Patents by Inventor Larry D. Maddux

Larry D. Maddux 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: 6173458
    Abstract: A portable sink having a sink module and a hot and cold water outlet connected to a spigot and a used water outlet from said sink connected to a cabinet mounted on wheels having at least one door to access the interior thereof. At least one tank for fresh water and a reservoir for used water is mounted in the cabinet. An electrical connection for powering a pump and a heater connected to the outlet of the pump has an outlet connected to the hot water outlet and a connection from the pump to the cold water outlet. A hammer arrester diminishes line surges and fluidic pounding from the pump, and a flow check valve prevents back flow to the fresh water tank.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: January 16, 2001
    Assignee: Cambro Manufacturing Company
    Inventor: Larry D. Maddux
  • Patent number: 5743602
    Abstract: A portable bar having a sink disposed therein having a base member having a central opening with a trough disposed peripherally around the opening. A cold plate is sealed against a side wall of the trough within the sink opening. The cold plate is formed of a heat transfer material such as a metal formed into at least one major surface and has a plurality of internal channels for circulation of fluid to be cooled. A peripheral flange surrounding the cold plate has a unique inwardly angled leading edge and an outwardly angled trailing edge for sealing to the trough of the sink.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: April 28, 1998
    Assignee: Cambro Manufacturing Company
    Inventors: Larry D. Maddux, Jeff Nicholson, Fred Windisch
  • Patent number: 5551774
    Abstract: A food bar is formed of a double walled, insulated open chamber and a support grid disposed within the chamber. The support grid is formed of divider bars and cross rails arranged in a pattern across the open chamber of the food bar to divide the opening into compartments for support of food containers and panel inserts. The divider bars have a substantially U-shaped cross section and have spaced apart openings along the top. The cross rails have a substantially U-shaped cross section and have ends which terminate in a downward flange adapted to be received in the openings of the divider bar. A clear panel of material is preferably suspended above the food bar to act as a "sneeze bar".
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: September 3, 1996
    Assignee: Cambro Manufacturing Company
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: 5462299
    Abstract: A movable cart comprising a base member having a generally rectangular shape supported on a plurality of swivel casters and having two sidewalls joined to a rear wall, and including channels disposed within the base member and/or the walls for accommodating one or more panels for dividing the cart into two or more compartments. The panels have a double flanged edge sized to fit into the channels of the base member and a single flange sized to fit into the channels of the walls. The panels are secured to the walls by means of a screw member which passes through the walls and is received into an internally threaded opening in the edge of the panels.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: October 31, 1995
    Assignee: Cambro Manufacturing Company
    Inventor: Larry D. Maddux
  • Patent number: D468071
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: December 31, 2002
    Assignee: Cambro Manufacturing Company
    Inventors: Johannes Le, Charles W. Jarvis, Larry D. Maddux
  • Patent number: D471400
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: March 11, 2003
    Assignee: Cambro Manufacturing Company
    Inventors: Ruane S. Jeter, Larry D. Maddux, Charles W. Jarvis
  • Patent number: D471401
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: March 11, 2003
    Assignee: Cambro Manufacturing Company
    Inventors: Ruane S. Jeter, Larry D. Maddux, Charles W. Jarvis
  • Patent number: D355517
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: February 14, 1995
    Assignee: Cambro Manufacturing Co.
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: D362101
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: September 5, 1995
    Assignee: Cambro Manufacturing Company
    Inventors: Larry D. Maddux, Argyle Campbell
  • Patent number: D362102
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: September 5, 1995
    Assignee: Cambro Manufacturing Company
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: D364764
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: December 5, 1995
    Assignee: Cambro Manufacturing Company
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: D366581
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: January 30, 1996
    Assignee: Cambro Manufacturing Company
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: D370327
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: May 28, 1996
    Assignee: Cambro Manufacturing Company
    Inventors: Argyle Campbell, Larry D. Maddux
  • Patent number: D392158
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: March 17, 1998
    Assignee: Cambro Manufacturing Company
    Inventor: Larry D. Maddux
  • Patent number: D393128
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: March 31, 1998
    Assignee: Cambro Manufacturing Company
    Inventor: Larry D. Maddux
  • Patent number: D397289
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: August 25, 1998
    Assignee: Cambro Manufacturing Company
    Inventor: Larry D. Maddux
  • Patent number: D398727
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 22, 1998
    Assignee: Cambro Manufacturing Company
    Inventors: Larry D. Maddux, Johannes Le
  • Patent number: D409732
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: May 11, 1999
    Assignee: Cambro Manufacturing Company
    Inventors: Larry D. Maddux, John W. Goodin
  • Patent number: D411044
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: June 15, 1999
    Assignee: Cambro Manufacturing Company
    Inventors: Larry D. Maddux, John W. Goodin
  • Patent number: D424883
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: May 16, 2000
    Assignee: Cambro Manufacturing Company
    Inventors: Charles W. Jarvis, Larry D. Maddux