Patents by Inventor George Han
George Han 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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Publication number: 20250135734Abstract: A system and method for molding a fiber reinforced composite part are disclosed. The system includes a mold with electrical contacts that make electrical contact with at least one monitoring circuit incorporated in a fiber preform disposed in the mold so that the resistance of the monitoring circuit can be monitored as resin fills the mold cavity and envelopes the preform. The method includes monitoring the resistance of at least one monitoring circuit incorporated into a fiber preform disposed in a mold to determine the location of the resin flow front as resin is injected into the mold and surrounds the fiber preform.Type: ApplicationFiled: October 26, 2023Publication date: May 1, 2025Inventors: Selina Xinyue Zhao, Venkateshwar R. Aitharaju, George Han, Colin Rowbottom
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Patent number: 12275204Abstract: A method for fabricating a composite panel comprising stitching a plurality of first continuous reinforcing fibers in N first zones and M second zones of a backing substrate of a preform. The N first zones are arranged near C corners of the composite panel, where C is an integer. The plurality of first continuous reinforcing fibers in the N first zones is arranged radially relative to the C corners. At least one of a fiber density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a fiber density of the plurality of first continuous reinforcing fibers in the M second zones, and a stitch density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a stitch density of the plurality of first continuous reinforcing fibers in the M second zones.Type: GrantFiled: May 23, 2023Date of Patent: April 15, 2025Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, COATS AMERICAN INCInventors: Venkateshwar R. Aitharaju, Selina Xinyue Zhao, George Han, Colin Rowbottom
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Publication number: 20240391187Abstract: A method for fabricating a composite panel comprising stitching a plurality of first continuous reinforcing fibers in N first zones and M second zones of a backing substrate of a preform. The N first zones are arranged near C corners of the composite panel, where C is an integer. The plurality of first continuous reinforcing fibers in the N first zones is arranged radially relative to the C corners. At least one of a fiber density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a fiber density of the plurality of first continuous reinforcing fibers in the M second zones, and a stitch density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a stitch density of the plurality of first continuous reinforcing fibers in the M second zones.Type: ApplicationFiled: May 23, 2023Publication date: November 28, 2024Inventors: Venkateshwar R. AITHARAJU, Selina Xinyue Zhao, George Han, Colin Rowbottom
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Publication number: 20240017685Abstract: A form for a vehicle component is provided that includes a commingled fiber bundle composed of a reinforcement fiber. The commingled fiber bundle is laid out in a two-dimensional base layer that defines a shape of the form. A conductive fiber or wire laid in a pattern on the two-dimensional base layer to provide electrical continuity across the form. At least one conductive contact or pad area is built up with overlying layers of the conductive fiber or wire on said two-dimensional base layer. A successive layer is added to embed the conductive fiber or wire and at least one conductive contact or pad area. A conductive fastener is inserted into through hole apertures therein. The conductive fastener is in electrical communication with the corresponding conductive contact or pad area. A method of forming a unitary reinforced composite component is also provided.Type: ApplicationFiled: July 18, 2023Publication date: January 18, 2024Applicant: J. & P. COATS, LIMITEDInventors: George Han, Cem Altintas, Colin Rowbottom
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Patent number: 11787087Abstract: A two dimensional unitary preform sheet including a substrate and a fiber bundle arranged on the substrate and attached to the substrate by a plurality of stitches of a thread, which may be a thermoplastic thread. The two dimensional unitary preform sheet is configurable into a three dimensional preform. According to embodiments, the fiber bundle includes carbon fibers, glass fibers, aramid fibers, or a combination thereof. According to embodiments, the two dimensional unitary preform sheet is cut in a pattern that is foldable into the three dimensional preform. A method for making a three dimensional preform is also provided, which includes forming a two dimensional unitary preform sheet and placing the two dimensional unitary preform in a press to bend the two dimensional unitary preform into the shape of the three dimensional preform.Type: GrantFiled: March 24, 2021Date of Patent: October 17, 2023Assignee: J. & P. Coats LimitedInventors: Probir Kumar Guha, George Han
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Publication number: 20230122153Abstract: A fiber preform for use in an overmolding process is provide that includes a fiber bundle arranged in a predetermined pattern and attached to itself with thread stitches to form at least one preform layer. At least one intumescent material is associated with the at least one preform layer. A vehicle component having fire resistant characteristics is also provided that includes a housing having a first side and a second side. The housing has a shape that defines the vehicle component. An intumescent material is provided on at least one of the first side and the second side of the housing.Type: ApplicationFiled: October 17, 2022Publication date: April 20, 2023Applicant: J. & P. COATS, LIMITEDInventors: Probir Kumar Guha, George Han, Pradipkumar Bahukudumbi, John Ilkka
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Publication number: 20220388210Abstract: A fiber preform is provided for use in an overmolding process that includes a fiber bundle arranged in a predetermined pattern and attached to itself by a plurality of stitches of a thread to form at least one preform layer. At least one positioning element is associated with the at least one preform layer, the at least one positioning element configured to engage with at least one corresponding alignment element on a mold to indicate proper positioning of the fiber preform within the mold. A process of overmolding is also provided in which the at least one positioning element of the fiber preform engages with the at least one corresponding alignment element on the mold to indicate proper positioning. The mold cavity is then filled with a resin to permeate the fiber preform engaging the mold in a unique orientation to yield an article upon resin cure.Type: ApplicationFiled: June 2, 2022Publication date: December 8, 2022Applicant: J. & P. COATS LIMITEDInventors: Probir Kumar Guha, George Han
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Publication number: 20220305693Abstract: A two dimensional unitary preform sheet including a substrate and a fiber bundle arranged on the substrate and attached to the substrate by a plurality of stitches of a thread, which may be a thermoplastic thread. The two dimensional unitary preform sheet is configurable into a three dimensional preform. According to embodiments, the fiber bundle includes carbon fibers, glass fibers, aramid fibers, or a combination thereof. According to embodiments, the two dimensional unitary preform sheet is cut in a pattern that is foldable into the three dimensional preform. A method for making a three dimensional preform is also provided, which includes forming a two dimensional unitary preform sheet and placing the two dimensional unitary preform in a press to bend the two dimensional unitary preform into the shape of the three dimensional preform.Type: ApplicationFiled: March 24, 2021Publication date: September 29, 2022Applicant: COATS & CLARK, INC.Inventors: Probir Kumar Guha, George Han
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Publication number: 20210402719Abstract: A form for a vehicle component including a commingled fiber bundle laid out in a two-dimensional base layer that defines a shape of the form, a successive layer formed with the commingled fiber bundle in contact with the two-dimensional layer, and at least one of electrical conductive wiring, sensor, light emitting diode (LED), antenna, radio frequency identification chip, or a printed circuit board stitched to the successive layer. The comingled fiber bundle is composed of a reinforcement fiber being glass fibers, aramid fibers, carbon fibers, or a combination thereof.Type: ApplicationFiled: November 13, 2019Publication date: December 30, 2021Applicant: J&P COATS LIMITEDInventors: Probir Kumar Guha, George Han, Todd Pool
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Patent number: 10820127Abstract: The present invention relates to a dome (10) for use with a receiver assembly (20). The dome (10) comprises a core (12) and a shell (14), wherein the core (12) and the shell (14) are made of different materials, the material of the core (12) is rigid and the material of the shell (14) is soft, and wherein the dome (10) is connectable to the receiver assembly (20) by means of a threaded connection (34). Therefore, connecting and separating the dome (10) to and from the receiver assembly (20) can be simplified in a secure and easy operation performed by the user.Type: GrantFiled: February 2, 2017Date of Patent: October 27, 2020Assignee: Sonova AGInventors: Georg Hans Meier, Andre Ochsenbein
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Patent number: 10724390Abstract: Collar support assemblies are provided. For example, a collar support assembly for an airfoil comprises a collar that includes a first surface shaped complementary to a fillet of the airfoil and a planar second surface. The first surface is disposed adjacent the fillet of the airfoil. The collar support assembly further comprises a shim material disposed between the second surface and an airfoil support structure and a filler material inserted between the first surface and the fillet of the airfoil to provide a tight fit between the collar and the airfoil. In other embodiments, the collar support assembly comprises a pair of collars and supports an airfoil doublet. The airfoil doublets may be part of an outlet guide vane assembly of a gas turbine engine, and methods for assembling outlet guide vane assemblies also are provided.Type: GrantFiled: March 16, 2018Date of Patent: July 28, 2020Assignee: General Electric CompanyInventors: Daniel Elmer King, Curt Brian Curtis, Ernest R. Broughton, George Han, Jeffrey Lawrence Sulikowski
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Publication number: 20190284945Abstract: Collar support assemblies are provided. For example, a collar support assembly for an airfoil comprises a collar that includes a first surface shaped complementary to a fillet of the airfoil and a planar second surface. The first surface is disposed adjacent the fillet of the airfoil. The collar support assembly further comprises a shim material disposed between the second surface and an airfoil support structure and a filler material inserted between the first surface and the fillet of the airfoil to provide a tight fit between the collar and the airfoil. In other embodiments, the collar support assembly comprises a pair of collars and supports an airfoil doublet. The airfoil doublets may be part of an outlet guide vane assembly of a gas turbine engine, and methods for assembling outlet guide vane assemblies also are provided.Type: ApplicationFiled: March 16, 2018Publication date: September 19, 2019Inventors: Daniel Elmer King, Curt Brian Curtis, Ernest R. Broughton, George Han, Jeffrey Lawrence Sulikowski
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Patent number: 9005361Abstract: The present application relates to compositions comprising at least one siloxane and at least one superplasticizer based on polycarboxylate ethers or sulphonates of lignin, melamine or naphthalene or of resins thereof, and to the use of such compositions as or in building-product mixtures or building products, especially mortar mixtures or concrete mixtures. Preferably the siloxane is a branched siloxane containing at least one âTâ unit and containing at least two different polyoxyalkylene moieties.Type: GrantFiled: December 19, 2012Date of Patent: April 14, 2015Assignee: Evonik Industries AGInventors: Frauke Henning, Anke Reinschmidt, Ralph Scheuermann, George-Hans Bayne, Kerstin Klein, Markus Roos
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Publication number: 20130174760Abstract: The present application relates to compositions comprising at least one siloxane and at least one superplasticizer based on polycarboxylate ethers or sulphonates of lignin, melamine or naphthalene or of resins thereof, and to the use of such compositions as or in building-product mixtures or building products, especially mortar mixtures or concrete mixtures.Type: ApplicationFiled: December 19, 2012Publication date: July 11, 2013Inventors: Frauke HENNING, Anke Reinschmidt, Ralph Scheuermann, George-Hans Bayne, Kerstin Klein, Markus Roos
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Publication number: 20120213697Abstract: The invention provides compositions for controlled delivery and/or containment of therapeutic and/or diagnostic agents comprising the agent or agents encapsulated by a matrix containing chitosan, polyethylene glycol (PEG) and/or polyvinyl alcohol (PVA), and tetra-methoxy-ortho-silicate (TMOS) or tetra-ethoxy-ortho-silicate (TEOS), as well as methods for preparing the compositions, and uses of the compositions for therapy and imaging.Type: ApplicationFiled: April 19, 2010Publication date: August 23, 2012Applicant: Albert Einstein College of Medicine of Yeshiva UniversityInventors: Joel M. Friedman, Adam J. Friedman, George Han, Mahantesh S. Navati, Kevin P. Davies, Moses Tarndie Tar, Alan A. Alfieri, Arturo Casadevall, Ekaterina Dadachova, Helene C. Eisenman, Jasmin N/A, David Spray
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Publication number: 20090154787Abstract: The present invention relates to an image reconstruction device and a corresponding method for reconstructing a 3D image of an object (7) from projection data of said object (7).Type: ApplicationFiled: November 22, 2005Publication date: June 18, 2009Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Matthias Bertram, Til Aach, Georg Hans Rose, Dirk Schaefer
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Publication number: 20080312959Abstract: The present invention is directed to a health care data management system comprising a workflow management system and a decision support system, as well as to a corresponding computer program product and a method. The decision support system comprises a probabilistic expert system for medical advice and is arranged to create a query to be sent to the workflow management system. It is also arranged to receive a corresponding answer determined by the workflow management system. This answer comprises entity allocation data relating to the allocation of an entity handled by the workflow management system. Furthermore, the decision support system is arranged to utilize the data as probabilistic input variable(s) for the expert system. Such a system has the advantage of combining up-to-date patient data and organisational data (resource allocation), which is managed by the workflow management system, with the profound medical expertise of a decision support system.Type: ApplicationFiled: August 17, 2006Publication date: December 18, 2008Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Georg Hans Rose, Klaus Weidenhaupt
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Publication number: 20040073069Abstract: In a process for working up polyether monools which have been prepared by ring-opening polymerization of epoxides by means of OH-functional starters using at least one heterogeneous catalyst, the heterogeneous catalyst or catalysts is/are separated off from the polyether monool by means of a membrane separation process.Type: ApplicationFiled: May 22, 2003Publication date: April 15, 2004Inventors: Wolfgang Heider, Edward Bohres, Georg Heinrich Grosch, Hartwig Voss, Gerd Hoppner, Kathrin Harre, Els Paredis, Jurgen Winkler, Michael Stosser, Wilfried Sager, Thomas Barth, Hannelore Barth, Georg Hans Barth
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Patent number: 4076507Abstract: A centrifugal separator for separating liquid and gas comprising a container having a cylindrical wall with a vertical axis and bottom wall defining a central inner surface part having a domed or convex shape, and an annular channel defined at the lower part of the cylindrical wall. The mixture of liquid and gas is introduced into the container and caused to rotate about the said vertical axis. Gas is discharged from the container through a gas discharge tube arranged centrally in the upper part of the container, and liquid is discharged from the annular channel through one or more liquid discharge conduits being connected to a level control device for securing a liquid level within predetermined limits in the channel or groove.Type: GrantFiled: June 17, 1976Date of Patent: February 28, 1978Assignee: Aktieselskabet Niro AtomizerInventor: Georg Hans Henrik Hauberg