Patents by Inventor William D. Burke

William D. Burke 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).

  • Patent number: 10443145
    Abstract: Treatments for anodic coatings that provide improved resistance to staining and cracking during various manufacturing processes are described. According to some embodiments, the methods include placing the anodic coatings in partially sealed states by sealing only the outermost portions of the anodic coatings, which protect the outer surfaces of the anodic coatings from contamination and staining. Inner portions of the anodic coatings are left unsealed, thereby making the anodic coatings more compliant and resistant to cracking when exposed to manufacturing processes, even those that involve exposure to high temperatures or high mechanical stress. Subsequent to the processing, another sealing process can be implemented to fully seal the anodic coatings so that they provide good corrosion and wear resistance.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: October 15, 2019
    Assignee: Apple Inc.
    Inventors: James A. Curran, Aaron D. Paterson, William D. Burke
  • Patent number: 10351966
    Abstract: Processes for cleaning anodic film pore structures are described. The processes employ methods for gas generation within the pores to flush out contamination within the anodic film. The pore cleaning processes can eliminate cosmetic defects related to anodic pore contamination during the manufacturing process. For example, an anodic film that is adjacent to a polymer piece can experience contamination originating from a gap between the anodic film and polymer piece, which can inhibit colorant uptake of the anodic film in areas proximate the polymer piece. In some cases, an alternating current anodizing process or a separate operation of cathodic polarization is implemented to generate hydrogen gas that bubbles out of the pores, forcing the contaminates out of the anodic film.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: July 16, 2019
    Assignee: Apple Inc.
    Inventors: James A. Curran, William D. Burke
  • Publication number: 20190062939
    Abstract: Treatments for anodic coatings that provide improved resistance to staining and cracking during various manufacturing processes are described. According to some embodiments, the methods include placing the anodic coatings in partially sealed states by sealing only the outermost portions of the anodic coatings, which protect the outer surfaces of the anodic coatings from contamination and staining. Inner portions of the anodic coatings are left unsealed, thereby making the anodic coatings more compliant and resistant to cracking when exposed to manufacturing processes, even those that involve exposure to high temperatures or high mechanical stress. Subsequent to the processing, another sealing process can be implemented to fully seal the anodic coatings so that they provide good corrosion and wear resistance.
    Type: Application
    Filed: August 24, 2017
    Publication date: February 28, 2019
    Inventors: James A. CURRAN, Aaron D. PATERSON, William D. BURKE
  • Publication number: 20170088967
    Abstract: Processes for cleaning anodic film pore structures are described. The processes employ methods for gas generation within the pores to flush out contamination within the anodic film. The pore cleaning processes can eliminate cosmetic defects related to anodic pore contamination during the manufacturing process. For example, an anodic film that is adjacent to a polymer piece can experience contamination originating from a gap between the anodic film and polymer piece, which can inhibit colorant uptake of the anodic film in areas proximate the polymer piece. In some cases, an alternating current anodizing process or a separate operation of cathodic polarization is implemented to generate hydrogen gas that bubbles out of the pores, forcing the contaminates out of the anodic film.
    Type: Application
    Filed: February 25, 2016
    Publication date: March 30, 2017
    Inventors: James A. CURRAN, William D. BURKE
  • Patent number: 7207513
    Abstract: The present invention provides a comminuting device that can generate an impact speed exceeding 200 ft/s, for example 1,500 ft/s, while consuming less energy than conventional comminuting devices, and thus, is more efficient than conventional comminuting devices. The comminuting device comprises a throwing wheel that generates a centrifugal and tangential force in the particles of material to accelerate the particles toward a desired impact speed, an impact rotor that includes an impact surface to fragment the particles when the particles collide with the impact surface, and a motor operable to power the impact rotor and the throwing wheel. To increase the impact speed of the particle, the impact surface is moved toward the particle as the particle exits the throwing wheel. Thus, the comminuting device can generate impact speeds that exceed the impact speeds generated by conventional comminuting devices and consequently fracture a particle into smaller pieces after one run.
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: April 24, 2007
    Assignee: Aerosion Ltd.
    Inventors: Lynn P. Tessier, Russell M. Graham, James B. Graham, William D. Burke, Fan Jiang
  • Publication number: 20040113002
    Abstract: The present invention provides a comminuting device that can generate an impact speed exceeding 200 ft/s, for example 1,500 ft/s, while consuming less energy than conventional comminuting devices, and thus, is more efficient than conventional comminuting devices. The comminuting device comprises a throwing wheel that generates a centrifugal and tangential force in the particles of material to accelerate the particles toward a desired impact speed, an impact rotor that includes an impact surface to fragment the particles when the particles collide with the impact surface, and a motor operable to power the impact rotor and the throwing wheel. To increase the impact speed of the particle, the impact surface is moved toward the particle as the particle exits the throwing wheel. Thus, the comminuting device can generate impact speeds that exceed the impact speeds generated by conventional comminuting devices and consequently fracture a particle into smaller pieces after one run.
    Type: Application
    Filed: August 20, 2003
    Publication date: June 17, 2004
    Inventors: Lynn P. Tessier, Russell M. Graham, James B. Graham, William D. Burke, Fan Jiang
  • Patent number: 5321824
    Abstract: A write-once read-many (WORM) disk stores data in continuation chains. Each chain being arranged as a plurality of groups of contiguous datastoring areas (such as disk sectors, clusters of sectors, tracks and the like). The groups are separated on the disk. Each recorded area in the chain has a forward pointer to a next succeeding area of the chain, whether such succeeding area is in the same chain or in a next chain. A last succeeding one of the groups includes unrecorded allocated area(s) of the chain. To find the end of the chain, only the last area of each successive group is accessed and read until a last area of a last group is accessed with an indication that such last group area is unrecorded. Then the entire last group is scanned to find the last recorded area of the chain.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: June 14, 1994
    Assignee: International Business Machines Corporation
    Inventors: William D. Burke, Kenneth F. Day, III, Douglas W. Dewey
  • Patent number: 4805556
    Abstract: This invention relates to the manufacture of high-purity polycrystalline silicon rods by the pyrolysis of silane. More specifically, the present invention relates to an improved method for pyrolyzing monosilane to form high-quality polycrystalline rods of uniform diameter and to an improved pyrolysis reactor system for forming high-quality polycrystalline silicon rods of uniform diameter at high production rates.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: February 21, 1989
    Assignee: Union Carbide Corporation
    Inventors: David W. Hagan, William D. Burke, Thomas R. Thoman, McRea B. Willmert
  • Patent number: 4075403
    Abstract: The invention relates to an improved phenol-aldehyde resole resin composition for battery separators and a fibrous battery separator impregnated with the composition. Said composition comprising a resole resin with particular soluble hydroxy organic salts that do not salt out and improve the oxidation resistance of the battery separators.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: February 21, 1978
    Assignee: Monsanto Company
    Inventors: William D. Burke, Harold P. Higginbottom, John R. Le Blanc