Patents by Inventor David W. Skaggs

David W. Skaggs 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).

  • Box scraper
    Patent number: 7584805
    Abstract: A box scraper for use with a pulling or a pushing vehicle, having a continuous box-form main frame above, with a lower portion of the rear wall, the moldboard, hinged to the side wall at one end and held to the opposite side wall by a lock mechanism such that one end of the moldboard can be released backwards from that sidewall; when thus released allowing for a smooth and continuous lateral release of scraped materials outside the confines of the scraper box.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: September 8, 2009
    Inventor: David W. Skaggs
  • Box scraper
    Publication number: 20090078436
    Abstract: A box scraper for use with a pulling or a pushing vehicle, having a continuous box-form main frame above, with a lower portion of the rear wall, the moldboard, hinged to the side wall at one end and held to the opposite side wall by a lock mechanism such that one end of the moldboard can be released backwards from that sidewall; when thus released allowing for a smooth and continuous lateral release of scraped materials outside the confines of the scraper box.
    Type: Application
    Filed: September 24, 2007
    Publication date: March 26, 2009
    Inventor: David W. Skaggs