Patents by Inventor Hemanth Kondapalli
Hemanth Kondapalli 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: 11953749Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres such that adjacent optical fibre of the plurality of optical fibres is bonded intermittently along the length by a plurality of bonds. The plurality of bonds is defined by a plurality of colours. The plurality of bonds may form a predefined pattern. The predefined pattern may be used for identification of the intermittently bonded optical fibre ribbon.Type: GrantFiled: December 31, 2020Date of Patent: April 9, 2024Assignee: Sterlite Technologies LimitedInventors: Hemanth Kondapalli, Atulkumar Mishra, Akhil Garg
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Patent number: 11693201Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres are bonded intermittently along the length by a plurality of bonded portions spaced apart by a plurality of un-bonded portions. The plurality of bonded portions is defined by a bonded length Li and the plurality of un-bonded portions is defined by an un-bonded length. In addition, at least one of the bonded length Li and the un-bonded length varies along a predefined length of adjacent optical fibres of the plurality of optical fibres.Type: GrantFiled: December 31, 2020Date of Patent: July 4, 2023Assignee: Sterlite Technologies LimitedInventors: Hemanth Kondapalli, Swapnil Sharma, Sharun Kuhar, Aparna Nath, Vikash Shukla, Bhaskar Sarkaar
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Patent number: 11592631Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres has bonded regions and un-bonded regions between adjacent optical fibres of the plurality of optical fibres. The bonded regions have a plurality of bonds. Each bonded region has a bond of the plurality of bonds joining the adjacent optical fibres such that the bond does not cover a top optical fibre region and a bottom optical fibre region of the plurality of optical fibres.Type: GrantFiled: December 31, 2020Date of Patent: February 28, 2023Assignee: Sterlite Technologies LimitedInventors: Hemanth Kondapalli, Kishore Sahoo
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Patent number: 11592633Abstract: A buffer tube for an optical fiber cable provided by the present disclosure includes an optical fiber ribbon stack, a first layer, a second layer, an optical fiber cable, a central strength member, a plurality of buffer tubes, a water blocking layer, and a sheath and plurality of rip cords. The first layer is an inner layer of the buffer tube. The first layer is made of a soft material. The soft material of the first layer is one of low smoke zero halogen, thermoplastic elastomers and thermoplastic polyurethane. The second layer is an outer layer of the buffer tube. The second layer surrounds the first layer. The second layer is made of a hard material. The hard material of the second layer is one of polypropylene, polybutylene terephthalate, and nylon.Type: GrantFiled: February 27, 2020Date of Patent: February 28, 2023Assignee: Sterlite Technologies LimitedInventors: Sravan Kumar, Hemanth Kondapalli, Kishore Chandra Sahoo
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Patent number: 11579387Abstract: The optical fibre ribbon of the present disclosure has one or more base access. The optical fibre ribbon of the present disclosure includes a plurality of optical fibres, a coating layer bonding the plurality of optical fibres, and a slit. The slit in the optical fibre ribbon is made between two optical fibres of the plurality of the optical fibres. The optical fibre ribbon has flat surface on top and corrugated surface in bottom. The optical fibre ribbon has a coating layer that is a layer of matrix material. The coating layer is made of single layer of matrix material.Type: GrantFiled: February 26, 2020Date of Patent: February 14, 2023Assignee: Sterlite Technologies LimitedInventors: Sravan Kumar, Hemanth Kondapalli
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Patent number: 11567283Abstract: The present disclosure provides a method for stacking of a plurality of optical fibre ribbons (106). The plurality of optical fibre ribbons (106) is defined by a top surface (S1) and a bottom surface (S2). The top surface (S1) and bottom surface (S2) are defined by a plurality of elevated regions and a plurality of groove regions. The method for stacking of the plurality of optical fibre ribbons (106) includes arranging the plurality of optical fibre ribbons (106) over each other such that the plurality of elevated regions of each of the plurality of optical fibre ribbons fits over the plurality of groove regions of an adjacent optical fibre ribbon of the plurality of optical fibre ribbons (106). In addition, arrangement of the plurality of optical fibre ribbons forms an optical fibre ribbon stack (200).Type: GrantFiled: February 10, 2020Date of Patent: January 31, 2023Assignee: Sterlite Technologies LimitedInventors: Seldon Benjamin, Kishore Sahoo, Manoj Mittal, Venkatesh Murthy, Sravan Kumar, Hemanth Kondapalli
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Patent number: 11567284Abstract: The method provided by the present disclosure is for performing curing during manufacturing of an optical fibre ribbon. The method of the present disclosure performs a first stage of curing and a second stage of curing 200 on a matrix material of the optical fibre ribbon. The first stage of curing is performed using a ribbon die and one or more ultraviolet light emitting diode (UV LED) units. Further, the second stage of curing is performed using a source of the one or more ultraviolet lamps (UV lamps) in an UV chamber.Type: GrantFiled: February 26, 2020Date of Patent: January 31, 2023Inventors: Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Patent number: 11353673Abstract: Present disclosure provides a method for grouping of a plurality of optical fibers using first coating layer and magnetic coating layer. The method of the present disclosure includes the step of coating of each of the plurality of optical fibers with a first coating layer and the step of coating of each of the plurality of optical fibers with a magnetic coating layer. Further, the method includes the step of applying magnetic field over the plurality of optical fibers for grouping of the plurality of optical fibers in a predefined manner. Furthermore, the first coating layer serves as a shock absorber to protect the plurality of optical fibers from physical damage.Type: GrantFiled: February 26, 2020Date of Patent: June 7, 2022Assignee: STERLITE TECHNOLOGIES LIMITEDInventor: Hemanth Kondapalli
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Patent number: 11300742Abstract: The present disclosure provides an optical fibre ribbon. The optical fibre ribbon includes a plurality of optical fibres bonded with a matrix material. The matrix material is applied along a longitudinal length of the plurality of optical fibres. Further, the plurality of optical fibres is defined by a geometrical centre and diameter. Further, the plurality of optical fibres has a predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres. Moreover, the predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres is less than 200 microns. Further, the optical fibre ribbon provides the optical fibre ribbon cable that is flexible and easy to install in space constraint regions and allows ribbons to bend easily at non-preferential axis. Furthermore, the optical fibre ribbon with reduced weight and with high mass fusion splicing capability.Type: GrantFiled: August 13, 2020Date of Patent: April 12, 2022Assignee: STERLITE TECHNOLOGIES LIMITEDInventors: Sravan Kumar, Kishore Chandra Sahoo, Hemanth Kondapalli, Atul Kumar Mishra, Vikash Shukla
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Patent number: 11156791Abstract: The present disclosure provides a stacking arrangement of an optical fiber ribbon in a buffer tube of an optical fiber cable. The stacking arrangement includes optical fiber ribbon stack, first bendable optical fiber ribbon, second bendable optical fiber ribbon, third bendable optical fiber ribbon, fourth bendable optical fiber ribbon and optical fiber ribbons. The optical fiber ribbon stack includes at least four corners. Each optical fiber at the corresponding four corners of the optical fiber ribbon stack is a bend insensitive optical fiber. One or more optical fibers are placed adjacent to each other at the corresponding four corners of the optical fiber ribbon stack.Type: GrantFiled: February 26, 2020Date of Patent: October 26, 2021Assignee: STERLITE TECHNOLOGIES LIMITEDInventors: Sravan Kumar, Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Publication number: 20210286143Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres such that adjacent optical fibre of the plurality of optical fibres is bonded intermittently along the length by a plurality of bonds. The plurality of bonds is defined by a plurality of colours. The plurality of bonds may form a predefined pattern. The predefined pattern may be used for identification of the intermittently bonded optical fibre ribbon.Type: ApplicationFiled: December 31, 2020Publication date: September 16, 2021Inventors: Hemanth Kondapalli, Atulkumar Mishra, Akhil Garg
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Publication number: 20210278617Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres has bonded regions and un-bonded regions between adjacent optical fibres of the plurality of optical fibres. The bonded regions have a plurality of bonds. Each bonded region has a bond of the plurality of bonds joining the adjacent optical fibres such that the bond does not cover a top optical fibre region and a bottom optical fibre region of the plurality of optical fibres.Type: ApplicationFiled: December 31, 2020Publication date: September 9, 2021Inventors: Hemanth Kondapalli, Kishore Sahoo
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Publication number: 20210271039Abstract: The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres are bonded intermittently along the length by a plurality of bonded portions spaced apart by a plurality of un-bonded portions. The plurality of bonded portions is defined by a bonded length Li and the plurality of un-bonded portions is defined by an un-bonded length. In addition, at least one of the bonded length Li and the un-bonded length varies along a predefined length of adjacent optical fibres of the plurality of optical fibres.Type: ApplicationFiled: December 31, 2020Publication date: September 2, 2021Inventors: Hemanth Kondapalli, Swapnil Sharma, Sharun Kuhar, Aparna Nath, Vikash Shukla, Bhaskar Sarkaar
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Publication number: 20210116659Abstract: The method provided by the present disclosure is for manufacturing an optical fibre ribbon. The method of the present disclosure includes applying a matrix material along a longitudinal length of a plurality of optical fibres. In addition, the plurality of optical fibres is arranged in linear manner Further, the matrix material has uniform thickness. The matrix material is applied throughout circumference of the plurality of optical fibres. The plurality of optical fibres along with the matrix material forms the optical fibre ribbon. Further, the plurality of optical fibres is characterized by a diameter. The diameter of the plurality of optical fibres is in range of about 150 micrometers to 180 micrometers. Each optical fibre of the plurality of optical fibres is colored optical fibre.Type: ApplicationFiled: February 27, 2020Publication date: April 22, 2021Inventors: Sravan Kumar, Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Publication number: 20210116658Abstract: The optical fibre ribbon provided by the present disclosure includes a plurality of optical fibres and a matrix material. In addition, each of the plurality of optical fibres is arranged in a linear array in the optical fibre ribbon. Further, each of the plurality of optical fibres includes a core and a cladding. Furthermore, the matrix material of the optical fibre ribbon acts as a covering for the plurality of optical fibres. Furthermore, the matrix material of the optical fibre ribbon is characterised by thickness.Type: ApplicationFiled: February 27, 2020Publication date: April 22, 2021Inventors: Sravan Kumar, Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Publication number: 20210116657Abstract: The present disclosure provides a stacking arrangement of an optical fiber ribbon in a buffer tube of an optical fiber cable. The stacking arrangement includes optical fiber ribbon stack, first bendable optical fiber ribbon, second bendable optical fiber ribbon, third bendable optical fiber ribbon, fourth bendable optical fiber ribbon and optical fiber ribbons. The optical fiber ribbon stack includes at least four corners. Each optical fiber at the corresponding four corners of the optical fiber ribbon stack is a bend insensitive optical fiber. One or more optical fibers are placed adjacent to each other at the corresponding four corners of the optical fiber ribbon stack.Type: ApplicationFiled: February 26, 2020Publication date: April 22, 2021Inventors: Sravan Kumar, Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Publication number: 20210072475Abstract: A buffer tube for an optical fiber cable provided by the present disclosure includes an optical fiber ribbon stack, a first layer, a second layer, an optical fiber cable, a central strength member, a plurality of buffer tubes, a water blocking layer, and a sheath and plurality of rip cords. The first layer is an inner layer of the buffer tube. The first layer is made of a soft material. The soft material of the first layer is one of low smoke zero halogen, thermoplastic elastomers and thermoplastic polyurethane. The second layer is an outer layer of the buffer tube. The second layer surrounds the first layer. The second layer is made of a hard material. The hard material of the second layer is one of polypropylene, polybutylene terephthalate, and nylon.Type: ApplicationFiled: February 27, 2020Publication date: March 11, 2021Inventors: Sravan Kumar, Hemanth Kondapalli, Kishore Chandra Sahoo
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Publication number: 20210063663Abstract: The method provided by the present disclosure is for performing curing during manufacturing of an optical fibre ribbon. The method of the present disclosure performs a first stage of curing and a second stage of curing 200 on a matrix material of the optical fibre ribbon. The first stage of curing is performed using a ribbon die and one or more ultraviolet light emitting diode (UV LED) units. Further, the second stage of curing is performed using a source of the one or more ultraviolet lamps (UV lamps) in an UV chamber.Type: ApplicationFiled: February 26, 2020Publication date: March 4, 2021Inventors: Hemanth Kondapalli, Vikash Shukla, Atulkumar Mishra, Kishore Chandra Sahoo
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Publication number: 20210063662Abstract: Present disclosure provides a method for grouping of a plurality of optical fibers using first coating layer and magnetic coating layer. The method of the present disclosure includes the step of coating of each of the plurality of optical fibers with a first coating layer and the step of coating of each of the plurality of optical fibers with a magnetic coating layer. Further, the method includes the step of applying magnetic field over the plurality of optical fibers for grouping of the plurality of optical fibers in a predefined manner. Furthermore, the first coating layer serves as a shock absorber to protect the plurality of optical fibers from physical damage.Type: ApplicationFiled: February 26, 2020Publication date: March 4, 2021Inventor: Hemanth Kondapalli
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Publication number: 20210048589Abstract: The present disclosure provides an optical fibre ribbon. The optical fibre ribbon includes a plurality of optical fibres bonded with a matrix material. The matrix material is applied along a longitudinal length of the plurality of optical fibres. Further, the plurality of optical fibres is defined by a geometrical centre and diameter. Further, the plurality of optical fibres has a predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres. Moreover, the predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres is less than 200 microns. Further, the optical fibre ribbon provides the optical fibre ribbon cable that is flexible and easy to install in space constraint regions and allows ribbons to bend easily at non-preferential axis. Furthermore, the optical fibre ribbon with reduced weight and with high mass fusion splicing capability.Type: ApplicationFiled: August 13, 2020Publication date: February 18, 2021Inventors: Sravan Kumar, Kishore Chandra Sahoo, Hemanth Kondapalli, Atul Kumar Mishra, Vikash Shukla