Patents by Inventor Dayu Feng

Dayu Feng 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).

  • SPEED CONTROL ASSEMBLY
    Publication number: 20240081181
    Abstract: A mower including a handle assembly and a grip coupled to the handle assembly. The handle assembly includes a cross member. The grip is moveable longitudinally relative to the cross member. The mower also includes a sensor operable to generate an output signal based on a position of the grip relative to the cross member, and a drive assembly configured to operate based on the output signal.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: TECHTRONIC OUTDOOR PRODUCTS TECHNOLOGY LIMITED
    Inventors: James C. Ferrell, William E. Colber, Dayu Feng
  • Speed control assembly
    Patent number: 11856888
    Abstract: A mower including a handle assembly and a grip coupled to the handle assembly. The handle assembly includes a cross member. The grip is moveable longitudinally relative to the cross member. The mower also includes a sensor operable to generate an output signal based on a position of the grip relative to the cross member, and a drive assembly configured to operate based on the output signal.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: January 2, 2024
    Assignee: TECHTRONIC OUTDOOR PRODUCTS TECHNOLOGY LIMITED
    Inventors: James C. Ferrell, William E. Colber, Dayu Feng
  • POWER TOOL HAVING A VARIABLE HEIGHT OR SPEED
    Publication number: 20230413725
    Abstract: A power tool may have features for varying height or speed. The power tool may include a base chassis, one or more wheels mounted to the base chassis, and a handle frame attached to the base chassis. A slider assembly or support rail may further be included with the power tool to, for instance, aid in varying speed or height.
    Type: Application
    Filed: September 8, 2023
    Publication date: December 28, 2023
    Inventors: William E. Colber, Dayu Feng, James C. Ferrell, Jonathan R. Feldkamp, Dongyu Wang
  • SPEED CONTROL ASSEMBLY
    Publication number: 20230232738
    Abstract: A mower including a handle assembly and a grip coupled to the handle assembly. The handle assembly includes a cross member. The grip is moveable longitudinally relative to the cross member. The mower also includes a sensor operable to generate an output signal based on a position of the grip relative to the cross member, and a drive assembly configured to operate based on the output signal.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 27, 2023
    Inventors: James C. Ferrell, William E. Colber, Dayu Feng
  • Speed control assembly
    Patent number: 11690319
    Abstract: A mower including a handle assembly, a grip moveable relative to the handle assembly, a sensor operable to generate an output signal based on a position of the grip relative to the handle assembly, a drive assembly, and a controller coupled to the sensor and the drive assembly. The controller receives the output signal and controls the drive assembly according to the output signal.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: July 4, 2023
    Assignee: Techtronic Outdoor Products Technology Limited
    Inventors: James C. Ferrell, William E. Colber, Dayu Feng
  • POWER TOOL HAVING A VARIABLE HEIGHT OR SPEED
    Publication number: 20200245555
    Abstract: A power tool may have features for varying height or speed. The power tool may include a base chassis, one or more wheels mounted to the base chassis, and a handle frame attached to the base chassis. A slider assembly or support rail may further be included with the power tool to, for instance, aid in varying speed or height.
    Type: Application
    Filed: January 28, 2020
    Publication date: August 6, 2020
    Inventors: William E. Colber, Dayu Feng, James C. Ferrell, Jonathan R. Feldkamp, Dongyu Wang
  • SPEED CONTROL ASSEMBLY
    Publication number: 20200107497
    Abstract: A mower including a handle assembly, a grip moveable relative to the handle assembly, a sensor operable to generate an output signal based on a position of the grip relative to the handle assembly, a drive assembly, and a controller coupled to the sensor and the drive assembly. The controller receives the output signal and controls the drive assembly according to the output signal.
    Type: Application
    Filed: June 22, 2018
    Publication date: April 9, 2020
    Inventors: James C. Ferrell, William E. Colber, Dayu Feng
  • Electric lawn mower
    Patent number: D1068860
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: April 1, 2025
    Inventors: Dayu Feng, Travis Clark
  • Electric motorcycle
    Patent number: D1070659
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: April 15, 2025
    Assignee: Real Motors, Inc.
    Inventors: Dayu Feng, Trent Dingman