Patents by Inventor Hugo Whetsell Hayden

Hugo Whetsell Hayden 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).

  • Wood chipper with novel braking mechanism
    Patent number: 11570955
    Abstract: A wood chipper includes an engine and a chipper structure (e.g., a chipper disc or a chipper drum). A drive assembly is disposed between the engine and the chipper structure. The drive assembly comprises at least one pulley. The at least one pulley defines a cylindrical recess therein. A drum brake assembly is configured to engage the cylindrical recess of the at least one pulley.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: February 7, 2023
    Assignee: D.A.F., Inc.
    Inventors: Daniel R. Falatok, Mark D. Thompson, Hugo Whetsell Hayden, Robert Wyatt
  • Stump cutter and wood chipper with novel braking mechanism
    Patent number: 11297782
    Abstract: A stump cutter includes an engine and a cutting wheel. A drive assembly is disposed between the engine and the cutting wheel. The drive assembly comprises at least one pulley. The at least one pulley defines a cylindrical recess therein. A drum brake assembly is configured to engage the cylindrical recess of the at least one pulley.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: April 12, 2022
    Assignee: D.A.F., Inc.
    Inventors: Daniel R. Falatok, Mark D. Thompson, Hugo Whetsell Hayden, Robert Wyatt