Patents by Inventor Daniel G. Giddings

Daniel G. Giddings 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).

  • Patent number: 7967914
    Abstract: An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: June 28, 2011
    Assignee: Tennant Company
    Inventors: Daniel G. Giddings, Frederick A. Hekman, Richard W. Wellens, Larry D. Wydra
  • Publication number: 20090293912
    Abstract: An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 3, 2009
    Applicant: TENNANT COMPANY
    Inventors: Daniel G. Giddings, Frederick A. Hekman, Richard W. Wellens, Larry D. Wydra
  • Publication number: 20040172769
    Abstract: An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
    Type: Application
    Filed: November 10, 2003
    Publication date: September 9, 2004
    Inventors: Daniel G. Giddings, Frederick A. Hekman, Richard W. Wellens, Larry D. Wydra
  • Patent number: 6662402
    Abstract: An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: December 16, 2003
    Assignee: Tennant Company
    Inventors: Daniel G. Giddings, Richard W. Wellens, Larry D. Wydra
  • Publication number: 20020194692
    Abstract: An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
    Type: Application
    Filed: February 22, 2002
    Publication date: December 26, 2002
    Inventors: Daniel G. Giddings, Richard W. Wellens, Larry D. Wydra
  • Publication number: 20020116783
    Abstract: A cleaning assembly for cleaning surfaces includes a tank and motor housing with a fluid pump assembly, a blower assembly and a vacuum assembly located within the tank and motor housing. The tank and motor housing is adapted to contain a fluid. The fluid pump assembly includes a pump motor configured to pump the fluid in the tank and motor housing through a sprayer hose and onto the surfaces. The blower assembly includes a blower motor configured to blow air through a blower hose and onto the surfaces for directing movement of the fluid on the surfaces. The vacuum assembly includes a recovery tank and a vacuum motor configured to vacuum the fluid with the vacuum motor off of the surfaces, through a separate vacuum hose and into the recovery tank for cleaning the surfaces.
    Type: Application
    Filed: February 6, 2001
    Publication date: August 29, 2002
    Inventors: Daniel G. Giddings, Richard A. Diekema
  • Patent number: 6425958
    Abstract: A cleaning assembly for cleaning surfaces includes a tank and motor housing with a fluid pump assembly, a blower assembly and a vacuum assembly located within the tank and motor housing. The tank and motor housing is adapted to contain a fluid. The fluid pump assembly includes a pump motor configured to pump the fluid in the tank and motor housing through a sprayer hose and onto the surfaces. The blower assembly includes a blower motor configured to blow air through a blower hose and onto the surfaces for directing movement of the fluid on the surfaces. The vacuum assembly includes a recovery tank and a vacuum motor configured to vacuum the fluid with the vacuum motor off of the surfaces, through a separate vacuum hose and into the recovery tank for cleaning the surfaces.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: July 30, 2002
    Assignee: Tennant Company
    Inventors: Daniel G. Giddings, Richard A. Diekema
  • Patent number: 6115880
    Abstract: A floor cleaner comprising a base and a filter bag housing, the filter bag housing having a bag cavity which has an undulated inner wall for receiving a filter bag, the undulated wall having a plurality of elongated protrusions and adjacent intermediate elongated air flow recesses. A smooth outer wall is spaced from the inner wall.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: September 12, 2000
    Assignee: Castex Incorporated
    Inventors: Richard F. Wulff, Daniel G. Giddings
  • Patent number: 6085383
    Abstract: A vacuum cleaner comprising a housing having an elongated transverse brush cavity with an elongated cylindrical brush therein, a duct having an air flow nozzle adjacent the brush cavity for receiving dirt-entrained air from the brush cavity, a vacuum motor operably associated with the duct and nozzle to draw dirt-entrained air through the nozzle and duct, and the brush cavity having a wrap configuration geometry over the brush including an elongated reflective ledge angled laterally upwardly toward the nozzle.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: July 11, 2000
    Assignee: Castex Incorporated
    Inventors: Richard F. Wulff, Nilabh Narayan, Daniel G. Giddings, Dick Mason