Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2005-08-02
2005-08-02
Tanner, Harry B. (Department: 3744)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C089S014400
Reexamination Certificate
active
06923292
ABSTRACT:
Our invention describes a muzzle or exit exhaust attachment for firearms or other thermodynamic heat engine jetting devices and incorporates magnetic field diversion design features not previously utilized to increase efficiency in the reduction of noise, flash, barrel whip, exhaust flame temperature and muzzle blast effect. Our invention advantageously applies relatively recent discoveries in the field of ballistic studies; know as transition ballistics, and mitigates the high velocity, high pressure exhaust gasses from the instant of existence through decline to atmospheric pressure with greater efficiency than prior art devices such as, silencers, suppressors, mufflers and sound absorber attachments.
REFERENCES:
patent: 2101850 (1937-12-01), Green
patent: 2351037 (1944-06-01), Green
patent: 2503491 (1950-04-01), Janz
patent: 4024790 (1977-05-01), Heiderer
patent: 4939977 (1990-07-01), Stroup
patent: 6385891 (2002-05-01), Rabatin
Serrano JeanMarie Evangeline
Woods Robert James
Law Offices of Karla Shippey
Shippey Michael A.
Tanner Harry B.
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