having an additional slidable mass moving in the opposite direction to the piston

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Patents Grantslast 30 patents

Information Patent Grant
External chassis device comprising an internal movable anchoring sy...
- Patent number 11,054,212
- Issue date Jul 6, 2021
- Jose Antonio Dominguez Vazquez
- F41 - WEAPONS
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Device and method of recoil reduction for air guns
- Patent number 10,767,959
- Issue date Sep 8, 2020
- XISICO USA, INC
- Xiaoping Ji
- F41 - WEAPONS
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Backward momentum transferring mechanism for toy gun
- Patent number 8,449,346
- Issue date May 28, 2013
- Tsung-Ming Lee
- F41 - WEAPONS
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Toy rifle backlash vibration structure
- Patent number 8,074,392
- Issue date Dec 13, 2011
- Shih-Che Hu
- F41 - WEAPONS
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Backlash vibration structure for toy rifle
- Patent number 8,056,276
- Issue date Nov 15, 2011
- Shih-Che Hu
- F41 - WEAPONS
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Recoil shock device in toy gun
- Patent number 7,694,448
- Issue date Apr 13, 2010
- Tokyo Marui Co., Ltd.
- Tatsuo Iwasawa
- F41 - WEAPONS
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Recoilless air gun
- Patent number 5,133,331
- Issue date Jul 28, 1992
- Roy Hutchinson
- F41 - WEAPONS
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3233602
- Patent number 3,233,602
- Issue date Feb 8, 1966
- F41 - WEAPONS