Patents by Inventor Walter F. Hammer

Walter F. Hammer 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).

  • Pencil sharpener configured to work with a power drill
    Patent number: 8656600
    Abstract: An example adapter for converting a manual-pencil sharpener into a powered sharpener for carpenter pencils is described. The example adapter has a housing including two cavities. A first cavity is configured to receive a substantial portion of a manual-pencil sharpener for carpenter pencils therein. A second cavity extends in a lengthwise and axial position opposite the first cavity. The second cavity has a complementary shape and size configured to receive a substantial portion of a hex-bit therein.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: February 25, 2014
    Inventor: Walter F Hammer
  • Pencil Sharpener, Adapter, and Method of Making Same
    Publication number: 20110265911
    Abstract: An example adapter for converting a manual-pencil sharpener into a powered sharpener for carpenter pencils is described. The example adapter has a housing including two cavities. A first cavity is configured to receive a substantial portion of a manual-pencil sharpener for carpenter pencils therein. A second cavity extends in a lengthwise and axial position opposite the first cavity. The second cavity has a complementary shape and size configured to receive a substantial portion of a hex-bit therein.
    Type: Application
    Filed: May 3, 2011
    Publication date: November 3, 2011
    Applicant: Hammer Products International, LLC
    Inventor: Walter F Hammer
  • Pencil Sharpener
    Publication number: 20110258863
    Abstract: A pencil-sharpener tool for carpenter pencils includes a housing, a pencil-tip-insertion hole, and a hex-bit-drive hole. The pencil-tip-insertion hole may configured in to receive a portion of a carpenter pencil. The hex-bit-drive hole may extend at least partially through the housing opposite the pencil-tip-insertion hole. The hex-bit-drive hole may also be in axial alignment with the pencil-tip-insertion hole and the central axis of the housing. The housing, the pencil-tip insertion hole, and the hex-bit-drive hole may be in fixed relation to each other, and may move in unison when the hex bit is inserted inside the hex-bit-drive hole and rotates clockwise or counterclockwise.
    Type: Application
    Filed: April 26, 2011
    Publication date: October 27, 2011
    Inventor: Walter F. Hammer