Patents by Inventor Yiwei Yan

Yiwei Yan 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: 20250112538
    Abstract: Magnetic coupling devices are disclosed. The magnetic coupling devices may include at least one permanent magnet and at least one ferromagnetic core. The at least one permanent magnet may surround the at least one ferromagnetic core.
    Type: Application
    Filed: June 9, 2023
    Publication date: April 3, 2025
    Inventors: David H. Morton, Paul J. Karp, Yiwei Yan
  • Publication number: 20160289046
    Abstract: A magnetic device (100) for lifting and/or holding ferromagnetic work-pieces comprises a ferromagnetic housing block (10) and a switchable magnet arrangement accommodated within a cavity of the housing block (10). The housing (10) is formed to define two longitudinal sides that are substantially decoupled magnetically from one another. The switchable magnet arrangement comprises a series of interleaved dipolar magnet units (40, 42) arranged along a longitudinal axis of the housing block (10) between the two sides. The magnet units (40, 42) comprise a series of fixed permanent magnets (40) and rotatable permanent magnets (42) that are cylindrical, or more particularly annular in shape, and traversed by an actuation shaft (24) that rotates the rotatable magnets (42) with respect to the fixed magnets (40) about the longitudinal axis of the housing block (10).
    Type: Application
    Filed: November 17, 2014
    Publication date: October 6, 2016
    Inventors: David H. Norton, Yiwei Yan
  • Patent number: D930354
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 14, 2021
    Assignee: Magswitch Technology Worldwide PTY LTD.
    Inventors: David Morton, Yiwei Yan
  • Patent number: D1018241
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 19, 2024
    Assignee: Magswitch Technology, Inc.
    Inventors: David Morton, Yiwei Yan