Patents by Inventor Fred Hazlehurst

Fred Hazlehurst 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: 8186517
    Abstract: A pump for use with a fluid circulation system for a recreational water body is disclosed. The pump includes a strainer housing, an impeller housing integrally formed with respect to the strainer housing, and an impeller cover mounted with respect to the impeller housing. The strainer housing includes a top portion having an outer surface adapted to engage with a strainer housing cover for mounting the strainer housing cover with respect to the strainer housing. A plurality of cams are formed circumferentially with respect to the outer surface of the top portion of the strainer housing. The cams are configured and dimensioned to cooperate with corresponding cam members formed with respect to an inner surface of the strainer housing cover. A positioning tab is formed with respect to the top portion of the strainer housing for appropriate alignment of the strainer housing cover. A positioning notch is formed with respect to the inner surface of the strainer housing cover.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: May 29, 2012
    Assignee: Hayward Industries, Inc.
    Inventors: Joel Brent Bowman, Dwayne Emory Clark, Ronald H. Griffin, Fred Hazlehurst
  • Publication number: 20090145498
    Abstract: A pump for use with a fluid circulation system for a recreational water body is disclosed. The pump includes a strainer housing, an impeller housing integrally formed with respect to the strainer housing, and an impeller cover mounted with respect to the impeller housing. The strainer housing includes a top portion having an outer surface adapted to engage with a strainer housing cover for mounting the strainer housing cover with respect to the strainer housing. A plurality of cams are formed circumferentially with respect to the outer surface of the top portion of the strainer housing. The cams are configured and dimensioned to cooperate with corresponding cam members formed with respect to an inner surface of the strainer housing cover. A positioning tab is formed with respect to the top portion of the strainer housing for appropriate alignment of the strainer housing cover. A positioning notch is formed with respect to the inner surface of the strainer housing cover.
    Type: Application
    Filed: November 13, 2008
    Publication date: June 11, 2009
    Inventors: Joel Brent Bowman, Dwayne Emory Clark, Ronald H. Griffin, Fred Hazlehurst
  • Patent number: 7531092
    Abstract: Disclosed herein is a liquid pump for use with a fluid circulation system for a recreational water body. The liquid pump includes a strainer housing, a pump housing assembly secured to the strainer housing, and a lock ring fastened to the pump housing assembly. The pump housing assembly includes an outlet that is rotatable between a first position and a second position and further includes an annular protuberance defining an inlet. The strainer housing includes an outlet, and the annular protuberance extends through the outlet of the strainer housing into a chamber thereof. A clip is positioned within the chamber and releasably secures the annular protuberance so as to inhibit inadvertent disengagement of the strainer housing from the pump housing assembly.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: May 12, 2009
    Assignee: Hayward Industries, Inc.
    Inventor: Fred Hazlehurst
  • Publication number: 20080203009
    Abstract: Disclosed herein is a liquid pump for use with a fluid circulation system for a recreational water body. The liquid pump includes a strainer housing, a pump housing assembly secured to the strainer housing, and a lock ring fastened to the pump housing assembly. The pump housing assembly includes an outlet that is rotatable between a first position and a second position and further includes an annular protuberance defining an inlet. The strainer housing includes an outlet, and the annular protuberance extends through the outlet of the strainer housing into a chamber thereof. A clip is positioned within the chamber and releasably secures the annular protuberance so as to inhibit inadvertent disengagement of the strainer housing from the pump housing assembly.
    Type: Application
    Filed: October 18, 2007
    Publication date: August 28, 2008
    Inventor: Fred Hazlehurst
  • Publication number: 20070114168
    Abstract: Disclosed herein is a liquid pump for use with a fluid circulation system for a recreational water body. The liquid pump includes a strainer housing, a pump housing assembly secured to the strainer housing, and a lock ring fastened to the pump housing assembly. The pump housing assembly includes an outlet that is rotatable between a first position and a second position and further includes an annular protuberance defining an inlet. The strainer housing includes an outlet, and the annular protuberance extends through the outlet of the strainer housing into a chamber thereof. A clip is positioned within the chamber and releasably secures the annular protuberance so as to inhibit inadvertent disengagement of the strainer housing from the pump housing assembly.
    Type: Application
    Filed: September 29, 2006
    Publication date: May 24, 2007
    Inventor: Fred Hazlehurst
  • Patent number: D550805
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: September 11, 2007
    Assignee: H-Tech, Inc.
    Inventor: Fred Hazlehurst