Patents by Inventor David Alan Hamilton

David Alan Hamilton 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: 11965526
    Abstract: A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends laterally with respect to the main axis and has opposite facing first and second sides, a plurality of formations on a surface of the second side including an inner formation and an outer formation in spaced relation to the inner formation, the formations being configured so that in use the formations generate a flow of the fluid mixture across the surface which detaches from the surface the particulate matter adjacent thereto.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 23, 2024
    Assignee: Weir Minerals Australia Ltd.
    Inventors: Luis Moscoso Lavagna, Nestor Cinotti, David Alan Hamilton
  • Publication number: 20210254630
    Abstract: A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends laterally with respect to the main axis and has opposite facing first and second sides, a plurality of formations on a surface of the second side including an inner formation and an outer formation in spaced relation to the inner formation, the formations being configured so that in use the formations generate a flow of the fluid mixture across the surface which detaches from the surface the particulate matter adjacent thereto.
    Type: Application
    Filed: October 12, 2018
    Publication date: August 19, 2021
    Inventors: Luis Lavagna Moscoso, Nestor Cinotti, David Alan Hamilton
  • Patent number: 9789912
    Abstract: A vehicle tailgate includes an upper panel, lower panel, internal panel, external panel and brace. The upper and lower panels are spaced apart relative to each other. The internal and external panels are each secured to the upper and lower panels. A cavity is defined between the upper, lower, internal, and external panels. The brace is disposed within the cavity. The brace includes first and second flanges extending outward from a central plate. The first and second flanges are secured to the internal panel while the central plate is secured to the external panel.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 17, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Jack Marchlewski, Jeffrey Gray, Michael William Danyo, David Alan Hamilton, Joshua R. Hemphill, John Comiez, Colleen Marie Hoffman, Scott Huneau, Bradley Brandt