Patents Assigned to Thetford Corporation
  • Publication number: 20090092505
    Abstract: A pump assembly includes a housing defining a working chamber, a water pump chamber and a waste pump chamber. A first diaphragm separates the water pump chamber and the working chamber. A second diaphragm separates the waste pump chamber and the working chamber. A common driver member interconnects the first diaphragm and the second diaphragm. Movement of the driven member to a first position creates a positive pressure in the water pump chamber and a negative pressure in the waste pump chamber. Movement of the driven member to a second position creates a negative pressure in the water pump chamber and a positive pressure in the waste pump chamber.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 9, 2009
    Applicant: THETFORD CORPORATION, A DELAWARE CORPORATION
    Inventors: William R. Cohoon, George Grech, Steven A. Meyer
  • Patent number: 7350886
    Abstract: A refrigerator storage bin includes a main body portion and a cover. The main body portion defines a bin storage area. The cover selectively provides access to the bin storage area. The cover is pivotally attached to a sidewalk of a cabinet of the refrigerator for rotation about a pivot axis between an opened position and a closed position. The cover and main body portion include cooperating surfaces that articulate to cover from the closed position to the open position in response to translation of the main body portion from a first position to a second position.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: April 1, 2008
    Assignee: Thetford Corporation
    Inventors: John M. Antos, Wilco Wessels
  • Publication number: 20080067910
    Abstract: A retention system for a shelf of a refrigerator includes a retainer member and at least one connector member. The retainer member may extend between the first and second lateral sides of the shelf and may include a central portion positionable above the shelf. The at least one connector member may connect the retainer member to the shelf. The at least one connector member may include a locking mechanism for securing the retainer member at various points along a length of at least one of the lateral sides of the shelf.
    Type: Application
    Filed: September 14, 2007
    Publication date: March 20, 2008
    Applicant: THETFORD CORPORATION
    Inventor: James C. Butler
  • Publication number: 20080047053
    Abstract: A reduced water consumption flush toilet for a motor vehicle includes a bowl assembly, a waste ball valve assembly and a water valve assembly. The bowl assembly defines a bowl and a discharge opening at a lower end of the bowl. The waste ball valve assembly is mounted to the flush toilet for selectively opening and closing the discharge opening of the bowl assembly. The water valve assembly delivers a source of flush water to the bowl. The water valve assembly includes a water valve operable in a water valve open condition and a water valve closed condition. The flush toilet further includes a common actuator for controlling both the waste ball valve assembly and the water valve assembly.
    Type: Application
    Filed: November 26, 2003
    Publication date: February 28, 2008
    Applicant: THETFORD CORPORATION
    Inventors: George Grech, Michael Fritz, Michael Harris, Jason Smith, Steve Meyer, Craig Karagitz, Eric Krupp, Brian Kelly
  • Publication number: 20080007085
    Abstract: A frame for a vehicle opening and associated method of manufacturing. The frame can include straight segments interconnected by corner segments. The method includes forming the straight segments, heating at least end portions the straight segments, and bonding the corner segments between adjacent straight segments.
    Type: Application
    Filed: June 7, 2006
    Publication date: January 10, 2008
    Applicant: Thetford Corporation
    Inventors: Joachim Gloerfeld, Gerard Rijn
  • Patent number: 7293298
    Abstract: A self-contained sanitary system for a vehicle includes a toilet with a flush tank for storing a source of flush water. The system further includes a spout in fluid communication with the flush tank. The spout has a first open end coupled to the flush tank and a second open end. The spout is coupled for rotation about a generally vertical axis between a stowed position and an access position. The second end is rotatable relative to the first end about a generally horizontal axis between a fill position and a drainage position. The system further includes a bench and a holding tank. The holding tank is removably associated with the toilet and includes a pair of wheels and a retractable handle.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: November 13, 2007
    Assignee: Thetford Corporation
    Inventors: David B. Cameron, Frank Schagen, Carrie E. Hall, Michael B. Fritz
  • Publication number: 20070240772
    Abstract: A valve assembly may include a valve body having a main body portion and a mounting portion. The main body portion may include a perimeter, a first side and a second side. The first side may define a sealing portion extending proximate to and substantially around the perimeter. The sealing portion may mate with a valve seat. The second side of the main body portion may be convexly curved. The valve body may disposed within a flow path define by one or more conduits. The flow path may have at least a portion with a generally circular cross-section having a radius. The first side may mate with a valve seat. The main body portion may be moveable within the flow path relative to the valve seat between an open position and a closed position.
    Type: Application
    Filed: April 13, 2006
    Publication date: October 18, 2007
    Applicant: Thetford Corporation
    Inventor: Sheryar Durrani
  • Publication number: 20070240255
    Abstract: A macerator toilet comprising a toilet body include a bowl portion and a base portion, the base portion defining a chamber and a macerator unit in fluid communication with the bowl portion, the macerator unit completely disposed in the chamber and operative for macerating a waste received from the bowl unit and pump the waste from the macerator toilet.
    Type: Application
    Filed: April 9, 2007
    Publication date: October 18, 2007
    Applicant: THETFORD CORPORATION
    Inventor: George GRECH
  • Publication number: 20070144204
    Abstract: An absorption refrigerator includes a cabinet defining an interior space. The interior space defines a first section, a second section, and a third section. The third section is in fluid communication with the second section and is indirectly cooled by the cool air in the second section. The third section has an operating temperature higher than that of the second section. An internal freezer door is provided inside the cabinet for closing the first section.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 28, 2007
    Applicant: THETFORD CORPORATION
    Inventors: Stephane CORDEILLE, Patrick DONDERS, Louis VAN EIL
  • Patent number: 7097213
    Abstract: A latching arrangement for a refrigerator door includes a striker unit, a first latch arm and a second latch arm. The striker unit is secured to a cabinet of the refrigerator. The first latch arm is interconnected to the door for pivotal movement about a generally horizontal axis between a latched position and an unlatched position. In the latched position, the first arm releasably engages a first striker portion of the striker unit. The second latch arm is interconnected to the door for pivotal movement about a generally vertical axis between a latched position and an unlatched position. In the latched position, the second latch arm releasably engages a second striker portion of the striker unit.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: August 29, 2006
    Assignee: Thetford Corporation
    Inventors: John M Antos, James C Butler
  • Patent number: 7055920
    Abstract: A refrigerator cabinet includes an interior liner, an exterior cabinet and a breaker assembly. The breaker assembly connects the interior liner and the exterior cabinet and maintains a space therebetween. The breaker assembly includes a first breaker strip. The first breaker strip has a forward leg, a side leg, and a clip portion. The side leg extends from the forward leg and is oriented substantially perpendicular to the forward leg. The clip portion is carried by the forward leg. An adjacent side surface of the exterior cabinet is defined by a sheet of cardboard. The cardboard is captured between the side leg and the clip portion.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: June 6, 2006
    Assignee: Thetford Corporation
    Inventors: David W. Leistner, Richard D. Roberts
  • Patent number: 6871361
    Abstract: A flush toilet having two nozzles located within its bowl. The two nozzles being oriented in opposite directions and alternately providing pulses of flush water into and around the bowl.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: March 29, 2005
    Assignee: Thetford Corporation
    Inventors: George Grech, John E. Hammond, James Kenneth Miller
  • Patent number: 6827410
    Abstract: A door assembly for a refrigerator having a cabinet with a cabinet opening, a cabinet height and a cabinet width includes a main body portion and a cap portion. The main body portion has a door height and a door width generally corresponding in size to the cabinet height and the cabinet width, respectively. The cap portion is secured to and upwardly extends from the main body portion. The cap is configured to substantially cover a plurality of control elements upwardly extending from the cabinet when the door assembly is articulated to a closed position.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: December 7, 2004
    Assignee: Thetford Corporation
    Inventors: John M. Antos, James C. Butler
  • Patent number: D513429
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: January 3, 2006
    Assignee: Thetford Corporation
    Inventor: Michael B. Fritz
  • Patent number: D536076
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: January 30, 2007
    Assignee: Thetford Corporation
    Inventors: Dan Delaney, Greg Exner, Michael B. Fritz, George Grech, Jason Smith
  • Patent number: D537151
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: February 20, 2007
    Assignee: Thetford Corporation
    Inventors: Mark Good, Jason Smith, George Grech
  • Patent number: D539397
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: March 27, 2007
    Assignee: Thetford Corporation
    Inventor: Michael B. Fritz
  • Patent number: D564618
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: March 18, 2008
    Assignee: Thetford Corporation
    Inventors: Mark D. Good, Kenneth Hall, Sheryar Durrani
  • Patent number: D579533
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: October 28, 2008
    Assignee: Thetford Corporation
    Inventors: Thomas Cornille, Alessio Presti
  • Patent number: D583031
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: December 16, 2008
    Assignee: Thetford Corporation
    Inventors: Mark D. Good, Brian Kelly, Michael Juska