS BACK FLOW
- Publication number 20210003360
- Publication date Jan 7, 2021
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
QUICK DISCONNECT MOUNT FOR MUZZLE ATTACHMENTS
- Publication number 20190353446
- Publication date Nov 21, 2019
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
AIR GUN WITH COCKING LINKAGE SHOE
- Publication number 20180347937
- Publication date Dec 6, 2018
- Sig Sauer, Inc.
- Krzysztof J. Kras
- F41 - WEAPONS
Information Patent Application
AIR GUN WITH BARREL ALIGNMENT WEDGE
- Publication number 20180252492
- Publication date Sep 6, 2018
- Sig Sauer, Inc.
- Sidney A. Spreadbury
- F41 - WEAPONS
Information Patent Application
AIR GUN WITH ADJUSTABLE TRIGGER MECHANISM
- Publication number 20180252493
- Publication date Sep 6, 2018
- Sig Sauer, Inc.
- Justin Daniel Heckert
- F41 - WEAPONS
Information Patent Application
AIR GUN WITH MULTIPLE ENERGY SOURCES
- Publication number 20170089664
- Publication date Mar 30, 2017
- Sig Sauer, Inc.
- Krzysztof Kras
- F41 - WEAPONS

Krzysztof Kras

Person

Patents Grantslast 30 patents

Machine gun suppressor

Mounting and retention assembly for suppressors

Suppressor with reduced gas back flow

Integrated flash hider for small arms suppressors

Trigger with redundant striker safety

Suppressor with reduced gas back flow and integral flash hider

Suppressor with integral flash hider and reduced gas back flow

Quick disconnect mount for muzzle attachments

Air gun with adjustable trigger mechanism

Air gun with cocking linkage shoe

Air gun with barrel alignment wedge

Air gun with multiple energy sources

Patents Applicationslast 30 patents

SUPPRESSOR BAFFLE

MACHINE GUN TRIGGER WITH SELECT FIRE

TOOLLESS SUPRESSOR MOUNT

MACHINE GUN SUPPRESSOR

SUPPRESSOR WITH REDUCED GAS BACK FLOW

MOUNTING AND RETENTION ASSEMBLY FOR SUPPRESSORS

INTEGRATED FLASH HIDER FOR SMALL ARMS SUPPRESSORS

SUPPRESSOR WITH REDUCED GAS BACK FLOW AND INTEGRAL FLASH HIDER

SUPPRESSOR WITH INTEGRAL FLASH HIDER AND REDUCED GAS BACK FLOW

QUICK DISCONNECT MOUNT FOR MUZZLE ATTACHMENTS

AIR GUN WITH COCKING LINKAGE SHOE

AIR GUN WITH BARREL ALIGNMENT WEDGE

AIR GUN WITH ADJUSTABLE TRIGGER MECHANISM

AIR GUN WITH MULTIPLE ENERGY SOURCES