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Gun forearm

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Publication number
US2965994A
US2965994A US66010357A US2965994A US 2965994 A US2965994 A US 2965994A US 66010357 A US66010357 A US 66010357A US 2965994 A US2965994 A US 2965994A
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Prior art keywords
forearm
member
gun
barrel
annular
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Expired - Lifetime
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George C Sullivan
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George C Sullivan
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/16Forestocks; Handgrips; Hand guards

Description

Dec. 27, 1960 e. c. SULLIVAN GUN FOREARM Filed May 20, 1 957 m m? M by m WM ATTORN a o 0 0 O 0 United States Patent GUN FOREARM George C. Sullivan, 3085 Lake Hollywood Drive, Hollywood 28, Calif.

Filed May 20, 1957, Ser. No. 660,103

9 Claims. (Cl. 42-71) This invention relates to an improved foreend or forearm or hand guard for a gun, more particularly for an automatic weapon.

It has been found that during extended endurance firing tests, a gun barrel can exceed 1,000 F. If equipped with the usual wood forearm, there is the danger that it could burst into flames. If equipped with a metal forearm, it would get too hot to handle. When the temperature of the forearm becomes excessive, either the rifleman cannot hold it or the heat rays given off by the forearm rise and interfere with sighting of the weapon.

Heretofore, such articles have been manufactured usually from high quality wood, mostly selected walnut. The forearms are initially roughened out on a lathe, with the cutter following a template or pattern of the desired shape. The forearm is then finished by conventional wood working and finishing techniques requiring considerable manual labor to produce an exceptionally fine forearm.

It is also known that wood will crack upon exposure to intense heat and in general will not stand up under rough handling. When a gun forearm is made out of wood, the process is both complicated and costly. In addition, the product'sufliers the drawback of having a rather high density and thus contributes materially to the weight of the gun upon which it is used. The finer quality woods are becoming somewhat scarce. Accordingly, it has become an important task to develop a proper substitute, that is easily producible from existing plentiful materials.

This invention fulfills the need that has arisen in this art by providing a novel gun forearm made of more commercially available materials such as plastic materials and especially foamed plastics.

It is, accordingly, a principal object of the present invention to provide a light weight and ruggedly constructed forearm embodying an internal low density core.

It is a further object of this invention to provide a forearm for a gun which is much lighter in weight than forearms known and used.

It is another object of this invention to provide a forearm having cooling vents.

It is a still further object of this invention to provide a forearm which possesses improved thermal insulating properties.

It is an object of this invention to provide a substantial cooling space between the inner surface of the forearm and the gun barrel.

Other objectives and features of the invention will become apparent from the following detailed description of a preferred embodiment of this invention when taken with the appended drawings, in which:

Figure 1 is a view in side elevation partly broken away showing a gun forearm constructed in accordance with the principles of this invention and mounted on a gun barrel;

Figure 2 is a view in top plan partly broken away showing the gun forearm of the present invention; and

2,965,994 Patented Dec. 27, 1960 Figure 3 is a view in cross-section of the organization portrayed in Figure 1 taken along line 33 of Figure l.

The gun forearm as illustrated in Figure 1 is made in generally the same manner as the gun stock in my issued Patent No. 2,753,642.

Referring to the figures in detail, a barrel is shown at 12. This barrel may be made of steel, aluminum or aluminum-steel laminated construction.

Suitable end fittings 31 and 32 hold barrel 12 in place within gun forearm 13. End fitting 31 is an annular spacer member which has radial grooves 23 that extend in an axial direction through member 31 providing spaced projections 22 which locate the barrel 12 within forearm 13 thus providing an annular cooling chamber or space 16 for the circulation of cooling air for the barrel. Member 32 serves as a reinforcing end member for the end of forearm 13 nearest the action (not shown), and is formed with means 33 to mount the end of the forearm on the action of the gun. End fittings 31 and 32 may be of any suitable material but preferably are formed of fiber glass reinforced molded phenolic resin.

Thus in operation, air may enter apertures 23 in member 31 and circulate around barrel l2 and leave the cooling chamber 16 by any of the vents 11, which are provided in an axial direction on the top and bottom of forearm 13. Cooling air may also enter through the lower vents 11. The inner wall of cooling space 16 is defined on the inside by barrel 12 and the outer wall is defined by reflection foil 14. Reflection foil 14, which is preferably about .003 inch thickness of metal foil reflects heat given off by barrel 12 into cooling chamber 16, so that forearm 13 may absorb as little heat as possible. Foil 14 forms the inside surface of the body of forearm 13.

The body of forearm 13 is made of laminated sandwich construction. The outer surface of the body of the forearm 13 is preferably formed by fiber glass molded skin 15 for reinforcing of the structure or for greater strength. Positioned between reflector foil 14 and fiber glass skin 15, is a layer 10 of isocyanate foam for the purpose of thermal insulation. End members 31 and 32 are secured in place and with the laminated sleeve construction form an integral structure. The gun forearm is molded with corrugations 17. corrugations 17 add strength to the forearm and at the same time provide an excellent grip for holding a gun steady while firing.

has been used successfully, it is to be understood that whenever throughout this specification, reference is made to foam plastic or the like, I refer not only to that specific material but to such other materials as may be cellular expanded and yet result in similar qualities.

The use of a foam plastic is particularly advantageous in this application because of its inherent property of being castable in place. The core can be foamed in situ and adhere and bond itself to an exterior skin and surround and adhere to the inner foil layer, thus producing a tough, heat resisting non-porous product.

The physical strength characteristics of the articles of this invention, in its preferred embodiment, are increased considerbly by the fact that the skins and core material are firmly bonded or joined at the interfaces.

What is claimed is:

l. A forearm for mounting on and surrounding a gun barrel comprising an annular member consisting of a laminated construction having inner and outer surface members and a low density, thermal insulating, cellular core member bonded therebetween to form an integral construction, and spacer members integrally formed at the ends of said forearm to radially space said annular member from the barrel.

While an eight pound density isocyanate foam plastic 2. A forearm for mounting on and surrounding a gun barrel comprising an annular member consisting of a laminated construction having inner and outer surface members, said inner member consisting of a metallic sheet and said outer surface member comprising fiber glass reinforced plastic, and a low density, thermal insulating, cellular core member bonded therebetween to form an integral construction, and spacer members integ'rally formed adjacent the ends of said forearm to radially space said annular member from the barrel.

3. A forearm for mounting on and surrounding a gun barrel comprising an annular sleeve member consisting of a laminated construction having a heat-reflecting inner and fiber glass reinforced outer surface members and a low density, thermal insulating, cellular core member bonded therebetween to form an integral construction, and spacer members integrally formed at the ends of said forearm to radially space said annular member from the barrel to form a cooling chamber, said sleeve member having formed therein a plurality of apertures to vent said cooling chamber.

4. A forearm for mounting on and surrounding a gun barrel comprising an annular member including core means of low density, thermal insulating, cellular material, an outer skin attached to said core means and a metal heat reflecting surface attached to the inner surface of said core means, and spacer means attached to spaced portions of said annular member to maintain said annular member radially spaced from a gun barrel when mounted thereon, said annular member and said gun barrel defining a cooling space therebetween.

5. A forearm for mounting on and surrounding a gun barrel, comprising an annular sleeve member consisting of a laminated construction having inner and outer surface members and a low density, thermal insulating, cellular core member bonded therebetween to form an integral construction, and spacer members integrally formed at the ends of said forearm to radially space said annular member from the barrel to form a cooling chamber, said sleeve member formed with a plurality of groups of vent holes for said cooling chamber and said sleeve member having a plurality of grooves extending longitudinally thereof between said groups of vent holes.

6. A forearm for mounting on and surrounding a gun barrel comprising an annular member consisting of a laminated construction having inner and fiber glass reinforcing outer surface members and a low density, thermal insulating, cellular core member bonded therebctween to form an integral construction, and spacer members integrally formed at the ends of said forearm to radially space said annular member from the barrel to form a cooling chamber.

7. A forearm for mounting on and surrounding a gun barrel, comprising an annular member including core means composed of low density, thermal insulating, cellular material, an outer skin secured to said core means, and a metal foil secured to the inner surface of said core means to form an integral laminated construction, and end fittings formed adjacent opposite ends of said annular member to maintain said annular member radially spaced from a gun barrel when mounted thereon, to define a cooling space between said annular member and said gun barrel.

8. The combination of a gun barrel and a forearm hand grip for mounting on and surrounding a gun barrel, comprising an annular member including core means composed of low density, thermal insulating, cellular material, an outer skin secured to said core means, and a metal heat reflecting surface secured to the inner surface of said core means to form an integral laminated construction, and at least one end fitting formed adjacent one end of said annular member to maintain said annular member radially spaced from said gun barrel when mounted thereon, to define a cooling space between said annular member and said gun barrel.

9. The combination of a gun barrel and a forearm hand grip for mounting on and surrounding a gun barrel, comprising an annular sleeve member including core means composed of low density, thermal insulating, cellular material, an inner and outer skin secured to said core means to form an integral laminated construction, spacer means formed adjacent opposite ends of said sleeve member to maintain said sleeve member radially spaced from said gun barrel when mounted thereon, to define a cooling space between said sleeve member and said gun barrel, and vent means formed in said sleeve member to afford cooling air access to said cooling space.

References Cited in the file of this patent UNITED STATES PATENTS 819,551 Johnson May 1, 1906 861,385 Norwood et al July 30, 1907 1,297,240 Pritchett Mar. 11, 1919 1,321,173 Wilson Nov. 11, 1919 1,357,208 Payne Oct. 26, 1920 2,674,822 Studler Apr. 13, 1954 2,753,642 Sullivan July 10, 1956

US2965994A 1957-05-20 1957-05-20 Gun forearm Expired - Lifetime US2965994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2965994A US2965994A (en) 1957-05-20 1957-05-20 Gun forearm

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
NL106200C NL106200C (en) 1957-05-20
NL218612A NL218612A (en) 1957-05-20
BE559092A BE559092A (en) 1957-05-20
US2965994A US2965994A (en) 1957-05-20 1957-05-20 Gun forearm
GB2001157A GB817850A (en) 1957-05-20 1957-06-25 Gun forearm
ES236400A ES236400A1 (en) 1957-05-20 1957-07-06 IMPROVEMENTS IN guards for firearms
DE1957S0054426 DE1125812B (en) 1957-05-20 1957-07-20 Hand protection for a firearm, in particular an automatic firearm
FR1182948A FR1182948A (en) 1957-05-20 1957-09-18 Sleeve hand guard to fire guns and similar weapons

Publications (1)

Publication Number Publication Date
US2965994A true US2965994A (en) 1960-12-27

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ID=24648153

Family Applications (1)

Application Number Title Priority Date Filing Date
US2965994A Expired - Lifetime US2965994A (en) 1957-05-20 1957-05-20 Gun forearm

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US (1) US2965994A (en)
BE (1) BE559092A (en)
DE (1) DE1125812B (en)
ES (1) ES236400A1 (en)
FR (1) FR1182948A (en)
GB (1) GB817850A (en)
NL (2) NL106200C (en)

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075314A (en) * 1959-09-09 1963-01-29 Staatsbedrijf Artillerie Inric Hand guard for rifles
US3090150A (en) * 1960-06-13 1963-05-21 Fairchild Engine & Airplane Hand guard construction
US3118243A (en) * 1964-01-21 Rifled barrel for firearms
US3138992A (en) * 1962-12-12 1964-06-30 Fulton Fastener Corp Thermal protector tube and shield
US3302522A (en) * 1964-10-12 1967-02-07 Laureys Pierre Weapons for firing self-propelled missiles
US3367054A (en) * 1965-02-19 1968-02-06 Rheinmetall Gmbh Hand guard for rifles
US4536982A (en) * 1983-10-21 1985-08-27 Colt Industries Operating Corp. Cylindrical rifle handguard assembly
US4641567A (en) * 1983-05-31 1987-02-10 Ga Technologies Inc. Barrel assembly for electromagnetic rail gun
US4663875A (en) * 1985-12-30 1987-05-12 Colt Industries Inc. Rifle handguard assembly having outer shell with outer and inner liners
US5048215A (en) * 1990-08-30 1991-09-17 Calico Light Weapon Systems Front grip for a firearm
US5062346A (en) * 1988-05-25 1991-11-05 Dansk Industri Syndikat A/S Heat protective covering for a pipe and a rod-shaped article, especially for gun barrels
US5826363A (en) * 1997-07-10 1998-10-27 Knights Armament Company Rail adapter handguard systems for firearms
US6167794B1 (en) * 1998-12-07 2001-01-02 The United States Of America As Represented By The Secretary Of The Army Gun barrel vibration absorber
US6508027B1 (en) 2001-10-02 2003-01-21 Surefire, Llc Accessory mounts for firearms
US6609321B2 (en) 2001-10-16 2003-08-26 First Samco Inc. Forearm handguard for a rifle
US6655069B2 (en) 2001-12-12 2003-12-02 Surefire, Llc Accessory mounts for shotguns and other firearms
US6779288B1 (en) 2003-05-29 2004-08-24 Surefire, Llc Accessory mounts for firearms
US20040226212A1 (en) * 2002-11-04 2004-11-18 Amnon Shiloni Handguard for a rifle
US20050000142A1 (en) * 2003-05-29 2005-01-06 Surefire, Llc Accessory mounts for firearms
US20050183316A1 (en) * 2003-10-17 2005-08-25 S.A.T. Swiss Arms Technology Ag Gun or rifle
US20050188585A1 (en) * 2003-10-03 2005-09-01 Emil Vicate Laminated firearm weapon assembly and method
US20060053673A1 (en) * 2003-03-27 2006-03-16 Johannes Murello Firearms, adapters for firearms and methods for using the same
US20070028907A1 (en) * 2005-07-20 2007-02-08 Hunter's Manufacturing Company, Inc. (Dba Tenpoint Crossbow Technologies) Crossbow grip guard
US20100154768A1 (en) * 2005-07-20 2010-06-24 Hunter's Manufacturing Company, Inc. D/B/A Tenpoint Crossbow Technologies Crossbow Grip Guard
US20100242342A1 (en) * 2006-09-05 2010-09-30 Cerion Technology, Inc. Cerium-containing nanoparticles
US20100269392A1 (en) * 2006-02-08 2010-10-28 Swan Richard E Lower hand guard with heat shield for use with a modular integrated rail system
US20110056123A1 (en) * 2006-09-05 2011-03-10 Cerion Technology, Inc. Method of preparing cerium dioxide nanoparticles
US20110100204A1 (en) * 2007-11-09 2011-05-05 Gert Schlenkert Thermal insulation jacket for a gun barrel
US20110146130A1 (en) * 2009-12-23 2011-06-23 German Sport Guns Gmbh Barrel jacket
US20110179945A1 (en) * 2010-01-26 2011-07-28 Robert Bernard Iredale Clark Gas Operating Systems, Subsystems, Components and Processes
US20150369558A1 (en) * 2014-06-23 2015-12-24 Troy Industries, Inc. Composite Handguard for a Firearm
USD767072S1 (en) 2015-01-28 2016-09-20 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD767073S1 (en) 2015-01-28 2016-09-20 Jamak Fabrication-Tex, Llc Firearm suppressor cover
US20160290761A1 (en) * 2015-04-02 2016-10-06 Lancer Systems L.P. Firearm handguard having heat-reducing features
USD769395S1 (en) 2015-01-28 2016-10-18 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD778387S1 (en) 2015-07-31 2017-02-07 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD778386S1 (en) 2015-07-31 2017-02-07 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD779618S1 (en) 2015-07-31 2017-02-21 Jamak Fabrication-Tex, Llc Firearm suppressor cover
US9658010B1 (en) * 2014-10-13 2017-05-23 Paul Oglesby Heat shielding and thermal venting system
USD788873S1 (en) 2016-01-18 2017-06-06 Jamak Fabrication-Tex Llc Firearm suppressor sleeve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9300559D0 (en) * 1993-01-13 1993-03-03 Secr Defence Rigid thermal sleeve for a gun barrel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US819551A (en) * 1906-01-22 1906-05-01 Winchester Repeating Arms Co Wrought-metal fore-arm for guns.
US861385A (en) * 1907-04-29 1907-07-30 Lacy M Norwood Gun hand-protector.
US1297240A (en) * 1916-12-22 1919-03-11 William H Pritchett Automatic machine-gun.
US1321173A (en) * 1919-11-11 Assiajtob
US1357208A (en) * 1919-05-15 1920-10-26 Auto Ordnance Corp Firearm
US2674822A (en) * 1951-05-03 1954-04-13 Rene R Studler Forearm and handguard protector
US2753642A (en) * 1951-12-10 1956-07-10 George C Sullivan Gun stock of expanded cellular plastic material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE415117C (en) * 1925-06-20 Paul G Ehrhardt Running training for firearms
DE83953C (en) * 1894-11-30 1895-12-06
GB126055A (en) * 1916-11-20 1919-05-08 Moubray Gore Farquhar Improvements in or relating to Automatic Fire Arms.
DE391660C (en) * 1921-04-19 1924-03-08 Johann Anton Fuchs gun barrel
DE632408C (en) * 1934-04-26 1936-07-07 E H Gustav De Grahl Dr Ing Kuehlvorrichtung for Gewehrlaeufe with several Kuehlmaehteln

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1321173A (en) * 1919-11-11 Assiajtob
US819551A (en) * 1906-01-22 1906-05-01 Winchester Repeating Arms Co Wrought-metal fore-arm for guns.
US861385A (en) * 1907-04-29 1907-07-30 Lacy M Norwood Gun hand-protector.
US1297240A (en) * 1916-12-22 1919-03-11 William H Pritchett Automatic machine-gun.
US1357208A (en) * 1919-05-15 1920-10-26 Auto Ordnance Corp Firearm
US2674822A (en) * 1951-05-03 1954-04-13 Rene R Studler Forearm and handguard protector
US2753642A (en) * 1951-12-10 1956-07-10 George C Sullivan Gun stock of expanded cellular plastic material

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118243A (en) * 1964-01-21 Rifled barrel for firearms
US3075314A (en) * 1959-09-09 1963-01-29 Staatsbedrijf Artillerie Inric Hand guard for rifles
US3090150A (en) * 1960-06-13 1963-05-21 Fairchild Engine & Airplane Hand guard construction
US3138992A (en) * 1962-12-12 1964-06-30 Fulton Fastener Corp Thermal protector tube and shield
US3302522A (en) * 1964-10-12 1967-02-07 Laureys Pierre Weapons for firing self-propelled missiles
US3367054A (en) * 1965-02-19 1968-02-06 Rheinmetall Gmbh Hand guard for rifles
US4641567A (en) * 1983-05-31 1987-02-10 Ga Technologies Inc. Barrel assembly for electromagnetic rail gun
US4536982A (en) * 1983-10-21 1985-08-27 Colt Industries Operating Corp. Cylindrical rifle handguard assembly
US4663875A (en) * 1985-12-30 1987-05-12 Colt Industries Inc. Rifle handguard assembly having outer shell with outer and inner liners
US5062346A (en) * 1988-05-25 1991-11-05 Dansk Industri Syndikat A/S Heat protective covering for a pipe and a rod-shaped article, especially for gun barrels
US5048215A (en) * 1990-08-30 1991-09-17 Calico Light Weapon Systems Front grip for a firearm
US5826363A (en) * 1997-07-10 1998-10-27 Knights Armament Company Rail adapter handguard systems for firearms
US6167794B1 (en) * 1998-12-07 2001-01-02 The United States Of America As Represented By The Secretary Of The Army Gun barrel vibration absorber
US6508027B1 (en) 2001-10-02 2003-01-21 Surefire, Llc Accessory mounts for firearms
US6609321B2 (en) 2001-10-16 2003-08-26 First Samco Inc. Forearm handguard for a rifle
US6655069B2 (en) 2001-12-12 2003-12-02 Surefire, Llc Accessory mounts for shotguns and other firearms
US20040226212A1 (en) * 2002-11-04 2004-11-18 Amnon Shiloni Handguard for a rifle
US6836990B2 (en) 2002-11-04 2005-01-04 First Samco, Inc. Handguard for a rifle
US20060053673A1 (en) * 2003-03-27 2006-03-16 Johannes Murello Firearms, adapters for firearms and methods for using the same
US6779288B1 (en) 2003-05-29 2004-08-24 Surefire, Llc Accessory mounts for firearms
US20050000142A1 (en) * 2003-05-29 2005-01-06 Surefire, Llc Accessory mounts for firearms
US6895708B2 (en) 2003-05-29 2005-05-24 Surefire, Llc Accessory mounts for firearms
US20050188585A1 (en) * 2003-10-03 2005-09-01 Emil Vicate Laminated firearm weapon assembly and method
US6964123B2 (en) * 2003-10-03 2005-11-15 Emil Vicale Laminated firearm weapon assembly and method
US20050183316A1 (en) * 2003-10-17 2005-08-25 S.A.T. Swiss Arms Technology Ag Gun or rifle
US8127752B2 (en) 2005-07-20 2012-03-06 Hunter's Manufacturing Company, Inc. Crossbow grip guard
US20100012108A1 (en) * 2005-07-20 2010-01-21 Hunter's Manufacturing Company, Inc. D/B/A Tenpoint Crossbow Technologies Crossbow Grip Guard
US7661418B2 (en) 2005-07-20 2010-02-16 Bednar Richard L Crossbow grip guard
US20070028907A1 (en) * 2005-07-20 2007-02-08 Hunter's Manufacturing Company, Inc. (Dba Tenpoint Crossbow Technologies) Crossbow grip guard
US8220445B2 (en) 2005-07-20 2012-07-17 Hunter's Maunfacturing Company, Inc. Crossbow grip guard
US8141547B2 (en) 2005-07-20 2012-03-27 Hunter's Manufacturing Company, Inc. Crossbow angled grip
US20100154768A1 (en) * 2005-07-20 2010-06-24 Hunter's Manufacturing Company, Inc. D/B/A Tenpoint Crossbow Technologies Crossbow Grip Guard
US20100269392A1 (en) * 2006-02-08 2010-10-28 Swan Richard E Lower hand guard with heat shield for use with a modular integrated rail system
US8883865B2 (en) 2006-09-05 2014-11-11 Cerion Technology, Inc. Cerium-containing nanoparticles
US9340738B2 (en) 2006-09-05 2016-05-17 Cerion, Llc Method of making cerium oxide nanoparticles
US9303223B2 (en) 2006-09-05 2016-04-05 Cerion, Llc Method of making cerium oxide nanoparticles
US20110056123A1 (en) * 2006-09-05 2011-03-10 Cerion Technology, Inc. Method of preparing cerium dioxide nanoparticles
US20100242342A1 (en) * 2006-09-05 2010-09-30 Cerion Technology, Inc. Cerium-containing nanoparticles
US9221032B2 (en) 2006-09-05 2015-12-29 Cerion, Llc Process for making cerium dioxide nanoparticles
US8347773B2 (en) * 2007-11-09 2013-01-08 Rheinmetall Waffe Munition Gmbh Thermal insulation jacket for a gun barrel
US20110100204A1 (en) * 2007-11-09 2011-05-05 Gert Schlenkert Thermal insulation jacket for a gun barrel
US20110146130A1 (en) * 2009-12-23 2011-06-23 German Sport Guns Gmbh Barrel jacket
US8245618B2 (en) * 2009-12-23 2012-08-21 German Sport Guns Gmbh Barrel jacket for a firearm
US20110179945A1 (en) * 2010-01-26 2011-07-28 Robert Bernard Iredale Clark Gas Operating Systems, Subsystems, Components and Processes
US8997622B2 (en) 2010-01-26 2015-04-07 Leitner-Wise Defense, Inc. Gas operating systems, subsystems, components and processes
US8443711B2 (en) 2010-01-26 2013-05-21 Leitner-Wise Defense, Inc. Gas operating systems, subsystems, components and processes
US20150369558A1 (en) * 2014-06-23 2015-12-24 Troy Industries, Inc. Composite Handguard for a Firearm
US9658010B1 (en) * 2014-10-13 2017-05-23 Paul Oglesby Heat shielding and thermal venting system
USD767072S1 (en) 2015-01-28 2016-09-20 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD769395S1 (en) 2015-01-28 2016-10-18 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD767073S1 (en) 2015-01-28 2016-09-20 Jamak Fabrication-Tex, Llc Firearm suppressor cover
US9677845B2 (en) * 2015-04-02 2017-06-13 Lancer Systems L.P. Firearm handguard having heat-reducing features
US20160290761A1 (en) * 2015-04-02 2016-10-06 Lancer Systems L.P. Firearm handguard having heat-reducing features
USD778387S1 (en) 2015-07-31 2017-02-07 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD778386S1 (en) 2015-07-31 2017-02-07 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD779618S1 (en) 2015-07-31 2017-02-21 Jamak Fabrication-Tex, Llc Firearm suppressor cover
USD788873S1 (en) 2016-01-18 2017-06-06 Jamak Fabrication-Tex Llc Firearm suppressor sleeve

Also Published As

Publication number Publication date Type
NL106200C (en) grant
ES236400A1 (en) 1958-02-01 application
DE1125812B (en) 1962-03-15 application
BE559092A (en) grant
NL218612A (en) application
GB817850A (en) 1959-08-06 application
FR1182948A (en) 1959-07-01 grant

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