Patents by Inventor Michael M. McDowell

Michael M. McDowell 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).

  • Pile driver
    Patent number: 5375664
    Abstract: A hydraulic pile driver (9) including a backhoe (10), a lead (30), a vibratory hydraulic hammer (38), and a winch (46), for driving pin pile or needle pile (44) into the ground. The lead (30) is limited in height, as is the backhoe (10) in size, so that the pile driver (9) can be used within the interiors of many building structures. The vibratory hydraulic hammer (38) operates at a rate greater than 400 blows per minute and generates a force greater than 100 foot-pounds.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: December 27, 1994
    Inventors: Michael M. McDowell, Eugene A. Mathews