Patents by Inventor David A. Ropp

David A. Ropp 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).

  • Full access modular utility trailer
    Patent number: 6817653
    Abstract: A series of structural panels are installed on a bed of a trailer or truck and interconnected by channels to support a roof structure and roll-up or swing-up doors between panels. Storage and display spaces between panels use V-channels and U-channels as long bins or shelving with sides. A doorway at the back end allows access to an interior aisle between the storage and display spaces. A pivotable ramp to the back doorway pivots up to form part of the door.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: November 16, 2004
    Inventor: David A. Ropp
  • Full access modular utility trailer
    Publication number: 20020153747
    Abstract: A series of structural panels are installed on a bed of a trailer or truck and interconnected by channels to support a roof structure and roll-up or swing-up doors between panels. Storage and display spaces between panels use V-channels and U-channels as long bins or shelving with sides. A doorway at the back end allows access to an interior aisle between the storage and display spaces. A pivotable ramp to the back doorway pivots up to form part of the door.
    Type: Application
    Filed: April 23, 2002
    Publication date: October 24, 2002
    Inventor: David A. Ropp