Patents by Inventor Roy J. Walters

Roy J. Walters 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).

  • Method of cleaning tile grout
    Patent number: 7048611
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: May 23, 2006
    Assignee: Stain Eraser, Inc.
    Inventor: Roy J. Walters
  • Method of cleaning tile grout
    Publication number: 20040014409
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Application
    Filed: July 14, 2003
    Publication date: January 22, 2004
    Inventor: Roy J. Walters
  • Method of cleaning tile grout
    Patent number: 6592432
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: July 15, 2003
    Assignee: StainEraser, Inc.
    Inventor: Roy J. Walters
  • Method of cleaning tile grout
    Publication number: 20020096462
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Application
    Filed: March 28, 2002
    Publication date: July 25, 2002
    Inventor: Roy J. Walters
  • Method of cleaning tile grout
    Patent number: 6379471
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: April 30, 2002
    Inventor: Roy J. Walters
  • Tile grout cleaner and method of making and using the same
    Publication number: 20010012824
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Application
    Filed: January 26, 2001
    Publication date: August 9, 2001
    Inventor: Roy J. Walters
  • Device for removing stains from swimming pool walls and concrete and the method of making the same
    Patent number: 6180588
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: January 30, 2001
    Assignee: Tracey Dalton
    Inventor: Roy J. Walters
  • Device for removing stains
    Patent number: 6003505
    Abstract: A cleaning tool for cleaning vinyl or acrylic type items, such as swimming pools or hot tubs. An aggregate and a binder are mixed together to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: December 21, 1999
    Assignee: Ralph Dalton
    Inventors: Ralph Dalton, Roy J. Walters
  • Device for removing stains from swimming pool walls and concrete
    Patent number: 5908350
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: June 1, 1999
    Assignee: Ralph Dalton
    Inventor: Roy J. Walters