Patents by Inventor Craig S. Shumway

Craig S. Shumway 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).

  • Integrated sponge mop and scrubbing element
    Patent number: 5881423
    Abstract: A mopping sponge assembly including a sponge having one face adapted for mopping and a scrubbing element attached to the sponge in a position such that a face of the scrubbing element is recessed away from the face of the sponge when the sponge is used with a normal mopping pressure. The scrubbing element is driven into contact with a surface being mopped when pressure on the sponge is increased above the normal mopping pressure.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: March 16, 1999
    Inventors: Craig S. Shumway, Amy M. Shumway
  • Method for cleaning an interior cavity of dishware
    Patent number: 5336330
    Abstract: A dish scrubber has an elongated handle and a cylindrical scrubbing element attached at one end to the handle. The scrubbing element is of laminar configuration having a leading layer of scouring material glued to an underlying layer of foam. The element is longitudinally grooved to provide circumferentially spaced teeth with cutting edges. The scrubber is configured so that the scouring layer contacts the bottom and the cutting edges contact the sides to clean the interior cavity of a coffee mug or similar cylindrical dishware cavity.
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: August 9, 1994
    Inventors: Craig S. Shumway, Amy Shumway
  • Dish scrubber
    Patent number: 5214820
    Abstract: A dish scrubber has an elongated handle and a cylindrical scrubbing element attached at one end to the handle. The scrubbing element is of laminar configuration having a leading layer of scouring material glued to an underlying layer of foam. The element is longitudinally grooved to provide circumferentially spaced teeth with cutting edges. The scrubber is configured so that the scouring layer contacts the bottom and the cutting edges contact the sides to clean the interior cavity of a coffee mug or similar cylindrical dishware cavity.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: June 1, 1993
    Inventors: Craig S. Shumway, Amy Shumway
  • Princess sipper cup lid
    Patent number: D509102
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: September 6, 2005
    Inventors: Craig S. Shumway, Amy M. Shumway
  • Sipper cup lid
    Patent number: D472424
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: April 1, 2003
    Inventors: Craig S. Shumway, Amy M. Shumway
  • Policeman sipper cup lid
    Patent number: D484739
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: January 6, 2004
    Inventors: Craig S. Shumway, Amy M. Shumway
  • Construction worker sipper cup lid
    Patent number: D492883
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: July 13, 2004
    Inventors: Craig S. Shumway, Amy M. Shumway
  • Bottle brush
    Patent number: D335223
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: May 4, 1993
    Inventors: Craig S. Shumway, Amy Shumway
  • Bottle brush
    Patent number: D336160
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: June 8, 1993
    Inventors: Craig S. Shumway, Amy Shumway
  • Display package
    Patent number: D349453
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: August 9, 1994
    Inventors: Craig S. Shumway, Amy Shumway
  • Container
    Patent number: D349454
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: August 9, 1994
    Inventors: Craig S. Shumway, Amy Shumway
  • Nipple scrubber
    Patent number: D375595
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: November 12, 1996
    Inventors: Craig S. Shumway, Amy Shumway