Patents by Inventor William D. McCoskey

William D. McCoskey 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).

  • Asphalt compaction device
    Patent number: 7144195
    Abstract: An asphalt compaction device including a primary compaction plate and a secondary compaction plate for concentrating force, resulting in an increased compaction rate. The secondary compaction plate may be either rotated or extended into its operative position. The asphalt compaction device may include a single primary compaction plate intended to be moved and steered by a user. Alternatively, the asphalt compaction device may include an articulated machine with multiple primary compaction plates.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: December 5, 2006
    Inventor: William D. McCoskey