Patents Examined by Leo B. Tentoni
  • Patent number: 10506805
    Abstract: A method for producing fibers with improved color and anti-microbial properties is described. One embodiment includes a method for generating a halogen stable antimicrobial synthetic fiber, the method comprising creating a mixture that includes a polymer, an anti-microbial agent, and a non-halogen pigment, and extruding the mixture to form an anti-microbial synthetic fiber.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: December 17, 2019
    Assignee: PurThread Technologies, Inc.
    Inventors: Stephen Woodrow Foss, Reyad Ilayan Sawafta
  • Patent number: 10502500
    Abstract: A method includes building a tubular object by a layer-by-layer additive manufacturing process. A structure integrally connected to the tubular object for supporting a portion of the tubular object is formed during building of the tubular object. The structure provides vibration dampening, heat shielding, heat transfer, stiffening, energy absorption, or mounting after the tubular object is built.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: December 10, 2019
    Assignee: United Technologies Corporation
    Inventors: Evan Butcher, Wendell V. Twelves, Jr., Gary A. Schirtzinger, Joseph Ott, Lexia Kironn
  • Patent number: 10500786
    Abstract: Provided herein according to some embodiments is a method of forming a three-dimensional intermediate object with a polymerizable liquid, said polymerizable liquid comprising a mixture of (i) a microwave absorbing material, (ii) a light polymerizable liquid first component, and (iii) a second solidifiable component that is different from said first component. Optionally, but in some embodiments preferably, the method includes supporting the three-dimensional intermediate with a separate support media prior to solidifying and/or curing the second solidifiable component in the three-dimensional intermediate to form the three-dimensional object; and then optionally separating said support media when present from said three-dimensional object.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 10, 2019
    Assignee: Carbon, Inc.
    Inventor: Jason P. Rolland
  • Patent number: 10501587
    Abstract: A masterbatch may be blended with virgin polymer to add desired color or other properties to the virgin polymer prior to further processing. Methods and processes for producing an antimicrobial and/or antiviral polymeric masterbatch that may be used to add antimicrobial, antiviral and/or antifungal properties to a virgin polymer without significantly degrading the properties of the virgin polymer. The masterbatch may be extruded into pellets or formed into other particles for subsequent blending with the virgin polymer to add antimicrobial and antiviral properties to the polymeric materials. The method includes a heat treatment after compounding the base polymer with the antimicrobial, antiviral and/or antifungal are compounded together. The heat treatment comprises heating the masterbatch blend to a temperature between the glass transition temperature and the melting point of the base polymer.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: December 10, 2019
    Assignee: Cupron, Inc.
    Inventor: Vikram Kanmukhla
  • Patent number: 10493664
    Abstract: A method of manufacturing bulked continuous carpet filament from recycled polymer. In various embodiments, the method includes: (1) reducing recycled polymer material into polymer flakes; (2) cleansing the polymer flakes; (3) melting the flakes into a polymer melt; (4) removing water and contaminants from the polymer melt by dividing the polymer melt into a plurality of polymer streams and exposing those streams to pressures below 5 millibars; (5) recombining the streams; and (6) using the resulting purified polymer to produce bulked continuous carpet filament.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: December 3, 2019
    Assignee: Aladdin Manufacturing Corporation
    Inventor: Thomas R. Clark
  • Patent number: 10493663
    Abstract: A method for manufacturing bulked continuous carpet filament, the method comprising: (1) reducing a chamber pressure within a chamber to below about 5 millibars; (2) after reducing the chamber pressure to below about 5 millibars, providing a polymer melt to the chamber; (3) separating the polymer melt into at least eight streams; (4) while the at least eight streams of the polymer melt are within the chamber, exposing the at least eight streams of the polymer melt to the chamber pressure of below about 5 millibars; (5) after exposing the at least eight streams of the polymer melt to the chamber pressure of below about 5 millibars, recombining the at least eight streams into a single polymer stream; and (6) forming polymer from the single polymer stream into bulked continuous carpet filament.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: December 3, 2019
    Assignee: Aladdin Manufacturing Corporation
    Inventor: Thomas R. Clark
  • Patent number: 10493692
    Abstract: A method of forming a three-dimensional object by bottom-up three-dimensional fabrication by irradiating a polymerizable liquid to produce the three-dimensional object, is described. In the method: (i) a Lewis acid or an oxidizable tin salt (e.g., stannous octoate) is included in said polymerizable liquid in an amount effective to accelerate the formation of said three-dimensional object during said fabrication; and/or (ii) the three-dimensional object is irradiated after forming to further polymerize unpolymerized material remaining in the three-dimensional object.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: December 3, 2019
    Assignee: Carbon, Inc.
    Inventors: Jason P. Rolland, Joseph M. DeSimone
  • Patent number: 10493690
    Abstract: The method comprises the following steps: (a) supplying at least one cosmetic material and supplying at least one photoactivatable material; (b) forming a layer (19) comprising on at least a first region of the layer (19), a photoactivatable material supplied in step (a); (c) illuminating at least the first region of the layer (19) to activate the photoactivatable material; (d) forming an additional layer (19) on at least a second region of the additional layer (19), a photoactivatable material supplied in step (a), (e) illuminating at least the second region of the additional layer (19) to activate the photoactivatable material; (f) repeating steps (d) to (e) until the three-dimensional object is formed. The cosmetic composition comprised in the three-dimensional object or forming the three-dimensional object being recoverable after the three-dimensional object is formed.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: December 3, 2019
    Assignee: L'OREAL
    Inventors: Clément Jaunet, Sonia Lorente Gonzalez
  • Patent number: 10494740
    Abstract: Methods of producing a polyamide filaments and fibers are provided. The methods include providing a dual-terminated polyamide and spinning the dual-terminated polyamide at a speed of 3500 m/min to 8000 m/min to form a fiber. In one embodiment, the polyamide has an amine endgroup concentration of 25 mmol/kg to 40 mmol/kg and a carboxyl endgroup concentration of 18 mmol/kg to 50 mmol/kg. Fibers and yarns comprising polyamide filaments and fibers formed from the method are also disclosed.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: December 3, 2019
    Assignee: ADVANSIX RESINS & CHEMICALS LLC
    Inventors: Yu Zhang, Min Wang, Shuwen Peng, David J. Loy, Jie Wei, Tingzhi Chen
  • Patent number: 10493662
    Abstract: A method of manufacturing bulked continuous carpet filament that includes providing a polymer melt and separating the polymer melt from the extruder into at least eight streams. The multiple streams are exposed to a chamber pressure within a chamber that is below approximately 5 millibars. The streams are recombined into a single polymer stream and formed into bulked continuous carpet filament.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: December 3, 2019
    Assignee: Aladdin Manufacturing Corporation
    Inventor: Thomas R. Clark
  • Patent number: 10487422
    Abstract: A method of manufacturing bulked continuous carpet filament which, in various embodiments, comprises: (A) grinding recycled PET bottles into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) adding one or more color concentrates to the flakes; (E) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 25 millibars; (F) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (G) forming the recycled polymer into bulked continuous carpet filament that consists essentially of recycled PET.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: November 26, 2019
    Assignee: Aladdin Manufacturing Corporation
    Inventor: Thomas R. Clark
  • Patent number: 10486997
    Abstract: A method includes placing a first part proximate a second part, disposing a sintering material in contact with both the first part and the second part, and applying energy to the sintering material to join the first part and the second part. An apparatus includes a first part, a second part, and an additively manufactured joint comprising a sintering material that joins the first part and the second part.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: November 26, 2019
    Assignee: Goodrich Corporation
    Inventors: Matthew J. East, Daniel E. Dunn, Kramer Harrison, Bari M. Southard
  • Patent number: 10481234
    Abstract: A medical imaging phantom (18) is three-dimensionally printed (36). In one specific approach, three-dimensional printing (36) allows for any number of variations in phantoms (18). A library of different phantoms (18), different inserts, different textures, different densities, different organs, different pathologies, different sizes, different shapes, and/or other differences allows for defining a specific phantom (18) as needed. The defined phantom (18) is then printed (36) for calibration or other use in medical imaging.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: November 19, 2019
    Assignee: Siemens Healthcare GmbH
    Inventors: Bernhard Geiger, Shaohua Kevin Zhou
  • Patent number: 10471172
    Abstract: Ophthalmic suture materials made from biocompatible and biodegradable polymers with high tensile strength for use in drug delivery, methods of making them, and method of using them for ocular surgery and repair have been developed. The suture materials are made from a combination of a biodegradable, biocompatible polymer and a hydrophilic biocompatible polymer. In a preferred embodiment the suture materials are made from a poly(hydroxyl acid) such as poly(1-lactic acid) and a polyalkylene oxide such as poly(ethylene glycol) or a polyalkylene oxide block copolymer. The sutures entrap (e.g., encapsulate) one or more therapeutic, prophylactic or diagnostic agents and provide prolonged release over a period of at least a week, preferably a month.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: November 12, 2019
    Assignee: The Johns Hopkins University
    Inventors: Fabiana Kimie Kashiwabuchi, Justin Hanes, Hai-Quan Mao, Peter John McDonnell, Qingguo Xu, Shuming Zhang, Kunal S. Parikh
  • Patent number: 10471641
    Abstract: Methods for extrusion of polyolefins (110) that utilize melt temperature to control molecular weight and also reduce gels. Disclosed herein is an example method for controlling polymer chain scission in an extrusion system (100), comprising: melting a polyolefin resin (110) in extruder (102) at a first melt temperature to form a first melt (112); passing the first melt (112) through a screen pack (106); forming the first melt 112) into a first polyolefin product (116, 118); melting additional polyolefin resin (110) of the same grade in the extruder (102) at a second melt temperature to form a second melt (112), wherein the second melt temperature differs from the first melt temperature by 5° C. or more to control chain scission in the extruder (102); passing the second melt (112) through the screen pack (106); and forming the second melt (112) into a second polyolefin product (116, 118).
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: November 12, 2019
    Assignee: Univation Technologies, LLC
    Inventors: Daudi A. Abe, Brandon C. Locklear
  • Patent number: 10471698
    Abstract: In a computational modeling method for identifying how to apply a modifying agent during a three-dimensional (3D) printing method, a thermal diffusion model of a layer of a 3D object to be formed from a portion of a sinterable material using the 3D printing method is created. The thermal diffusion model is created by a computer running computer readable instructions stored on a non-transitory, tangible computer readable storage medium. A quantity of the modifying agent to be selectively applied is calculated, by the computer, based upon the thermal diffusion model.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: November 12, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Keshava A. Prasad, David H. Donovan, Krzysztof Nauka, Ali Emamjomeh, Hua Tan
  • Patent number: 10470316
    Abstract: A manufacturing method of a circuit board includes: performing a first printing process to form a first insulating layer having a first circuit depressed pattern; performing a second printing process to form a first circuit layer in the first circuit depressed pattern; checking whether a real position of the first circuit layer is diverged from a predetermined position; determining whether the shift level of the position of the first circuit layer is more than a predetermined level; performing the first printing process to form the second insulating layer, wherein when the shift level is more than the predetermined level and the thickness of a second insulating layer to be formed on the first insulating layer is not greater than a tolerance thickness, the second insulating layer has a hole at least partially overlapping the real position; and performing the second printing process to form a conductive plug in the hole.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: November 5, 2019
    Assignee: Winbond Electronics Corp.
    Inventors: Yu-Ming Chen, Yi-Der Wu
  • Patent number: 10456976
    Abstract: Methods and apparatus to identify additively manufactured parts are disclosed. An example method of manufacturing includes layering a first set of layers of a first material via an additive manufacturing technique, the first material having a first density and layering a second set of layers of the first material via the additive manufacturing technique, the second set of layers to form a void embedded internally in the part, the void forming an indicium.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 29, 2019
    Assignee: Fisher Controls International LLC
    Inventor: Adam Taylor Boyle
  • Patent number: 10457036
    Abstract: Embodiments of the present disclosure are drawn to additive manufacturing apparatus and methods. An exemplary additive manufacturing method may include forming a part using additive manufacturing. The method may also include bringing the part to a first temperature, measuring the part along at least three axes at the first temperature, bringing the part to a second temperature, different than the first temperature, and measuring the part along the at least three axes at the second temperature. The method may further include comparing the size of the part at the first and second temperatures to calculate a coefficient of thermal expansion, generating a tool path that compensates for the coefficient of thermal expansion, bringing the part to the first temperature, and trimming the part while the part is at the first temperature using the tool path.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: October 29, 2019
    Assignee: Thermwood Corporation
    Inventor: Kenneth J. Susnjara
  • Patent number: 10442132
    Abstract: A method for manufacturing a three-dimensional printed (3D-printed) object on a base plate. The method includes: depositing at least one block of a first material in a first layer directly onto the base plate; and depositing at least one block of a second material either in the first layer adjacent to the one or more blocks of the first material, or in a second layer directly onto the at least one block of the first material in the first layer. The first material is one of a non-auxetic structure or an auxetic structure, and the second material is the other one of the non-auxetic structure or the auxetic structure.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: October 15, 2019
    Assignee: Konica Minolta Laboratory U.S.A., Inc.
    Inventors: Jun Amano, Michael Stopa