Patents by Inventor David J. Maupin

David J. Maupin 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: 11975928
    Abstract: A transfer mechanism for transferring food product from a compartment of a food processing system includes a conduit having a first end portion configured to be in communication with the compartment and a second end portion, a fluid discharge positioned substantially within the conduit between the first end portion and the second end portion, and a pressurized fluid source in communication with the fluid discharge. The pressurized fluid source is operable to propel a fluid through the fluid discharge to move the food product from the first end portion of the conduit toward the second end portion.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: May 7, 2024
    Assignee: Lyco Manufacturing, Inc.
    Inventors: Glenn W. Stousland, David R. Zittel, Daniel D. Maupin, Steven J. Schultz, Scott K. Weisman
  • Patent number: 4974862
    Abstract: A hand truck is provided including a forwardly projecting load platform and a generally U-shaped bumper is mounted from the hand truck for pivotal oscillation about a horizontal transverse axis between a lowered position closely overlying and projecting outwardly of the peripheral margins of the load platform and a raised position disposed fully rearward of the front side of the wheeled upstanding frame of the hand truck forwardly of which the load platform projects. The bumper is resilient and therefore prevent injury to objects which would otherwise be damaged or injured as a result of the platform abutting thereagainst and the front side of the upstanding frame of the hand truck defines forwardly opening horizontal recess structure in which the bight portion of the U-shaped bumper is fully recessed when the bumper is in the raised position thereof.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: December 4, 1990
    Inventor: David J. Maupin