Patents by Inventor Don K. Chapman

Don K. Chapman 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).

  • Publication number: 20090317218
    Abstract: Embodiments generally include a container tilter and method of tilting and/or loading a container which are more efficient and time and cost effective than previous apparatus and methods. Embodiments further include a backstop apparatus and method of using which allow for more effective, efficient, and time and cost savings in loading a container than previous methods and container loading apparatus. Additional embodiments include a weighing apparatus and method which provide efficient and time and cost effective weighing of materials within a container during loading and/or at one or more time intervals of the container loading process.
    Type: Application
    Filed: August 25, 2009
    Publication date: December 24, 2009
    Applicant: Phelps Industries, Inc.
    Inventors: John Phelps, Don K. Chapman, Daniel L. Darcey
  • Patent number: 6860695
    Abstract: A trailer tipper is disclosed having a sub-frame, a deck pivotally secured to a rear portion of the sub-frame, and means for raising the deck relative to the sub-frame. A wheel assembly frame is pivotally secured to a rear portion of the sub-frame, and wheels are connected to the wheel assembly frame. An adjustable backstop is provided, having a first member affixed to the deck and a second member slidably secured to the first member and movable over a path that is substantially parallel to the deck. Front and middle stabilizers are pivotally secured to the sub-frame. In the raised position, each stabilizer rests on the deck or sub-frame disposed so that it does not extend outward from an outer side of the sub-frame.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: March 1, 2005
    Assignee: Phelps Industries, Inc.
    Inventors: Don K. Chapman, Michael E. White
  • Publication number: 20030175099
    Abstract: A trailer tipper is disclosed having a sub-frame, a deck pivotally secured to a rear portion of the sub-frame, and means for raising the deck relative to the sub-frame. A wheel assembly frame is pivotally secured to a rear portion of the sub-frame, and wheels are connected to the wheel assembly frame. An adjustable backstop is provided, having a first member affixed to the deck and a second member slidably secured to the first member and movable over a path that is substantially parallel to the deck. Front and middle stabilizers are pivotally secured to the sub-frame. In the raised position, each stabilizer rests on the deck or sub-frame disposed so that it does not extend outward from an outer side of the sub-frame.
    Type: Application
    Filed: February 19, 2003
    Publication date: September 18, 2003
    Applicant: Phelps Industries, Inc.
    Inventors: Don K. Chapman, Michael E. White