Patents by Inventor Andrew Q. Liu

Andrew Q. Liu 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).

  • Publication number: 20210259445
    Abstract: A knife block may include a block body with a recessed portion and a block insert positioned at least partially within the recessed portion. The block insert may include a first knife slot and a second knife slot. The knife block may include a knife sharpener coupled to the block insert, where the first knife slot is sized such that a first knife is sharpened by the first knife sharpener each time the first knife is removed from the first knife slot. The knife block may include a first knife storage slot and a second knife storage slot.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: 11000141
    Abstract: A knife block may include a block body with a recessed portion and a block insert positioned at least partially within the recessed portion. The block insert may include a first knife slot and a second knife slot. The knife block may include a first knife sharpener coupled to the block insert, where the first knife slot is sized such that a first knife is sharpened by the first knife sharpener each time the first knife is removed from the first knife slot, and a second knife sharpener coupled to the block insert, where the second knife slot is sized such that a second knife is sharpened by the second knife sharpener each time the second knife is removed from the second knife slot. The knife block may include a first knife storage slot and a second knife storage slot.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: May 11, 2021
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Publication number: 20200163476
    Abstract: A knife block may include a block body with a recessed portion and a block insert positioned at least partially within the recessed portion. The block insert may include a first knife slot and a second knife slot. The knife block may include a first knife sharpener coupled to the block insert, where the first knife slot is sized such that a first knife is sharpened by the first knife sharpener each time the first knife is removed from the first knife slot, and a second knife sharpener coupled to the block insert, where the second knife slot is sized such that a second knife is sharpened by the second knife sharpener each time the second knife is removed from the second knife slot. The knife block may include a first knife storage slot and a second knife storage slot.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: 10638863
    Abstract: A knife block may include a block body with a recessed portion and a block insert positioned at least partially within the recessed portion. The block insert may include a first knife slot and a second knife slot. The knife block may include a first knife sharpener coupled to the block insert, where the first knife slot is sized such that a first knife is sharpened by the first knife sharpener each time the first knife is removed from the first knife slot, and a second knife sharpener coupled to the block insert, where the second knife slot is sized such that a second knife is sharpened by the second knife sharpener each time the second knife is removed from the second knife slot. The knife block may include a first knife storage slot and a second knife storage slot.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 5, 2020
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Publication number: 20170208978
    Abstract: A knife block may include a block body with a recessed portion and a block insert positioned at least partially within the recessed portion. The block insert may include a first knife slot and a second knife slot. The knife block may include a first knife sharpener coupled to the block insert, where the first knife slot is sized such that a first knife is sharpened by the first knife sharpener each time the first knife is removed from the first knife slot, and a second knife sharpener coupled to the block insert, where the second knife slot is sized such that a second knife is sharpened by the second knife sharpener each time the second knife is removed from the second knife slot. The knife block may include a first knife storage slot and a second knife storage slot.
    Type: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: 9693644
    Abstract: A knife block has a block body and a plurality of knife storage slots extending into the block body. A first knife sharpener is aligned with a first slot of the plurality of knife storage slots and a second knife sharpener is aligned with a second slot of the plurality of knife storage slots. The first and second knife sharpeners are each configured to contact a blade of a knife stored in the corresponding first and second slots. The knife block can be provided as part of a cutlery set that includes a plurality of knives.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 4, 2017
    Assignee: CALPHALON CORPORATION
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Publication number: 20170181557
    Abstract: A knife block has a block body and a plurality of knife storage slots extending into the block body. A first knife sharpener is aligned with a first slot of the plurality of knife storage slots and a second knife sharpener is aligned with a second slot of the plurality of knife storage slots. The first and second knife sharpeners are each configured to contact a blade of a knife stored in the corresponding first and second slots. The knife block can be provided as part of a cutlery set that includes a plurality of knives.
    Type: Application
    Filed: June 30, 2014
    Publication date: June 29, 2017
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: 8726457
    Abstract: A vacuum cleaner includes a foot, a handle pivotally attached to the foot, a suction source, and a display disposed on one of the handle and the foot. The foot includes a suction nozzle. The handle is pivotal relative to the foot about an axis of rotation. The suction source is in fluid communication with the suction nozzle. The display is for displaying content in a first orientation relative to the display and a second orientation relative to the display based on the position of the handle relative to the foot. The second orientation is different than the first orientation.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: May 20, 2014
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Andrew Q. Liu, Susan S. Roberts, Steven W. Kostreba
  • Patent number: 8689399
    Abstract: A floor cleaner including a nozzle and a handle assembly pivotably mounted to the nozzle. The handle assembly including a handle, a motor housing supporting a suction source in fluid communication with the nozzle, and a bag housing defining a filter cavity. A door is removably coupled to the handle assembly and includes a retainer configured to secure a filter bag including a bag aperture to the door such that the door and the retainer are removable from the handle assembly as an assembly. The retainer includes a retainer handle positioned above the bag aperture.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: April 8, 2014
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Andrew Q. Liu, Mark E. Cipolla
  • Patent number: D764875
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 30, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Neil John Varlamoff
  • Patent number: D764876
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 30, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Neil John Varlamoff
  • Patent number: D764877
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 30, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Joanna Gail Kucko
  • Patent number: D764878
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 30, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Joanna Gail Kucko
  • Patent number: D764879
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 30, 2016
    Assignee: Calphalon Corporation
    Inventors: Caleb Gossens, Andrew Q. Liu, Steven J. Muske, Joanna Gail Kucko
  • Patent number: D766047
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: September 13, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Neil John Varlamoff
  • Patent number: D766048
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: September 13, 2016
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske, Neil John Varlamoff
  • Patent number: D832658
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 6, 2018
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: D832659
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 6, 2018
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: D832660
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 6, 2018
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske
  • Patent number: D920053
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: May 25, 2021
    Assignee: Calphalon Corporation
    Inventors: Andrew Q. Liu, Steven J. Muske