US20230034435A1 - Sound Barrier Fence Panels - Google Patents
Sound Barrier Fence Panels Download PDFInfo
- Publication number
- US20230034435A1 US20230034435A1 US17/876,167 US202217876167A US2023034435A1 US 20230034435 A1 US20230034435 A1 US 20230034435A1 US 202217876167 A US202217876167 A US 202217876167A US 2023034435 A1 US2023034435 A1 US 2023034435A1
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- United States
- Prior art keywords
- panel
- sound
- sound reduction
- fence
- panels
- Prior art date
- 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.)
- Pending
Links
- 229920002635 polyurethane Polymers 0.000 claims description 14
- 239000004814 polyurethane Substances 0.000 claims description 14
- 239000011162 core material Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229920006327 polystyrene foam Polymers 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000013459 approach Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004795 extruded polystyrene foam Substances 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0011—Plank-like elements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
Definitions
- This invention generally relates to fence panels and, more particularly, to sound barrier fencing.
- Systems and methods consistent with the present invention provide an approach for fencing that is made from panels that are able to attach to a post in such a manner to reflect the sound back towards a business. Further, the panels are constructed such that they have a core encased in a polymer structure. The construction of the panels results in the panels being light enough to be transported to a worksite and erected without heavy equipment. Additionally, the panels are weather and corrosion-resistant. Another benefit is applying decorations to the panels during the construction of the panels, in a suburban setting, making them visually appealing.
- FIG. 1 illustrates a top view of a sound reduction fence with a plurality of panels in accordance with and an example implementation of the invention.
- FIG. 2 illustrates a front view of the sound reduction fence of FIG. 1 in accordance with an example implementation of the invention.
- FIG. 3 illustrates a top view of the makeup of one of a plurality of panels that make up the sound reduction fence in accordance with an example implementation.
- a sound reduction fence comprising a plurality of panels that aid in the reduction of sound transmission in addition to providing a barrier that redirects the sound transmission where the panels meet support members.
- FIG. 1 a top view of the sound reduction fence 100 with a plurality of panels 102 - 110 is illustrated in accordance with and an example implementation of the invention.
- the panels are coupled to support members 112 - 122 .
- Each panel, such as 102 is secured to the support member, such as 114 , on an opposite side to another panel, such as 104 .
- the resulting effect is a zigzag or zipper appearance in the top view of the sound reduction fence 100 .
- FIG. 2 a front view 200 of the sound reduction fence 100 of FIG. 1 is illustrated in accordance with an example implementation.
- stainless steel self-threading screws anchor each panel to the support members or posts.
- adhesives, nails, rivets, bolts, or other fastening technics may be employed to secure the plurality of panels to the support members.
- the posts may be composed of wood, metal, stone, polymer, or concrete. But, in the preferred implementation, a polymer-covered support member of treated wood would be preferred as the wood would be solid enough to support the panels and weather-resistant.
- the panels create areas 124 - 132 in the sound reduction fence 100 that is an angle area that is unbroken along the support member that reflects sound and prevents sounds from bouncing around or through the sound reduction fence.
- the panels 102 - 110 are depicted in FIG. 2 as ending above grade 124 . It is preferable that the panels extend to grade or have the grade increased to prevent a space where sound may pass. With sound unable to pass under the panels and the zigzagging of the panels creates areas enclosed on three sides 124 - 132 in the sound reduction fence 100 that is an angle area that is unbroken along the support members 112 - 122 that reflects sound and prevents sounds from bouncing around or through the sound reduction fence.
- An advantage of this approach is each panel has a maximum horizontal area on the support member, such as 114 , engaged with one of the faces of a panel 102 . This approach also has the advantage of increasing the structural stability of the support members, such as 114 , with an “I” type structure when two panels 102 and 104 are secured to the support panel.
- FIG. 3 a top view 300 of the makeup of one of a plurality of panels 114 that make up the sound reduction fence 100 of FIG. 1 is illustrated in accordance with an example implementation.
- a rectangle metal frame 302 is formed in the shape of a panel.
- the metal frame 302 may be composed of welded members. Other materials may be used for the frame in other implementations, such as wood, polymer members, or a combination of materials.
- An extruded polystyrene foam 304 such as a polystyrene sound deadening foam, is applied between the metal frame 302 .
- the area between the metal frame 302 is filled with sound deadening core material.
- the width of the frame is preferably the width of the polystyrene foam.
- the preferred sizes are 11 ⁇ 2′′, 2′′, and 21 ⁇ 2.′′ But, sound reducing panel material would be available in various thicknesses, and sound reducing requirements would determine what thickness would be needed.
- the polystyrene foam may encase the fully or partially the metal frame 302 .
- the frame assembly (metal frame 302 and polystyrene foam 304 ) is then covered in a weatherproof molded polyurethane outer cover 306 .
- all six sides of a panel are covered with the polyurethane cover.
- the thickness of the polyurethane covering is 1 ⁇ 4′′ in the preferred implementations, but thicker coverings may be used to increase durability.
- the panels' preferred sizes are 10 ⁇ 10, 10 ⁇ 15, 10 ⁇ 20, and 10 ⁇ 25 feet.
- a decoration or ornamental design may be molded into the polyurethane cover.
- the advantage of molding in the decorative design is there are no fasteners or cracks for water penetration.
- the sound reduction fence is composed of lighter weight panels than other approaches, sealed against weather penetration, assembled to create a fence that prevents sound ways from passing around fence elements and reflects sounds.
- a sound barrier fence panel has been described that has frame filled in with sound deadening core material and polyurethane outer cover that encases the frame and sound deadening core material.
- the sound deadening core material is sound deadening polystyrene foam in the current implementation. In other implementations, other sound deadening core material may be used as long as it is suitable for being encased by polyurethane.
- the polyurethane outer cover of the sound barrier fence panel has a decorative element that may be seamlessly integral with the polyurethane outer cover. For example, the decorative element is molded into the polyurethane outer cover.
- the frame of the sound barrier fence panel may be a metal frame. For example, steel, iron, or aluminum
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
A sound barrier fence is adapted to reduce the noise level between industrial or business properties and dwellings that use a sound deadening core of fence panels and placement of the panels in a fence to reduce sound transmission.
Description
- This invention generally relates to fence panels and, more particularly, to sound barrier fencing.
- This invention claims priority to U.S. Provisional Application, Ser. No. 63/226,612, titled “Sound Barrier Fence Panels,” filed on Jul. 28, 2021, incorporated by reference herein.
- As businesses push closer to homes in suburban America, noise has become an increasing problem. Traditionally, it was vehicle noise that created issues with homeowners. But, as business, such as fast-food establishments, are built next to homes, speaker noise from drive-thru ordering kiosks are becoming more of an issue than the vehicle noise. Attempts to reduce vehicle noise have occurred along highways and expressways. However, these approaches often required concrete walls that had filling material added during the placement of the walls. See U.S. Pat. No. 4,674,593. The size, weight, cost, and construction requirements typically made these walls unsuitable for use between buildings in the suburbia.
- Further, traditional fencing is commonly used along with or in place of landscaping to screen or hide a business from homes. But such approaches do little if anything to reduce the amount of noise from reaching the homes.
- Therefore, there is a need for methods and systems for creating and installing fencing that visually appeal in a suburban setting while reducing and redirecting sounds away from homes and other non-business locations.
- Systems and methods consistent with the present invention provide an approach for fencing that is made from panels that are able to attach to a post in such a manner to reflect the sound back towards a business. Further, the panels are constructed such that they have a core encased in a polymer structure. The construction of the panels results in the panels being light enough to be transported to a worksite and erected without heavy equipment. Additionally, the panels are weather and corrosion-resistant. Another benefit is applying decorations to the panels during the construction of the panels, in a suburban setting, making them visually appealing.
- Other methods, features, and advantages of the invention will become apparent to one with skill in the art upon examination of the following figures and detailed description. It is intended that all such additional methods, features, and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims.
- The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. In the figures, like reference numerals designate corresponding parts throughout the different views.
-
FIG. 1 illustrates a top view of a sound reduction fence with a plurality of panels in accordance with and an example implementation of the invention. -
FIG. 2 illustrates a front view of the sound reduction fence ofFIG. 1 in accordance with an example implementation of the invention. -
FIG. 3 illustrates a top view of the makeup of one of a plurality of panels that make up the sound reduction fence in accordance with an example implementation. - Unlike the known approaches previously discussed, a sound reduction fence is described comprising a plurality of panels that aid in the reduction of sound transmission in addition to providing a barrier that redirects the sound transmission where the panels meet support members. In
FIG. 1 , a top view of the sound reduction fence 100 with a plurality of panels 102-110 is illustrated in accordance with and an example implementation of the invention. The panels are coupled to support members 112-122. Each panel, such as 102, is secured to the support member, such as 114, on an opposite side to another panel, such as 104. The resulting effect is a zigzag or zipper appearance in the top view of the sound reduction fence 100. - Turning to
FIG. 2 , a front view 200 of the sound reduction fence 100 ofFIG. 1 is illustrated in accordance with an example implementation. In the current implementation, stainless steel self-threading screws anchor each panel to the support members or posts. In other implementations, adhesives, nails, rivets, bolts, or other fastening technics may be employed to secure the plurality of panels to the support members. The posts may be composed of wood, metal, stone, polymer, or concrete. But, in the preferred implementation, a polymer-covered support member of treated wood would be preferred as the wood would be solid enough to support the panels and weather-resistant. The panels create areas 124-132 in the sound reduction fence 100 that is an angle area that is unbroken along the support member that reflects sound and prevents sounds from bouncing around or through the sound reduction fence. - The panels 102-110 are depicted in
FIG. 2 as ending abovegrade 124. It is preferable that the panels extend to grade or have the grade increased to prevent a space where sound may pass. With sound unable to pass under the panels and the zigzagging of the panels creates areas enclosed on three sides 124-132 in the sound reduction fence 100 that is an angle area that is unbroken along the support members 112-122 that reflects sound and prevents sounds from bouncing around or through the sound reduction fence. An advantage of this approach is each panel has a maximum horizontal area on the support member, such as 114, engaged with one of the faces of apanel 102. This approach also has the advantage of increasing the structural stability of the support members, such as 114, with an “I” type structure when twopanels - In
FIG. 3 , atop view 300 of the makeup of one of a plurality of panels 114 that make up the sound reduction fence 100 ofFIG. 1 is illustrated in accordance with an example implementation. Arectangle metal frame 302 is formed in the shape of a panel. Themetal frame 302 may be composed of welded members. Other materials may be used for the frame in other implementations, such as wood, polymer members, or a combination of materials. Anextruded polystyrene foam 304, such as a polystyrene sound deadening foam, is applied between themetal frame 302. The area between themetal frame 302 is filled with sound deadening core material. The width of the frame is preferably the width of the polystyrene foam. The preferred sizes are 1½″, 2″, and 2½.″ But, sound reducing panel material would be available in various thicknesses, and sound reducing requirements would determine what thickness would be needed. In some implementations, the polystyrene foam may encase the fully or partially themetal frame 302. The frame assembly (metal frame 302 and polystyrene foam 304) is then covered in a weatherproof molded polyurethaneouter cover 306. In the preferred implementation, all six sides of a panel are covered with the polyurethane cover. The thickness of the polyurethane covering is ¼″ in the preferred implementations, but thicker coverings may be used to increase durability. The panels' preferred sizes are 10×10, 10×15, 10×20, and 10×25 feet. - A decoration or ornamental design may be molded into the polyurethane cover. The advantage of molding in the decorative design is there are no fasteners or cracks for water penetration. In summary, the sound reduction fence is composed of lighter weight panels than other approaches, sealed against weather penetration, assembled to create a fence that prevents sound ways from passing around fence elements and reflects sounds.
- A sound barrier fence panel has been described that has frame filled in with sound deadening core material and polyurethane outer cover that encases the frame and sound deadening core material. The sound deadening core material is sound deadening polystyrene foam in the current implementation. In other implementations, other sound deadening core material may be used as long as it is suitable for being encased by polyurethane. The polyurethane outer cover of the sound barrier fence panel has a decorative element that may be seamlessly integral with the polyurethane outer cover. For example, the decorative element is molded into the polyurethane outer cover. The frame of the sound barrier fence panel may be a metal frame. For example, steel, iron, or aluminum
- The foregoing description of an implementation has been presented for purposes of illustration and description. It is not exhaustive and does not limit the claimed inventions to the precise form disclosed. Modifications and variations are possible in light of the above description or may be acquired from practicing the invention. The claims and their equivalents define the scope of the invention.
Claims (14)
1. A sound reduction fence, comprising:
a plurality of panels, where each panel has a frame with extruded polystyrene that is enclosed in a weatherproof enclosure; and
a support member having a first support side and a second support side, where a first panel of the plurality of panels is coupled to the first support side and a second panel of the plurality of panels is coupled to the second support side, and the first support side is on an opposite side of the second support side.
2. The sound reduction fence of claim 1 , wherein the support member, the first panel, and the second panel define a space enclosed on three sides.
3. The sound reduction fence of claim 1 , wherein the first panel overhangs the first support side of the support member and the second panel overhangs the second support side of the support member.
4. The sound reduction fence of claim 1 , wherein at least the first panel has a first panel side that has an integrated design element.
5. The sound reduction fence of claim 4 , wherein the integrated design element is molded into the first panel side.
6. The sound reduction fence of claim 1 , wherein the first panel has a sound deadening core material.
7. The sound reduction fence of claim 1 , wherein the first panel has a polyurethane outer cover.
8. The sound reduction fence of claim 1 , wherein the first panel has a metal frame filled with sound deadening core material and encased in polyurethane.
9. A sound reduction fence panel, comprising:
a frame;
sound deadening core material; and
polyurethane outer cover that encases the frame and sound deadening core material.
10. The sound reduction fence panel of claim 9 , wherein the sound deadening core material is sound deadening polystyrene foam.
11. The sound reduction fence panel of claim 9 , wherein the polyurethane outer cover has a decorative element.
12. The sound reduction fence panel of claim 11 wherein the decorative element is seamlessly integrated with the polyurethane outer cover.
13. The sound reduction fence panel of claim 9 , wherein the frame is a metal frame.
14. The sound reduction fence panel of claim 13 , wherein the frame is aluminum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/876,167 US20230034435A1 (en) | 2021-07-28 | 2022-07-28 | Sound Barrier Fence Panels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US202163226612P | 2021-07-28 | 2021-07-28 | |
US17/876,167 US20230034435A1 (en) | 2021-07-28 | 2022-07-28 | Sound Barrier Fence Panels |
Publications (1)
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US20230034435A1 true US20230034435A1 (en) | 2023-02-02 |
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ID=85037316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17/876,167 Pending US20230034435A1 (en) | 2021-07-28 | 2022-07-28 | Sound Barrier Fence Panels |
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US (1) | US20230034435A1 (en) |
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US4194329A (en) * | 1976-01-20 | 1980-03-25 | Wendt Alan C | Sound absorbing panels |
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US7478797B2 (en) * | 2005-10-21 | 2009-01-20 | Mfs, Llc | Molded decorative fence panel |
KR20120035697A (en) * | 2010-10-06 | 2012-04-16 | 이중근 | Soundproofing wall |
US20130180799A1 (en) * | 2010-08-06 | 2013-07-18 | Urbantech S.R.L. | Supporting structure for an anti-noise barrier wherein foundations and lifting post are realized in a single element and relative assembly method |
US8701582B2 (en) * | 2011-07-21 | 2014-04-22 | Dow Global Technologies Llc | Floating dock system |
US8789329B2 (en) * | 2010-04-26 | 2014-07-29 | Marius Radoane | NP-EIFS non-permissive exterior insulation and finish systems concept technology and details |
US8955281B2 (en) * | 1998-11-12 | 2015-02-17 | Certainteed Corporation | Exterior building material having a hollow thin wall profile and an embossed low gloss surface |
US20180038097A1 (en) * | 2016-07-20 | 2018-02-08 | Joab Jay Perdue | Sound Absorbing Panel |
US10378273B2 (en) * | 2015-07-24 | 2019-08-13 | Nan Ya Plastics Corporation | Soundproof door for use in reduction of sound transmitted from one side of the door to the other side |
US11369066B2 (en) * | 2019-07-09 | 2022-06-28 | Darryl Stimpson | Sound attenuation device |
-
2022
- 2022-07-28 US US17/876,167 patent/US20230034435A1/en active Pending
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US3948347A (en) * | 1974-11-25 | 1976-04-06 | Gallagher-Kaiser Corporation | Acoustical panel |
US4194329A (en) * | 1976-01-20 | 1980-03-25 | Wendt Alan C | Sound absorbing panels |
US4120376A (en) * | 1976-11-08 | 1978-10-17 | Palmer Charles E | Noise control enclosure |
US4146999A (en) * | 1977-06-10 | 1979-04-03 | Petrovec David C | Acoustical panel with rigidified edges |
US4566558A (en) * | 1985-02-21 | 1986-01-28 | Marine Systems, Inc. | Noise barrier |
US4674593A (en) * | 1985-04-02 | 1987-06-23 | Mccarty Danny W | Sound barrier fence |
US4949518A (en) * | 1986-06-06 | 1990-08-21 | Westinghouse Electric Corp. | Space-dividing wall panel |
GB2199353A (en) * | 1987-01-05 | 1988-07-06 | Ashelwood Prod Pty | Acoustically insulated room divider with ducts and method of manufacture |
US5022781A (en) * | 1989-12-18 | 1991-06-11 | Smith Timothy S | Anti-glare modules adaptable to highway median barriers |
US5009043A (en) * | 1990-07-12 | 1991-04-23 | Herman Miller, Inc. | Acoustic panel |
US5400563A (en) * | 1991-03-26 | 1995-03-28 | Marylyn House | Combination column and panel barrier system and method of construction |
US5483778A (en) * | 1991-04-03 | 1996-01-16 | Scrivener; Paul | Modular panel system having a releasable tongue member |
US5272284A (en) * | 1991-07-10 | 1993-12-21 | Carsonite International Corp. | Sound barrier |
US5324469A (en) * | 1992-08-26 | 1994-06-28 | Insul Holz-Beton Systems, Inc. | Method of making single wood concrete layer sound absorption panel |
US5424497A (en) * | 1994-01-25 | 1995-06-13 | California Prison Industry Authority | Sound absorbing wall panel |
US5965852A (en) * | 1998-05-14 | 1999-10-12 | The Texas A&M University System | Roadway soundwall and sound-reducing modules used therein |
US5984044A (en) * | 1998-07-31 | 1999-11-16 | Christensen; Arthur E. | Acoustical barrier wall with protective sleeves and method of assembly |
US8955281B2 (en) * | 1998-11-12 | 2015-02-17 | Certainteed Corporation | Exterior building material having a hollow thin wall profile and an embossed low gloss surface |
US6789645B1 (en) * | 1999-06-09 | 2004-09-14 | The Dow Chemical Company | Sound-insulating sandwich element |
US20020129574A1 (en) * | 2001-02-09 | 2002-09-19 | Newhouse Thomas J. | Wall panel system |
US7343715B2 (en) * | 2001-05-17 | 2008-03-18 | Toray Industries, Inc. | Sound-proof wall made of FRP, and method of producing the same |
US7063184B1 (en) * | 2002-06-12 | 2006-06-20 | Lahnie Johnson | Sound reducing panel |
US20050178613A1 (en) * | 2004-02-12 | 2005-08-18 | Cyro Industries, A Company Of The State Of New Jersey | Panel assembly for traffic noise barrier wall |
JP2006169734A (en) * | 2004-12-13 | 2006-06-29 | Misawa Homes Co Ltd | Sound isolation panel |
US7478797B2 (en) * | 2005-10-21 | 2009-01-20 | Mfs, Llc | Molded decorative fence panel |
US8789329B2 (en) * | 2010-04-26 | 2014-07-29 | Marius Radoane | NP-EIFS non-permissive exterior insulation and finish systems concept technology and details |
US20130180799A1 (en) * | 2010-08-06 | 2013-07-18 | Urbantech S.R.L. | Supporting structure for an anti-noise barrier wherein foundations and lifting post are realized in a single element and relative assembly method |
KR20120035697A (en) * | 2010-10-06 | 2012-04-16 | 이중근 | Soundproofing wall |
US8701582B2 (en) * | 2011-07-21 | 2014-04-22 | Dow Global Technologies Llc | Floating dock system |
US10378273B2 (en) * | 2015-07-24 | 2019-08-13 | Nan Ya Plastics Corporation | Soundproof door for use in reduction of sound transmitted from one side of the door to the other side |
US20180038097A1 (en) * | 2016-07-20 | 2018-02-08 | Joab Jay Perdue | Sound Absorbing Panel |
US11369066B2 (en) * | 2019-07-09 | 2022-06-28 | Darryl Stimpson | Sound attenuation device |
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