Patents by Inventor Douglas Swarts

Douglas Swarts 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).

  • Method and apparatus for waste evacuation
    Publication number: 20070295420
    Abstract: A method and apparatus for waste evacuation using an extendible and retractable hose for transferring the waste have been described.
    Type: Application
    Filed: November 8, 2006
    Publication date: December 27, 2007
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts
  • Method and apparatus for waste evacuation
    Publication number: 20070113871
    Abstract: A method and apparatus for waste evacuation using an extendible and retractable hose for transferring the waste have been described.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 24, 2007
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts
  • Method and apparatus for waste evacuation
    Publication number: 20070113896
    Abstract: A method and apparatus for waste evacuation using an extendible and retractable hose for transferring the waste have been described.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 24, 2007
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts
  • Method and apparatus for waste evacuation
    Publication number: 20070113897
    Abstract: A method and apparatus for waste evacuation using an extendible and retractable hose for transferring the waste have been described.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 24, 2007
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts
  • Method and apparatus for waste evacuation
    Publication number: 20070113898
    Abstract: A method and apparatus for waste evacuation using an extendible and retractable hose for transferring the waste have been described.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 24, 2007
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts
  • Waste evacuation system for a vehicle
    Publication number: 20060070660
    Abstract: A waste evacuation system for a vehicle having an extendible and retractable hose for transferring the waste has been described.
    Type: Application
    Filed: August 18, 2004
    Publication date: April 6, 2006
    Applicant: Phase Four Industries, Inc.
    Inventor: Douglas Swarts