Patents by Inventor Dan W. Virtue

Dan W. Virtue 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 a plurality of toothed belt constructions
    Patent number: 5427728
    Abstract: A method of making a plurality of toothed belt constructions and a set of such belt constructions are provided, the method including the steps of disposing tubular sleeves of stretchable fabric material respectively onto a plurality of toothed mold members having different diameters, forcing mold material against the outside surfaces of the sleeves to tend to stretch the fabric material into the grooves of the toothed mold members as the mold material enters the grooves of the mold members so that the resulting toothed belt constructions will have the fabric material thereof carried in certain positions relative to the respective teeth thereof, and forming the sleeves from the same fabric material and with the same diameters in the nonstretched condition thereof.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: June 27, 1995
    Assignee: Dayco Products, Inc.
    Inventors: Harold D. Beck, R. Mark Mitchell, Jeffrey A. Swane, Dan W. Virtue