Patents by Inventor David Alan Bergerud

David Alan Bergerud 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).

  • Parts washer
    Patent number: 6109277
    Abstract: A parts washer is disclosed. The parts washer includes a housing that has a washbasin defining an inner cavity and chargeable with a volume of fluid. A spray tube is rotatably positioned within the housing and has an axis of rotation. The spray tube is configured to define a volume of rotation as it rotates about its axis of rotation. A support structure configured to support parts to be washed is positioned within the housing and is substantially within the volume of rotation of the spray tube. The parts washer further includes a pump connected to the spray tube. The pump delivers fluid under pressure to the spray tube. The spray tube includes a plurality of outlets configured to direct fluid towards parts to be washed on the support structure and at least one outlet configured to direct fluid in a direction to cause fluid-propelled rotation of the spray tube about its axis of rotation.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: August 29, 2000
    Assignee: Landa, Inc.
    Inventors: Paul W. Linton, Bill George Epperson, Jr., Hal W. Hardinge, David Alan Bergerud
  • Parts washer
    Patent number: D384446
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: September 30, 1997
    Assignee: Landa, Inc.
    Inventors: Paul W. Linton, Bill George Epperson, Jr., Hal W. Hardinge, David Alan Bergerud
  • Parts washer
    Patent number: D406417
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: March 2, 1999
    Assignee: Landa, Inc.
    Inventors: Paul W. Linton, Hal W. Hardinge, David Alan Bergerud, Bill George Epperson, Jr.