Patents by Inventor Larry Edward Dodson

Larry Edward Dodson 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).

  • Vacuum drainage system for unclogging a clogged drain, drain clean-out device therefor, and method of unclogging a clogged drain
    Patent number: 8418274
    Abstract: A vacuum drainage system for unclogging a clogged drain comprises a source of vacuum, a hose having a proximal end portion and a distal end portion, the proximal end portion of the hose being connected to the source of vacuum when the system is in use, and a drain clean-out device being received on the distal end portion of the hose when the system is in use. The drain clean-out device comprises a hollow tubular structure, a sealing member receiving portion located on the exterior surface of the hollow tubular structure at the first end portion of the structure, and a sealing member mountable on the sealing member receiving portion for creating a seal between the sealing member and the exterior service of the structure and between the sealing member and a clogged drain when the hollow tubular structure, with the sealing member mounted thereon, is positioned over a clogged drain, with the sealing member being in contact with an entrance to the drain or with a surface surrounding the entrance to the drain.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: April 16, 2013
    Inventor: Larry Edward Dodson
  • Vacuum drainage system for unclogging a clogged drain, drain clean-out device therefor, and method of unclogging a clogged drain
    Publication number: 20090113612
    Abstract: A vacuum drainage system for unclogging a clogged drain comprises a source of vacuum, a hose having a proximal end portion and a distal end portion, the proximal end portion of the hose being connected to the source of vacuum when the system is in use, and a drain clean-out device being received on the distal end portion of the hose when the system is in use. The drain clean-out device comprises a hollow tubular structure, a sealing member receiving portion located on the exterior surface of the hollow tubular structure at the first end portion of the structure, and a sealing member mountable on the sealing member receiving portion for creating a seal between the sealing member and the exterior service of the structure and between the sealing member and a clogged drain when the hollow tubular structure, with the sealing member mounted thereon, is positioned over a clogged drain, with the sealing member being in contact with an entrance to the drain or with a surface surrounding the entrance to the drain.
    Type: Application
    Filed: November 1, 2007
    Publication date: May 7, 2009
    Inventor: Larry Edward Dodson