Patents by Inventor Larry D. Rathbone

Larry D. Rathbone 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 of making vacuum cleaner hose
    Patent number: 5648040
    Abstract: A vacuum cleaner hose and method and apparatus of making the same are provided, the hose having opposite ends and a plurality of annular corrugations between the opposite ends thereof, the corrugations comprising a plurality of alternating annular crests and annular valleys that are interconnected together by annular sidewalls, each valley and each crest defining a radius at the apex thereof, each valley being narrower than the crests and having a smaller radius than the crests.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: July 15, 1997
    Assignee: Dayco Products, Inc.
    Inventors: Keith E. Wood, Larry D. Rathbone, Raymond P. Storti, Jr.
  • Vacuum cleaner hose assembly, a flexible hose therefor and methods of making the same
    Patent number: 5575509
    Abstract: A vacuum cleaner hose assembly, a flexible hose therefor and methods of making the same are provided, the hose assembly comprising a flexible hose having a cuff end and a tubular tool part having an end telescoped in the cuff end and being locked therein while being rotatable relative thereto, the cuff end having a pair of axially spaced apart and inwardly directed annular convolutions provided with like facing sides, the end of the tool part having a pair of axially spaced apart and outwardly directed annular shoulders respectively engaging the sides of the annular convolutions to tend to lock the end of the tool part in the cuff end of the hose, the cuff end of the hose having an annular structure interconnecting the pair of convolutions together, the annular structure of the cuff end of the hose being annularly spaced outwardly from the tool part so as to be out of engagement therewith from one of the convolutions to the other of the convolutions.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: November 19, 1996
    Assignee: Dayco Products, Inc.
    Inventors: Keith E. Wood, R. Dale Medford, Larry D. Rathbone
  • Vacuum cleaner hose and method and apparatus for making the same
    Patent number: 5492151
    Abstract: A vacuum cleaner hose and method and apparatus of making the same are provided, the hose having opposite ends and a plurality of annular corrugations between the opposite ends thereof, the corrugations comprising a plurality of alternating annular crests and annular valleys that are interconnected together by annular sidewalls, each valley and each crest defining a radius at the apex thereof, each valley being narrower than the crests and having a smaller radius than the crests.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: February 20, 1996
    Assignee: Dayco Products, Inc.
    Inventors: Keith E. Wood, Larry D. Rathbone, Raymond P. Storti, Jr.