US3385164A - Silencer for small arms - Google Patents

Silencer for small arms Download PDF

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Publication number
US3385164A
US3385164A US548203A US54820366A US3385164A US 3385164 A US3385164 A US 3385164A US 548203 A US548203 A US 548203A US 54820366 A US54820366 A US 54820366A US 3385164 A US3385164 A US 3385164A
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United States
Prior art keywords
silencer
chamber
chambers
casing
gases
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US548203A
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English (en)
Inventor
Walther Karl-Heinz
Siegfried F Hubner
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Carl Walther GmbH
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/30—Silencers

Definitions

  • a firearms silencer comprising a tubular casing with a plurality of partition means therein lto define a number of chambers with a passage therethrough for the projectile and a tube connecting the apertures of the partitions forming the second chamber from the muzzle end of the casing for the passage of the projectile.
  • the present invention relates to a small arms silencer of the type comprising a tubular casing which can be detachably mounted on the muzzle of the Weapon, more particularly, to such a silencer having a plurality of chambers therein with the second chamber from the muzzle end of the silencer having a tube for the passage of the projectile -therethrough and tapered openings in the partition between the first and second -chambers to admit discharged gases into the second chamber.
  • silencers Numerous forms of construction have been incorporated in silencers for small arms in an attempt to achieve effective silencing of the report when the firearm is discharged.
  • One form of silencer includes a tubular sleeve as a large chamber with the end of the sleeve mounted on the muzzle and a plurality of smaller chambers in the other or front end of the sleeve. While this particular silencer structure produces some silencing of the report, the report is still audible to such an extent that this type of silencer cannot be considered to be successful.
  • Another form of silencer includes a number of conical partitions which divide the interior ofthe silencer sleeve into individual chambers with these chambers being surrounded by a large annular chamber.
  • a certain attenuation of the report from the muzzle of the firearm is achieved, but the performance is not satisfactory.
  • the silencer disclosed herein which essentially comprises a tubular casing having partitions therein to divide the casing into three or more chambers.
  • the end walls and partitions of the cas-ing have aligned apertures therein ⁇ for the passage of the projectile through the silencer.
  • Connecting the apertures in the partitions defining the second chamber from the muzzle end of the silencer is a tubular member.
  • Tapered openings are provided in the partition between the first and second chambers for the passage of the discharge gases into the second chamber. These openings are tapered inwardly in the direction from the first to the second chambers.
  • a number of conical partitions nited States Patent ice to divide this chamber into smaller individual chambers.
  • the apices of these conical partitions are directed toward the muzzle end of the silencer and are provided with apertures for the passage of the projectile therethrough.
  • One or both of the conical surfaces may be provided with a series of annular shoulders in yorder to achieve a more favorable dispersion of the sound Waves.
  • the first chamber within the casing is initially filled by the discharge gases which have propelled the projectile from the muzzle of the firearm.
  • the gases expand within the first chamber to the extent permitted by the volume of this chamber.
  • the gases within the first chamber expand through the tapered openings into the second chamber. Only after the projectile has passed through the tubular member in the second chamber and is in the third or successive chambers can .the discharge gases from the ⁇ first chamber enter into the third and successive chambers for expansion. Further, these gases enter the third and successive chambers only through the tubular member.
  • the discharge gases from .the second chamber can fiow back into the first chamber only after a large portion of the movement and energy of the gases has been dissipated. These gases with much of their energy being absorbed, can then fiow through the tubular member to follow lthe path of the projectile.
  • the second chamber thus acts as an absorbing chamber for a part of the discharge gases. The magnitude of the energy which is absorbed depends largely upon the quantity and pressure of the discharged gases within the silencer.
  • FIGURE l is a longitudinal sectional view of the silencer according to the present invention showing schematicaily the silencer structure
  • FIGURE 2 is a longitudinal sectional view through the silencer of FIGURE 1 constructed in accordance with the present invention, and showing construction details;
  • FIGURE 3 is ya plan view of the partition member between the first and second chambers of the silencer of FIG-URE l;
  • FIGURE 4 is a longitudinal sectional View of an insert which can be placed in the third chamber of the silencer according to the present invention for further dividing this chamber into sub-chambers.
  • the silencer of the present invention is generally ind-icated at l() and comprises a tubular sleeve or casing l1l, having a rear wall 12, with an aperture i13 therein which is adapted for being mounted upon the muzzle of -a barrel 14 of a firearm.
  • a partition l5 which, with end wall 12, defines a first chamber i6, with this chamber directly communicating with the muzzle of the firearm.
  • a second chamber 17 which is further limited by an addiional partition 18.
  • a third chamber 19 On the other side of the partition i8 is a third chamber 19.
  • the partition iS which is between the first and second chambers, has a plurality of openings 2G therein which taper inwardly in the direction from the first to the second chambers.
  • the entire length of the second chamber 17 is spanned by a tube 21 which, as can be seen in FIGURE 1, extends between partitions 15 and 18.
  • the tube 21 provides a pas- 3 sage for the projectile and is the sole passage for gases from the first to the third chambers of the silencer.
  • the front or third chamber 19 is further sub-divided by a number of conical partitions 22 into sub'chambers 19a, 19h, and 19e.
  • the apices of the conical partitions 22 are apertured and are directed toward the muzzle end of the silencer and are provided with short tubular sections 23 extending in the direction of the casing rear Wall. These tubular sections 23 are for the passage of the projectile and the discharge gases.
  • the third chamber 19 is closed by the front end wall 24 in which there is an opening 25 for the exit of the projectile and the discharge gases.
  • a tube 26 having outwardly flaring ends is insertde into the exit opening Z5.
  • the openings 2t) in the partition 15 between the first and second casing chambers are preferably arranged at an angle With respect to the central longitudinal axis of the casing along which the projectile travels.
  • FIGURE 3 One form of the openings, but not necessarily the only one, is illustrated in FIGURE 3.
  • the openings in the partition of FIGURE 3 consist of radially extending slots 31 in a plate 32 which are inclined with respect to the central axis of the plate 32.
  • the tubular member passing through the second chamber is indicated in FIGURE 3 as 21. It will be apparent that the inclination of the slots 31 is obtained by the walls of each slot being inclined at different angles. Thus, the gases fiowing through the slots 31 into the second chamber 17 have a certain degree of rotation imparted to them by the slots 31.
  • FIG. URE l The silencer as illustrated and described above in FIG- URE l is largely schematic.
  • the fabrication of such a silencer according to the present invention is illustrated in detail in FIGURE 2.
  • Such a silencer can be fabricated with an outer tubular casing 41 into the rear end of which a disc 42 having a substantial thickness is inserted as a seal-
  • the rear wall 42 thus formed has a threaded opening 43 therethrough to enable the silencer to be screwed onto threads 44 on the front end of a barrel 45 of a firearm.
  • the second chamber 48 of the silencer is formed by a tubular insert 46 which comprises a tube 49 having a disc 50 affixed to one end thereof and a second disc 51 positioned over the other end of the tube.
  • the disc 51 is positioned against one end of a reinforcing sleeve 54 and thus defines the first chamber 47.
  • the disc 51 comprises a plurality of slots 52 such as illustrated in FIGURE 3.
  • the disc 50 is held in position by a reinforcing seam 53 formed in the wall of the tubular casing 41.
  • a reinforcing seam 53 formed in the wall of the tubular casing 41.
  • a third chamber S of the silencer there is defined a third chamber S of the silencer.
  • a plurality of identical inserts 56 are positioned into this chamber from the front of the sleeve 41 with the rear-most insert positioned against a reinforcing seam 57 in the sleeve ⁇ 41.
  • -Each insert 56 comprises a short tubular section 58 positioned against the inner surface of the tubular sleeve 41.
  • the conical wall has a plurality of annular shoulders formed therein.
  • Each apex aperture of the conical portion 59 is provided with a short tubular section 60 Which is aligned with the tubular member 49 of the second chamber to provide a passage for the projectile.
  • the inserts 56 are axially fixed in position since their tubular portions 5S abut against each other.
  • the leading insert S6 is held in position by a front disc or plate 61 which is inserted into the front end of the i tubular casing 41.
  • the front plate 61 has a central opening 62 with its ends outwardly flaring.
  • the rear fiared end has a plurality of annular shoulders therein as indicated at 63.
  • the inserts 56 may be readily punched and stamped from thin walled material. However, it is also possible to fabricate an insert from a block of material by turning such as shown at 71 in FIGURE 4.
  • Insert 71 which is structurally the same as the insert 56 in FIGURE 2, has a conical wall 73 with its inner face 72 being graduated in successive steps formed by turning a plurality of annular shoulders. lt has been found that this step construction on the conical surface provides greatly improved refraction of the sound Waves and materially assists in breaking down and dissipating the gases before they are finally discharged into the atmosphere.
  • inserts such as 56 and 71 can also be fabricated of a conically Wound spring Wire material.
  • the silencer of the present invention effectively reduces the sound of the muzzle report since the major portion of the discharged gases emitted from lthe muzzle of the gun enter the second chamber of the silencer.
  • the energy of these gases is largely dissipated within this chamber because of the turbulence imparted to these gases by the inclined openings in the partition between the first and second chambers. Only after the projectile has passed through the tu'bular member within the second chamber can the discharged gases escape through this tubular member and the third chamber to the atmosphere. However, by this ytime the energy of the discharged gases has been largely dissipated and effective silencing of the muzzle report has occurred.
  • the projectile within this tubular member blocks the discharge of the gases and forces a major portion of the discharge gases to be diverted to the second chamber through the tapered partition openings for dissipation of energy.
  • the silencer according to the present invention not only is effective in operation but simple in construction and can 'be readily fabricated by ordinary manufacturing processes.
  • a silencer for the muzzle end of a firearm comprising a tubular casing with front and rear ends and having an apertured end wall at its rear end adapted for vbeing mounted on the muzzle of a firearm, the front end of said tubular casing having an apertured end wall with an opening therein for the exit of the projectile and discharged gases, apertured partition means Within said tubular casing and having apertures for the passage of the projectile therethrough for dividing the interior of said tubular casing into at least three chambers, a tube spaced from the inner face of said casing connecting the apertures of the partition means forming the second chamber from the rear end of the casing to define a passage for the projectile, the partition means between the first and second chambers from the rear end of the casing having openings therein for the passage of the discharged gases, said open ings being between the inner face of said casing and said connecting tube with each opening tapering inwardly from said first to said second chambers.
  • a silencer as claimed in claim 2 wherein the apices of said conical partitions are directed toward the rear end of said casing, and tubular members extending from said conical partition apertures toward said casing rear end for the passage of the projectile therethrough.
  • a silencer as claimed in claim 2 wherein the apices of said conical partitions are directed toward the rear end of said casing, and a plurality of annular shoulders on the conical partition surfaces directed toward the front end ⁇ of the casing.
  • a silencer as claimed in claim 4 and furthe-r comprising annular shoulders on the conical partition surfaces directed toward the rear end of the casing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
US548203A 1965-05-14 1966-05-06 Silencer for small arms Expired - Lifetime US3385164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW39154A DE1279508B (de) 1965-05-14 1965-05-14 Schalldaempfer fuer Schusswaffen

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US3385164A true US3385164A (en) 1968-05-28

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US548203A Expired - Lifetime US3385164A (en) 1965-05-14 1966-05-06 Silencer for small arms

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US (1) US3385164A (he)
BE (1) BE679438A (he)
CH (1) CH445337A (he)
DE (1) DE1279508B (he)
IL (1) IL25507A (he)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520270A (en) * 1968-05-29 1970-07-14 Outboard Marine Corp Tuned exhaust gas system for outboard motor
DE4231183C1 (de) * 1992-09-17 1994-03-31 Heckler & Koch Gmbh Schalldämpfer für Feuerwaffen
US6308609B1 (en) 1998-12-08 2001-10-30 Robert Bruce Davies Suppressor
US6575074B1 (en) * 2002-07-23 2003-06-10 Joseph D. Gaddini Omega firearms suppressor
US20040173403A1 (en) * 2003-03-08 2004-09-09 Shafer Gordon Scott Suppressor for a paintball marker
US7237467B1 (en) 2004-04-28 2007-07-03 Douglas M. Melton Sound suppressor
US7308967B1 (en) * 2005-11-21 2007-12-18 Gemini Technologies, Inc. Sound suppressor
US20110088540A1 (en) * 2009-08-20 2011-04-21 Advanced Armament Corporation Firearm suppressor booster system
US8087338B1 (en) * 2008-02-01 2012-01-03 Tactical Solutions, Inc. Firearm suppressor with slip and capacitance chambers
US8156676B1 (en) 2009-12-11 2012-04-17 Moody Joseph R Integral weapon rapid deployment monopod
US20120152649A1 (en) * 2010-12-21 2012-06-21 Larue Mark C Suppressor for attachment to firearm barrel
US8292025B1 (en) * 2011-05-03 2012-10-23 Phillip Lynn Woodell Firearm sound suppressor
US8474361B2 (en) 2008-05-05 2013-07-02 Advanced Armament Corp., Llc Process to produce a silencer tube with minimal wall thickness
US8561757B1 (en) 2011-11-28 2013-10-22 Richard A. Edsall Firearm suppressor
US8579075B2 (en) 2008-03-13 2013-11-12 Advanced Armament Corp., Llc Blackout silencer
US20140007481A1 (en) * 2011-01-17 2014-01-09 GTAMO Outdoor, S.L. Method for manufacturing a bull barrel equipped with a silencer and silencer-equipped bull barrel thus obtained
US8857306B1 (en) 2013-07-05 2014-10-14 Richard A. Edsall Firearm suppressor
US8910746B1 (en) 2014-08-25 2014-12-16 Thomas McKenzie Firearm suppressor
US8939057B1 (en) 2013-09-12 2015-01-27 Richard A. Edsall Firearm suppressor
US9038770B1 (en) 2013-06-18 2015-05-26 Robert Scott Morrison Firearm suppressor
US9103618B2 (en) 2013-01-09 2015-08-11 Daniel Defense, Inc. Suppressor assembly for a firearm
US9121656B1 (en) 2014-08-25 2015-09-01 Thomas McKenzie Firearm suppressor adapter system
US20150267987A1 (en) * 2013-05-07 2015-09-24 Flodesign Inc. Sound suppressor
US20150338183A1 (en) * 2014-05-21 2015-11-26 Flodesign, Inc. Sound suppressor
US9261316B2 (en) 2012-01-13 2016-02-16 Gamo Outdoor, S.L. Method for the manufacture of a barrel for compressed air or CO2 rifles and barrel for compressed air or CO2 rifles obtained
US20160061551A1 (en) * 2014-08-28 2016-03-03 Delta P Design, Inc. Firearm suppressor insert retained by encapsulating parent material
US20160209152A1 (en) * 2015-01-16 2016-07-21 Surefire, Llc Laser welded firearm sound suppressors
US9739559B2 (en) * 2015-10-07 2017-08-22 Century International Arms, Inc. Sound suppressor
US9835399B1 (en) * 2015-04-02 2017-12-05 Sig Sauer, Inc. Monocore silencer with integral conical flash hider
USD808490S1 (en) 2016-04-15 2018-01-23 Vista Outdoor Operations Llc Suppressor
US9921020B2 (en) * 2016-06-06 2018-03-20 Gsl Technology, Inc. Sound suppressor with replaceable components
US10030929B1 (en) 2016-03-02 2018-07-24 Sig Sauer, Inc. Integral eccentric firearm silencer
US20190107354A1 (en) * 2017-10-05 2019-04-11 Keith Ernest Alling Firearm Suppressor Baffle
US10648756B2 (en) 2017-05-24 2020-05-12 Sig Sauer, Inc Suppressor assembly
US11162753B2 (en) 2019-05-03 2021-11-02 Sig Sauer, Inc. Suppressor with integral flash hider and reduced gas back flow
US11255623B2 (en) 2019-04-30 2022-02-22 Sig Sauer, Inc. Suppressor with reduced gas back flow and integral flash hider
US11280571B2 (en) 2019-12-23 2022-03-22 Sig Sauer, Inc. Integrated flash hider for small arms suppressors
US20220397361A1 (en) * 2021-06-11 2022-12-15 Smith & Wesson Inc. Expansion-compression baffle
US20220397362A1 (en) * 2021-06-11 2022-12-15 Smith & Wesson Inc. Evacuating entrance chamber via blast baffle
US11585623B2 (en) 2020-07-16 2023-02-21 Michael Borunsky Firearm suppressor baffles and related multi-baffle configurations for increased sound and flash suppression
US11686547B2 (en) 2020-08-12 2023-06-27 Sig Sauer, Inc. Suppressor with reduced gas back flow
US11703303B1 (en) * 2023-03-10 2023-07-18 Polaris Capital Corporation Air gun moderator and multi-layer moderator core
US11859932B1 (en) 2022-06-28 2024-01-02 Sig Sauer, Inc. Machine gun suppressor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO311593B1 (no) 2000-02-15 2001-12-10 Dueland Bent Arild Lyddemper for skytevåpen

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190930240A (en) * 1909-12-28 1910-12-28 Birmingham Small Arms Co Ltd Improvements in Report Silencers for Guns.
US1017003A (en) * 1910-05-16 1912-02-13 Charles H Kenney Silencer for firearms.
US1111202A (en) * 1914-05-07 1914-09-22 Walter E Westfall Silencer construction for firearms.
US1401667A (en) * 1918-08-22 1921-12-27 Charles W Brown Machine-gun
US1874326A (en) * 1929-06-14 1932-08-30 Bell Telephone Labor Inc Sound muffler
US2098617A (en) * 1936-07-14 1937-11-09 Jr Richard M Cutts Spreader tube
FR825016A (fr) * 1936-11-07 1938-02-22 Perfectionnements aux mitrailleuses et autres armes à feu
US2212685A (en) * 1937-03-22 1940-08-27 Milton Roberts Control device for control of recoil
US2348114A (en) * 1939-11-24 1944-05-02 Carrie G Dow Gun stabilizer
US2499428A (en) * 1948-10-08 1950-03-07 Tiffany Belle Muzzle brake
US2872848A (en) * 1954-12-01 1959-02-10 Karl E Schuessler Gun blast suppressor
US2985074A (en) * 1958-03-28 1961-05-23 Musser C Walton Fluted flash hider

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DE108352C (de) * 1899-02-10 1900-02-08 Einrichtung zum verringern des knalles und des ruckstofses bei schufswaffen
AT53440B (de) * 1911-03-29 1912-05-10 Eugene Thurler Knalldämpfungsvorrichtung für Geschütze und Handfeuerwaffen.
AT63617B (de) * 1912-03-18 1914-02-25 Hans Tauscher Schalldämpfer für Feuerwaffen.
BE350952A (he) * 1927-04-29
FR864735A (fr) * 1940-04-10 1941-05-03 Dispositif silencieux et anti-flammes pour armes à feu
FR918658A (fr) * 1945-09-04 1947-02-14 Silencieux pour armes à feu

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190930240A (en) * 1909-12-28 1910-12-28 Birmingham Small Arms Co Ltd Improvements in Report Silencers for Guns.
US1017003A (en) * 1910-05-16 1912-02-13 Charles H Kenney Silencer for firearms.
US1111202A (en) * 1914-05-07 1914-09-22 Walter E Westfall Silencer construction for firearms.
US1401667A (en) * 1918-08-22 1921-12-27 Charles W Brown Machine-gun
US1874326A (en) * 1929-06-14 1932-08-30 Bell Telephone Labor Inc Sound muffler
US2098617A (en) * 1936-07-14 1937-11-09 Jr Richard M Cutts Spreader tube
FR825016A (fr) * 1936-11-07 1938-02-22 Perfectionnements aux mitrailleuses et autres armes à feu
US2212685A (en) * 1937-03-22 1940-08-27 Milton Roberts Control device for control of recoil
US2348114A (en) * 1939-11-24 1944-05-02 Carrie G Dow Gun stabilizer
US2499428A (en) * 1948-10-08 1950-03-07 Tiffany Belle Muzzle brake
US2872848A (en) * 1954-12-01 1959-02-10 Karl E Schuessler Gun blast suppressor
US2985074A (en) * 1958-03-28 1961-05-23 Musser C Walton Fluted flash hider

Cited By (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520270A (en) * 1968-05-29 1970-07-14 Outboard Marine Corp Tuned exhaust gas system for outboard motor
DE4231183C1 (de) * 1992-09-17 1994-03-31 Heckler & Koch Gmbh Schalldämpfer für Feuerwaffen
US6308609B1 (en) 1998-12-08 2001-10-30 Robert Bruce Davies Suppressor
US6575074B1 (en) * 2002-07-23 2003-06-10 Joseph D. Gaddini Omega firearms suppressor
US20040173403A1 (en) * 2003-03-08 2004-09-09 Shafer Gordon Scott Suppressor for a paintball marker
US6848538B2 (en) * 2003-03-08 2005-02-01 Gordon Scott Shafer Suppressor for a paintball marker
US7237467B1 (en) 2004-04-28 2007-07-03 Douglas M. Melton Sound suppressor
US7308967B1 (en) * 2005-11-21 2007-12-18 Gemini Technologies, Inc. Sound suppressor
US8087338B1 (en) * 2008-02-01 2012-01-03 Tactical Solutions, Inc. Firearm suppressor with slip and capacitance chambers
US8505431B2 (en) * 2008-02-01 2013-08-13 Tactical Solutions Firearm suppressor with crossbars and inserts
US8579075B2 (en) 2008-03-13 2013-11-12 Advanced Armament Corp., Llc Blackout silencer
US8474361B2 (en) 2008-05-05 2013-07-02 Advanced Armament Corp., Llc Process to produce a silencer tube with minimal wall thickness
US8424441B2 (en) 2009-08-20 2013-04-23 Advanced Armament Corp. Firearm suppressor booster system
US20110088540A1 (en) * 2009-08-20 2011-04-21 Advanced Armament Corporation Firearm suppressor booster system
US8443538B1 (en) 2009-12-11 2013-05-21 Joseph Moody Integral weapon rapid deployment monopod
US8156676B1 (en) 2009-12-11 2012-04-17 Moody Joseph R Integral weapon rapid deployment monopod
US20120152649A1 (en) * 2010-12-21 2012-06-21 Larue Mark C Suppressor for attachment to firearm barrel
US8511425B2 (en) * 2010-12-21 2013-08-20 Mark C. LaRue Suppressor for attachment to firearm barrel
US20140007481A1 (en) * 2011-01-17 2014-01-09 GTAMO Outdoor, S.L. Method for manufacturing a bull barrel equipped with a silencer and silencer-equipped bull barrel thus obtained
US8857307B2 (en) * 2011-01-17 2014-10-14 Gamo Outdoor, S.L. Method for manufacturing a bull barrel equipped with a silencer and silencer-equipped bull barrel thus obtained
US8292025B1 (en) * 2011-05-03 2012-10-23 Phillip Lynn Woodell Firearm sound suppressor
US8561757B1 (en) 2011-11-28 2013-10-22 Richard A. Edsall Firearm suppressor
US9261316B2 (en) 2012-01-13 2016-02-16 Gamo Outdoor, S.L. Method for the manufacture of a barrel for compressed air or CO2 rifles and barrel for compressed air or CO2 rifles obtained
US9261317B2 (en) 2013-01-09 2016-02-16 Daniel Defense, Inc. Suppressor assembly for a firearm
US9103618B2 (en) 2013-01-09 2015-08-11 Daniel Defense, Inc. Suppressor assembly for a firearm
US9182188B2 (en) * 2013-05-07 2015-11-10 Flodesign, Inc. Sound suppressor
EP2994713A4 (en) * 2013-05-07 2016-12-21 Flodesign Inc MUFFLER
US20150267987A1 (en) * 2013-05-07 2015-09-24 Flodesign Inc. Sound suppressor
US9091502B1 (en) 2013-06-18 2015-07-28 Robert Scott Morrison Light-enhanced firearm suppressor
US9038770B1 (en) 2013-06-18 2015-05-26 Robert Scott Morrison Firearm suppressor
US9115949B1 (en) 2013-06-18 2015-08-25 Robert Scott Morrison Coil-equipped firearm suppressor
US9429380B1 (en) 2013-06-18 2016-08-30 Robert Scott Morrison Firearm suppressor with a heat anodization treatment
US8857306B1 (en) 2013-07-05 2014-10-14 Richard A. Edsall Firearm suppressor
US8939057B1 (en) 2013-09-12 2015-01-27 Richard A. Edsall Firearm suppressor
US20150338183A1 (en) * 2014-05-21 2015-11-26 Flodesign, Inc. Sound suppressor
US9500426B2 (en) * 2014-05-21 2016-11-22 Davinci Arms Llc Sound suppressor
US8910746B1 (en) 2014-08-25 2014-12-16 Thomas McKenzie Firearm suppressor
US9121656B1 (en) 2014-08-25 2015-09-01 Thomas McKenzie Firearm suppressor adapter system
US20160061551A1 (en) * 2014-08-28 2016-03-03 Delta P Design, Inc. Firearm suppressor insert retained by encapsulating parent material
US9702651B2 (en) * 2014-08-28 2017-07-11 Delta P Design, Inc. Firearm suppressor insert retained by encapsulating parent material
US20160209152A1 (en) * 2015-01-16 2016-07-21 Surefire, Llc Laser welded firearm sound suppressors
US10088259B2 (en) * 2015-01-16 2018-10-02 Surefire, Llc Laser welded firearm sound suppressors
US9835399B1 (en) * 2015-04-02 2017-12-05 Sig Sauer, Inc. Monocore silencer with integral conical flash hider
US9739559B2 (en) * 2015-10-07 2017-08-22 Century International Arms, Inc. Sound suppressor
US10030929B1 (en) 2016-03-02 2018-07-24 Sig Sauer, Inc. Integral eccentric firearm silencer
USD808490S1 (en) 2016-04-15 2018-01-23 Vista Outdoor Operations Llc Suppressor
US9921020B2 (en) * 2016-06-06 2018-03-20 Gsl Technology, Inc. Sound suppressor with replaceable components
US10648756B2 (en) 2017-05-24 2020-05-12 Sig Sauer, Inc Suppressor assembly
US20190107354A1 (en) * 2017-10-05 2019-04-11 Keith Ernest Alling Firearm Suppressor Baffle
US11255623B2 (en) 2019-04-30 2022-02-22 Sig Sauer, Inc. Suppressor with reduced gas back flow and integral flash hider
US11162753B2 (en) 2019-05-03 2021-11-02 Sig Sauer, Inc. Suppressor with integral flash hider and reduced gas back flow
US11280571B2 (en) 2019-12-23 2022-03-22 Sig Sauer, Inc. Integrated flash hider for small arms suppressors
US11585623B2 (en) 2020-07-16 2023-02-21 Michael Borunsky Firearm suppressor baffles and related multi-baffle configurations for increased sound and flash suppression
US11686547B2 (en) 2020-08-12 2023-06-27 Sig Sauer, Inc. Suppressor with reduced gas back flow
US20220397361A1 (en) * 2021-06-11 2022-12-15 Smith & Wesson Inc. Expansion-compression baffle
US20220397362A1 (en) * 2021-06-11 2022-12-15 Smith & Wesson Inc. Evacuating entrance chamber via blast baffle
US12018905B2 (en) * 2021-06-11 2024-06-25 Smith & Wesson Inc. Evacuating entrance chamber via blast baffle
US11859932B1 (en) 2022-06-28 2024-01-02 Sig Sauer, Inc. Machine gun suppressor
US11703303B1 (en) * 2023-03-10 2023-07-18 Polaris Capital Corporation Air gun moderator and multi-layer moderator core
US11898817B1 (en) * 2023-03-10 2024-02-13 Polaris Capital Corporation Air gun moderator and multi-layer moderator core

Also Published As

Publication number Publication date
IL25507A (he) 1970-12-24
CH445337A (de) 1967-10-15
BE679438A (he) 1966-09-16
DE1279508B (de) 1968-10-03

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