Patents by Inventor William G. Alford

William G. Alford 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).

  • Publication number: 20040205928
    Abstract: An upright vacuum cleaner is disclosed. The upright vacuum cleaner includes a carpet engaging nozzle base and an upper housing pivotally attached to the nozzle base. The upright vacuum cleaner further includes a removable bucket releasably secured to the upper housing and a bucket handle rotatably attached to the bucket and movable between a first position and a second position. The upright vacuum cleaner yet further includes a latch adapted to secure the bucket to the upper housing when the handle is in the first position and release the bucket from the upper portion when the handle is in a second position. The bucket may be removed from the upper housing when the latch is released from the upper housing. The bucket is re-secured to the upper housing by returning the bucket handle to the first position. A method of operating a upright vacuum cleaner is also disclosed.
    Type: Application
    Filed: April 17, 2003
    Publication date: October 21, 2004
    Inventors: William G. Alford, Erik D. Lesco
  • Publication number: 20040031123
    Abstract: This invention relates to a multi-purpose position sensitive floor cleaning device having two separate and distinct selective modes of operation whereby 180° longitudinal rotation of the floor cleaning device selectively activates one of the two separate and distinct selective modes of operation. The two separate and distinct selective modes of operation are, for example, a scrubbing mode for scrubbing an associated floor and a suctioning mode for suctioning associated liquid from the associated floor.
    Type: Application
    Filed: June 2, 2003
    Publication date: February 19, 2004
    Inventors: Adam C. Sclafani, William G. Alford, Kevin L. Thomas
  • Publication number: 20030208878
    Abstract: A removable dirt separation system for a vacuum cleaner is disclosed. The dirt separation system includes a dirt cup having a number of outer walls having a first portion defined by a filter assembly and a second portion with a first translucent panel to allow viewing material which accumulates within the dirt cup. The dirt cup further includes a top opening allow emptying of the dirt cup and an inlet in fluid communication with a suction nozzle of the vacuum cleaner. The dirt separation system further includes a lid for sealing the upper opening of the dirt cup. The dirt separation system yet further include a dirt duct for routing air which exits the filter assembly to an exit opening of the dirt separation system. A method of operating a removable dirt separation system for a vacuum cleaner is also disclosed.
    Type: Application
    Filed: May 8, 2002
    Publication date: November 13, 2003
    Inventors: William G. Alford, Jerry L. Balzer, Greg A. Bilek, Joseph A. Garisto, Erik D. Lesco, David C. Kumpf, Edgar G. Maurer, David P. Parks, Jackson W. Wegelin
  • Patent number: 6572711
    Abstract: This invention relates to a multi-purpose position sensitive floor cleaning device having two separate and distinct selective modes of operation whereby 180° longitudinal rotation of the floor cleaning device selectively activates one of the two separate and distinct selective modes of operation. The two separate and distinct selective modes of operation are, for example, a scrubbing mode for scrubbing an associated floor and a suctioning mode for suctioning associated liquid from the associated floor.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: June 3, 2003
    Assignee: The Hoover Company
    Inventors: Adam C. Sclafani, William G. Alford, Kevin L. Thomas
  • Publication number: 20020066153
    Abstract: This invention relates to a multi-purpose position sensitive floor cleaning device having two separate and distinct selective modes of operation whereby 180° longitudinal rotation of the floor cleaning device selectively activates one of the two separate and distinct selective modes of operation. The two separate and distinct selective modes of operation are, for example, a scrubbing mode for scrubbing an associated floor and a suctioning mode for suctioning associated liquid from the associated floor.
    Type: Application
    Filed: December 1, 2000
    Publication date: June 6, 2002
    Inventors: Adam C. Sclafani, William G. Alford, Kevin L. Thomas
  • Patent number: D442344
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: May 15, 2001
    Assignee: The Hoover Company
    Inventors: William G. Alford, David W. Moine, Richard R. Tucker
  • Patent number: D446614
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: August 14, 2001
    Assignee: The Hoover Company
    Inventors: William G. Alford, Greg A. Bilek, Ronald J. Stephens
  • Patent number: D451654
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: December 4, 2001
    Assignee: The Hoover Company
    Inventors: William G. Alford, Greg A. Bilek, Ronald J. Stephens
  • Patent number: D455241
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: April 2, 2002
    Assignee: The Hoover Company
    Inventors: William G. Alford, Greg A. Bilek, Ronald J. Stephens
  • Patent number: D455877
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: April 16, 2002
    Assignee: The Hoover Company
    Inventors: William G. Alford, Greg A. Bilek, Ronald J. Stephens
  • Patent number: D456964
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: May 7, 2002
    Assignee: The Hoover Company
    Inventors: William G. Alford, John D. Essex, Jeffery A. Morgan, Kevin S. Waltz, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D457278
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: May 14, 2002
    Assignee: The Hoover Company
    Inventors: William G. Alford, John D. Essex, Jeffery A. Morgan, Kevin L. Thomas, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D468875
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: January 14, 2003
    Assignee: The Hoover Company
    Inventors: William G. Alford, John D. Essex, Jeffery A. Morgan, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D468876
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: January 14, 2003
    Assignee: The Hoover Company
    Inventors: William G. Alford, John D. Essex, Kevin L. Thomas, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D469227
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: January 21, 2003
    Assignee: The Hoover Company
    Inventors: William G. Alford, Jeffery A. Morgan, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D469590
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: January 28, 2003
    Assignee: The Hoover Company
    Inventors: William G. Alford, Jeffery A. Morgan, Gad Shaanan, Ivan Brousseau, Sana S. K. Mok
  • Patent number: D473986
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: April 29, 2003
    Assignee: The Hoover Company
    Inventors: Richard S. Parr, William G. Alford, Darwin T. McKnight, Matthew J. Archer
  • Patent number: D485028
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: January 6, 2004
    Assignee: The Hoover Company
    Inventors: Richard S. Parr, William G. Alford, Darwin T. McKnight
  • Patent number: D426689
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: June 13, 2000
    Assignee: The Hoover Company
    Inventors: William G. Alford, Douglas C. Barker, Lynn A. Frederick, David W. Moine
  • Patent number: D427397
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: June 27, 2000
    Assignee: The Hoover Company
    Inventors: William G. Alford, Douglas C. Barker, Lynn A. Frederick, David W. Moine