Patents by Inventor Richard C. Spangler

Richard C. Spangler 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).

  • SPA super demountable bearing
    Patent number: 6648510
    Abstract: A bearing assembly for supporting a water-lubricated drive shaft includes a plurality of load-bearing staves made from a composite material known as Slippery Polymer Alloy (SPA and a plurality of rubber staves. The composite staves are spaced circumferentially around the bearing housing on the inner wall. The rubber staves are also spaced circumferentially around the bearing housing, the rubber staves being located between adjoining composite staves and having compression force on their end portions to lock the composite staves in place.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: November 18, 2003
    Assignee: Duramax Marine, LLC
    Inventors: Roy L. Orndorff, Jr., Richard C. Spangler
  • SPA super demountable bearing
    Publication number: 20020051586
    Abstract: A bearing assembly for supporting a water-lubricated drive shaft includes a plurality of load-bearing staves made from a composite material known as Slippery Polymer Alloy (SPA and a plurality of rubber staves. The composite staves are spaced circumferentially around the bearing housing on the inner wall. The rubber staves are also spaced circumferentially around the bearing housing, the rubber staves being located between adjoining composite staves and having compression force on their end portions to lock the composite staves in place.
    Type: Application
    Filed: August 23, 2001
    Publication date: May 2, 2002
    Applicant: Duramax Marine, LLC
    Inventors: Roy L. Orndorff, Richard C. Spangler