Patents by Inventor Christopher Wolf

Christopher Wolf 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: 11449389
    Abstract: The embodiments set forth techniques for performing incremental backups of a source file system volume (FSV) managed by a source computing device. According to some embodiments, the source computing device can be configured to generate a current snapshot of the source FSV, where the current snapshot complements a previous snapshot of the source FSV (e.g., established during a previous backup). In some cases, to free up storage space, the data for files belonging to the source FSV can be stripped from the previous snapshot (where metadata for the files remains intact). Next, the source computing device can generate, within a destination storage device, a second snapshot of a destination FSV (that corresponds to the source FSV). In turn, the source computing device identifies changes made to the source FSV based on the current snapshot and the previous snapshot, and reflects the changes within the second snapshot of the destination FSV.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 20, 2022
    Assignee: Apple Inc.
    Inventors: Pavel Cisler, Pavel Sokolov, Dominic B. Giampaolo, Eric A. Weiss, Christopher A. Wolf
  • Publication number: 20220214382
    Abstract: An electrical current sensing arrangement includes a busbar, a dielectric material containing therein a magnetic field sensor, and a ferromagnetic over-mold encapsulating a portion of the busbar and the dielectric material. The dielectric material is disposed against the busbar such that the magnetic field sensor is spaced away from the busbar and the ferromagnetic over-mold is not between the busbar and the magnetic field sensor.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 7, 2022
    Inventors: Christopher Wolf, Michael W. Degner, Franco Leonardi, Seth Avery
  • Publication number: 20220045560
    Abstract: An electric machine includes a stator formed from a plurality of stacked laminations and defining a center bore and a rotor disposed within the center bore. The rotor is configured to output a rotational torque in response to an input current delivered to the stator. At least one of the stacked laminations of the stator includes a pattern of perforations disposed at a yoke portion of the stator to attenuate structure-bore transmission of vibration during operation of the electric machine.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 10, 2022
    Inventors: Christopher Wolf, Franco Leonardi, Michael W. Degner
  • Patent number: 11188422
    Abstract: The described embodiments set forth techniques for preserving clone relationships between files at a computing device. In particular, the techniques involve identifying clone relationships between files in conjunction with performing operations on the files where it can be beneficial to preserve the clone relationships. The operations can include, for example, preserving clone relationships between files that are being copied from a source storage device (that supports file cloning) to a destination storage device that supports file cloning. Additionally, the operations can include preserving clone relationships when backing up and restoring files between a source storage device (that supports file cloning) and a destination storage device that does not support file cloning. In this manner, the various benefits afforded by the clone relationships between files can be retained even as the files are propagated to destination storage devices that may or may not support file cloning.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 30, 2021
    Assignee: Apple Inc.
    Inventors: Pavel Cisler, Christopher A. Wolf, Loic E. Vandereyken, Eric A. Weiss
  • Publication number: 20210348533
    Abstract: A heat management system for air-cooled engines suitable to power yard care equipment or vehicles. The system may generally comprise an engine, a blower configured to blow ambient cooling air across the engine, and an exhaust system comprising an exhaust header and a muffler. The exhaust header has an inlet end which receives heated exhaust gas from the engine and an outlet end fluidly coupled to the muffler. An air control baffle is configured to redirect a portion of the cooling air from the blower towards the exhaust header and the muffler to enhance cooling the exhaust system. The system may further include an outermost protective shield exposed to equipment operators and an inner heat barrier or shield located between the muffler and protective shield. The system is designed to ameliorate both radiative and convective sources of heat transfer to maintain the protective shield at temperatures below established industry standards.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 11, 2021
    Inventors: Robert A. Griswold, David Hasler, Brittany Nicole Tremblay, Sean Leroy Winter, Christopher Wolf, Alexander Anthony Yosick
  • Publication number: 20210108990
    Abstract: An apparatus for testing a fuel cap includes a gas manifold, a fuel cap connector, a base, and a removable cover. The gas manifold is configured to provide a bidirectional flow path through the fuel cap. The fuel cap connector is integrated with or coupled to the gas manifold, and the fuel cap connector is configured to connect the fuel cap to the gas manifold. The base is configured to support the gas manifold and provide at least a first gas input to the gas manifold and through the fuel cap via the bidirectional flow path. The removable cover is configured to be removably connected to the gas manifold and provide at least a second gas input to the gas manifold and through the fuel cap via the bidirectional flow path.
    Type: Application
    Filed: October 6, 2020
    Publication date: April 15, 2021
    Inventors: David Hasler, Christopher Wolf
  • Patent number: 10753848
    Abstract: Methods and systems for efficient contour and gating in flow cytometry are provided. Event data is compressed to reduce the number of points needed to represent polygon contours for the event data. Selection of a level within the contour then causes the generation of a gate. This allows limited resource devices, such as touchscreen wireless devices, to render and gate flow cytometry data in a resource efficient manner.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 25, 2020
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Joseph Trotter, Christopher Wolf
  • Patent number: 10632909
    Abstract: A vehicle alert method includes, among other things, in response to an alert event, altering at least one characteristic of power delivered within an electrified vehicle powertrain to provide an alert. A vehicle alert assembly includes, among other things, a power characteristic control system that, in response to an alert event, alters at least one characteristic of power delivered within an electrified vehicle powertrain to provide alert.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: April 28, 2020
    Assignee: Ford Global Technlogies, LLC
    Inventors: Christopher Wolf, Michael W. Degner, Yue Nie, Seth Avery
  • Patent number: 10636411
    Abstract: A sound control method includes altering at least one characteristic of power delivered within an electrified vehicle powertrain to cause at least one component of the electrified vehicle powertrain to emit different acoustic tones that follow a predetermined sequence. A sound control assembly includes a power characteristic control system that alters at least one characteristic of power delivered within an electrified vehicle powertrain to cause at least one component of the electrified vehicle powertrain to emit different acoustic tones that follow a predetermined sequence.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: April 28, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Christopher Wolf, Michael W. Degner
  • Publication number: 20200118539
    Abstract: A sound control method includes altering at least one characteristic of power delivered within an electrified vehicle powertrain to cause at least one component of the electrified vehicle powertrain to emit different acoustic tones that follow a predetermined sequence. A sound control assembly includes a power characteristic control system that alters at least one characteristic of power delivered within an electrified vehicle powertrain to cause at least one component of the electrified vehicle powertrain to emit different acoustic tones that follow a predetermined sequence.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 16, 2020
    Inventors: Christopher Wolf, Michael W. Degner
  • Publication number: 20200114818
    Abstract: A vehicle alert method includes, among other things, in response to an alert event, altering at least one characteristic of power delivered within an electrified vehicle powertrain to provide an alert. A vehicle alert assembly includes, among other things, a power characteristic control system that, in response to an alert event, alters at least one characteristic of power delivered within an electrified vehicle powertrain to provide alert.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 16, 2020
    Inventors: Christopher Wolf, Michael W. Degner, Yue Nie, Seth Avery
  • Patent number: 10538169
    Abstract: A vehicle includes a traction motor having resonance frequency zones, an inverter including switches arranged to drive the traction motor, and a controller. The controller operates the switches only within specified sets of carrier frequencies such that noise side bands corresponding to the carrier frequencies fall outside the resonance frequency zones.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: January 21, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Xuemei Sun, Jami J. Miller, Christopher Wolf, Liqun Na
  • Patent number: 10509646
    Abstract: The embodiments set forth a technique for restoring a computing device to an operable state when a software update renders the computing device inoperable. According to some embodiments, a snapshot of a file system volume is automatically generated prior to executing the software update. When an issue is detected with the software update—e.g., the computing device freezes, the computing device cannot boot into an operable mode, etc.—the computing device can (1) automatically enter into a restoration mode, and (2) restore the file system volume to its previous state in accordance with the snapshot. In this manner, the issues caused by the software update are entirely mitigated, and the computing device can transition back into an operable state.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: December 17, 2019
    Assignee: Apple Inc.
    Inventors: Christopher A. Wolf, Jack R. Matthew
  • Publication number: 20190366854
    Abstract: A vehicle includes a traction motor having resonance frequency zones, an inverter including switches arranged to drive the traction motor, and a controller. The controller operates the switches only within specified sets of carrier frequencies such that noise side hands corresponding to the carrier frequencies fall outside the resonance frequency zones.
    Type: Application
    Filed: June 4, 2018
    Publication date: December 5, 2019
    Inventors: Xuemei Sun, Jami J. Miller, Christopher Wolf, Liqun Na
  • Patent number: 10360939
    Abstract: Disclosed herein are embodiments of a heat-assisted magnetic recording (HAMR) device comprising a waveguide and a near-field transducer (NFT) coupled to the waveguide. The NFT comprises a core layer comprising an insulator, a first metal layer adjacent to the core layer, and a second layer adjacent to the first metal layer, wherein the second layer comprises a material that is substantially mechanically and thermally stable and thereby functions as a hard jacket to mitigate deformation of the NFT. The first metal layer may comprise a plasmonic metal, such as gold. The second layer may comprise tungsten, chromium, or a dielectric material.
    Type: Grant
    Filed: December 23, 2017
    Date of Patent: July 23, 2019
    Assignees: Western Digital Technologies, Inc., The Provost, Fellows, Scholars and other Members of Board of Trinity College Dublin
    Inventors: Alexander Krichevsky, Frank Bello, Christopher Wolf, Fenghua Zong, Daniel Wolf, David McCloskey, Kyle Ballantine, John Donegan
  • Publication number: 20190198053
    Abstract: Disclosed herein are embodiments of a heat-assisted magnetic recording (HAMR) device comprising a waveguide and a near-field transducer (NFT) coupled to the waveguide. The NFT comprises a core layer comprising an insulator, a first metal layer adjacent to the core layer, and a second layer adjacent to the first metal layer, wherein the second layer comprises a material that is substantially mechanically and thermally stable and thereby functions as a hard jacket to mitigate deformation of the NFT. The first metal layer may comprise a plasmonic metal, such as gold. The second layer may comprise tungsten, chromium, or a dielectric material.
    Type: Application
    Filed: December 23, 2017
    Publication date: June 27, 2019
    Applicants: Western Digital Technologies, Inc., The Provost, Fellows, Foundation Scholars and the other members of the Board, of the College of the
    Inventors: Alexander KRICHEVSKY, Frank BELLO, Christopher WOLF, Fenghua ZONG, Daniel WOLF, David MCCLOSKEY, Kyle BALLANTINE, John DONEGAN
  • Patent number: 10259340
    Abstract: A system for a vehicle including an inverter electrically between a motor and traction battery, and a controller configured to operate the inverter at one of a predefined set of discrete frequencies selected according to rotor-torque-based probability weights corresponding to each of the discrete frequencies such that a probability that the inverter operates at the one changes as rotor torque changes.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 16, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Christopher Wolf, Michael W. Degner
  • Patent number: D897517
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: September 29, 2020
    Inventors: Christopher Wolf, Eric B. Hudak, Michelle Formanek, Michael E. Smies
  • Patent number: D912093
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: March 2, 2021
    Assignee: KOHLER CO.
    Inventors: Christopher Wolf, Michelle Formanek, Eric B. Hudak, Michael E. Smies
  • Patent number: D922440
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: June 15, 2021
    Inventors: Christopher Wolf, Eric B. Hudak, Michelle Formanek, Michael E. Smies