Patents by Inventor John R. Sach
John R. Sach has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12001070Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: GrantFiled: April 26, 2023Date of Patent: June 4, 2024Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Publication number: 20240012216Abstract: An optical cable includes a plurality of buffer tubes and an outer jacket surrounding the plurality of buffer tubes. Each of the plurality of buffer tubes includes a buffer tube jacket surrounding a plurality of flexible ribbons. The buffer tube jacket includes a first deformable material that has undergone deformation during formation of the optical cable to conform to an irregular axial cross-sectional shape of each respective plurality of flexible ribbons. Each flexible ribbon includes a plurality of optical fibers and a first longitudinal length. For each flexible ribbon, each optical fiber of the plurality of optical fibers is attached to an adjacent optical fiber of the plurality of optical fibers along a bond region comprising a second longitudinal length that is less than the first longitudinal length. The cable has a fiber density between about 5.0 and about 10 fibers/mm2.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Inventors: Ben H. Wells, Ehsan Fallahmohammadi, Brian G. Risch, Clint Nicholaus Anderson, John R. Sach, Jeffrey Scott Barker
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Patent number: 11796750Abstract: An optical cable includes a plurality of buffer tubes and an outer jacket surrounding the plurality of buffer tubes. Each of the plurality of buffer tubes includes a buffer tube jacket surrounding a plurality of flexible ribbons. The buffer tube jacket includes a first deformable material that has undergone permanent plastic deformation during formation of the optical cable to conform to an irregular axial cross-sectional shape of each respective plurality of flexible ribbons. Each flexible ribbon includes a plurality of optical fibers and a first longitudinal length. For each flexible ribbon, each optical fiber of the plurality of optical fibers is attached to an adjacent optical fiber of the plurality of optical fibers along a bond region comprising a second longitudinal length that is less than the first longitudinal length.Type: GrantFiled: January 31, 2022Date of Patent: October 24, 2023Assignee: PRYSMIAN S.P.A.Inventors: Ben H. Wells, Ehsan Fallahmohammadi, Brian G. Risch, Clint Nicholaus Anderson, John R. Sach, Jeffrey Scott Barker
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Publication number: 20230266549Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: ApplicationFiled: April 26, 2023Publication date: August 24, 2023Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Patent number: 11656417Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: GrantFiled: February 3, 2022Date of Patent: May 23, 2023Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Publication number: 20230013589Abstract: The present invention relates to an optical fiber ribbon, comprising a plurality of adjacent optical fiber units extending in a longitudinal direction and arranged in parallel forming an optical fiber assembly having a width, each of the optical fiber units comprising either a single fiber or a group of at most three optical fibers, preferably two optical fibers, encapsulated with a matrix material; and a plurality of successive elongated rectilinear beads of a bonding material being arranged along a length of said assembly; each of said plurality of beads being configured to form an elongated bond between two adjacent optical fiber units of the plurality of optical fiber units. The present invention moreover relates to a method of producing such an optical fiber ribbon. A fluorescent tracer is present in the beads.Type: ApplicationFiled: September 29, 2022Publication date: January 19, 2023Inventors: Ehsan Fallahmohammadi, Brian G. Risch, John R. Sach, Jeffrey Scott Barker, Clint Anderson
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Patent number: 11500171Abstract: The present invention relates to an optical fiber ribbon, comprising a plurality of adjacent optical fiber units extending in a longitudinal direction and arranged in parallel forming an optical fiber assembly having a width, each of the optical fiber units comprising either a single fiber or a group of at most three optical fibers, preferably two optical fibers, encapsulated with a matrix material; and a plurality of successive elongated rectilinear beads of a bonding material being arranged along a length of said assembly; each of said plurality of beads being configured to form an elongated bond between two adjacent optical fiber units of the plurality of optical fiber units; wherein a first bead forming a first bond connects a first pair of adjacent optical fiber units while the successive bond formed by the successive bead, connects a further pair of adjacent optical fiber units, wherein at least one optical fiber unit of the further pair differs from the optical fiber units of the first pair; wherein atType: GrantFiled: January 15, 2018Date of Patent: November 15, 2022Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Brian G. Risch, John R. Sach, Jeffrey Scott Barker, Clint Anderson
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Publication number: 20220155540Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: ApplicationFiled: February 3, 2022Publication date: May 19, 2022Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Publication number: 20220155541Abstract: An optical cable includes a plurality of buffer tubes and an outer jacket surrounding the plurality of buffer tubes. Each of the plurality of buffer tubes includes a buffer tube jacket surrounding a plurality of flexible ribbons. The buffer tube jacket includes a first deformable material that has undergone permanent plastic deformation during formation of the optical cable to conform to an irregular axial cross-sectional shape of each respective plurality of flexible ribbons. Each flexible ribbon includes a plurality of optical fibers and a first longitudinal length. For each flexible ribbon, each optical fiber of the plurality of optical fibers is attached to an adjacent optical fiber of the plurality of optical fibers along a bond region comprising a second longitudinal length that is less than the first longitudinal length.Type: ApplicationFiled: January 31, 2022Publication date: May 19, 2022Inventors: Ben H. Wells, Ehsan Fallahmohammadi, Brian G. Risch, Clint Nicholaus Anderson, John R. Sach, Jeffrey Scott Barker
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Patent number: 11262516Abstract: An optical cable includes a plurality of deformable buffer tubes and an outer jacket surrounding the plurality of deformable buffer tubes. Each deformable buffer tube of the plurality of deformable buffer tubes includes a single flexible ribbon including a plurality of optical fibers. Each deformable buffer tube further includes an axial cross-section of the deformable buffer tube that includes the single flexible ribbon. The axial cross-section comprises an irregular shape.Type: GrantFiled: December 7, 2018Date of Patent: March 1, 2022Assignee: PRYSMIAN S.P.A.Inventors: Ben H. Wells, Ehsan Fallahmohammadi, Brian G. Risch, Clint Nicholaus Anderson, John R. Sach, Jeffrey Scott Barker
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Patent number: 11256051Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: GrantFiled: April 23, 2020Date of Patent: February 22, 2022Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Patent number: 11169342Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness includes optical fibers having a sacrificial, outer release layer that facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: GrantFiled: August 20, 2020Date of Patent: November 9, 2021Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker
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Patent number: 11131816Abstract: The invention relates to an optical fiber ribbon assembly comprising* a plurality of adjacent optical fiber ribbons extending in a longitudinal direction and arranged in a plane, each of the optical fiber ribbons comprising a plurality of optical fibers mutually bonded by a matrix material, the fibers extending in the longitudinal direction and arranged in the plane; said plurality of adjacent ribbons forming at least one set of two adjacent ribbons having an interstice between said two adjacent ribbons and * a bonding material, forming intermittent bonds at the interstice between the two adjacent ribbons of a set, thereby bonding the two adjacent ribbons of the set. The invention also relates to a method of producing such an optical fiber ribbon assembly.Type: GrantFiled: July 11, 2017Date of Patent: September 28, 2021Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, John R. Sach, Ben H. Wells
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Publication number: 20210141179Abstract: The invention relates to an optical fiber ribbon assembly comprising* a plurality of adjacent optical fiber ribbons extending in a longitudinal direction and arranged in a plane, each of the optical fiber ribbons comprising a plurality of optical fibers mutually bonded by a matrix material, the fibers extending in the longitudinal direction and arranged in the plane; said plurality of adjacent ribbons forming at least one set of two adjacent ribbons having an interstice between said two adjacent ribbons and * a bonding material, forming intermittent bonds at the interstice between the two adjacent ribbons of a set, thereby bonding the two adjacent ribbons of the set. The invention also relates to a method of producing such an optical fiber ribbon assembly.Type: ApplicationFiled: July 11, 2017Publication date: May 13, 2021Inventors: Ehsan Fallahmohammadi, John R. Sach, Ben H. Wells
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Patent number: 10983297Abstract: The present invention relates to an optical fiber ribbon, comprising a plurality of adjacent optical fiber units extending in a longitudinal direction and arranged in parallel forming an optical fiber assembly having a width, each of the optical fiber units comprising either a single fiber or a group of at most three optical fibers, preferably two optical fibers, encapsulated with a matrix material; and a plurality of successive elongated rectilinear beads of a bonding material being arranged along a length of said assembly; each of said plurality of beads being configured to form an elongated bond between two adjacent optical fiber units of the plurality of optical fiber units; wherein a first bead forming a first bond connects a first pair of adjacent optical fiber units while the successive bond formed by the successive bead, connects a further pair of adjacent optical fiber units, wherein at least one optical fiber unit of the further pair differs from the optical fiber units of the first pair; wherein atType: GrantFiled: July 11, 2017Date of Patent: April 20, 2021Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, John R. Sach, Donald Ray Parris, Ben H. Wells
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Publication number: 20210063664Abstract: The present invention relates to an optical fiber ribbon, comprising a plurality of adjacent optical fiber units extending in a longitudinal direction and arranged in parallel forming an optical fiber assembly having a width, each of the optical fiber units comprising either a single fiber or a group of at most three optical fibers, preferably two optical fibers, encapsulated with a matrix material; and a plurality of successive elongated rectilinear beads of a bonding material being arranged along a length of said assembly; each of said plurality of beads being configured to form an elongated bond between two adjacent optical fiber units of the plurality of optical fiber units; wherein a first bead forming a first bond connects a first pair of adjacent optical fiber units while the successive bond formed by the successive bead, connects a further pair of adjacent optical fiber units, wherein at least one optical fiber unit of the further pair differs from the optical fiber units of the first pair; wherein atType: ApplicationFiled: January 15, 2018Publication date: March 4, 2021Inventors: Ehsan Fallahmohammadi, Brian G. Risch, John R. Sach, Jeffrey Scott Barker, Clint Anderson
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Publication number: 20200386961Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: ApplicationFiled: April 23, 2020Publication date: December 10, 2020Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker, Ryan Truong
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Publication number: 20200379198Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness includes optical fibers having a sacrificial, outer release layer that facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker
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Patent number: 10782495Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness includes optical fibers having a sacrificial, outer release layer that facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.Type: GrantFiled: January 14, 2019Date of Patent: September 22, 2020Assignee: Prysmian S.p.A.Inventors: Ehsan Fallahmohammadi, Clint Nicholaus Anderson, Brian G. Risch, Andrea Terry, John R. Sach, Jeffrey Scott Barker
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Publication number: 20200271879Abstract: The present invention relates to an optical fiber ribbon, comprising a plurality of adjacent optical fiber units extending in a longitudinal direction and arranged in parallel forming an optical fiber assembly having a width, each of the optical fiber units comprising either a single fiber or a group of at most three optical fibers, preferably two optical fibers, encapsulated with a matrix material; and a plurality of successive elongated rectilinear beads of a bonding material being arranged along a length of said assembly; each of said plurality of beads being configured to form an elongated bond between two adjacent optical fiber units of the plurality of optical fiber units; wherein a first bead forming a first bond connects a first pair of adjacent optical fiber units while the successive bond formed by the successive bead, connects a further pair of adjacent optical fiber units, wherein at least one optical fiber unit of the further pair differs from the optical fiber units of the first pair; wherein atType: ApplicationFiled: July 11, 2017Publication date: August 27, 2020Inventors: Ehsan Fallahmohammadi, John R. Sach, Donald Ray Parris, Ben H. Wells