Patents by Inventor Patrick W. Purcell

Patrick W. Purcell 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).

  • Apparatus for removing surface coverings and methods for using such apparatus
    Patent number: 7401861
    Abstract: A apparatus for removing surface coverings, includes a shaft having a first end and a second end; a sleeve slidably mounted on the first end of the shaft; a clevis pivotably mounted on a first end of the sleeve; a drive mechanism for shifting a rod between a first rod position and a second rod position relative to the shaft; and a blade mounted on the clevis and extending away from the shaft. The clevis is secured to the rod, such that as the rod moves between the first rod position and the second rod position, the clevis pivots on the sleeve, and the sleeve slides on the shaft to shift a leading edge of the blade between a first edge position and a second edge position.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: July 22, 2008
    Inventors: Patrick W. Purcell, Kevin J. Miller
  • Apparatus for removing surface coverings and methods for using such apparatus
    Publication number: 20040244333
    Abstract: A apparatus for removing surface coverings, includes a shaft having a first end and a second end; a sleeve slidably mounted on the first end of the shaft; a clevis pivotably mounted on a first end of the sleeve; a drive mechanism for shifting a rod between a first rod position and a second rod position relative to the shaft; and a blade mounted on the clevis and extending away from the shaft. The clevis is secured to the rod, such that as the rod moves between the first rod position and the second rod position, the clevis pivots on the sleeve, and the sleeve slides on the shaft to shift a leading edge of the blade between a first edge position and a second edge position.
    Type: Application
    Filed: April 15, 2004
    Publication date: December 9, 2004
    Inventors: Patrick W. Purcell, Kevin J. Miller