Patents by Inventor Stefano Tavolazzi

Stefano Tavolazzi 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: 9440837
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: September 13, 2016
    Assignee: Whirlpool Corporation
    Inventor: Stefano Tavolazzi
  • Publication number: 20150097003
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Application
    Filed: December 16, 2014
    Publication date: April 9, 2015
    Applicant: WHIRLPOOL CORPORATION
    Inventor: STEFANO TAVOLAZZI
  • Patent number: 8925763
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: January 6, 2015
    Assignee: Whirlpool Corporation
    Inventor: Stefano Tavolazzi
  • Publication number: 20140144931
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Application
    Filed: January 30, 2014
    Publication date: May 29, 2014
    Applicant: WHIRLPOOL CORPORATION
    Inventor: STEFANO TAVOLAZZI
  • Patent number: 8657161
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: February 25, 2014
    Assignee: Whirlpool Corporation
    Inventor: Stefano Tavolazzi
  • Patent number: 8365959
    Abstract: A drink dispensing tap water dispenser, kit and method of converting a tap water dispenser to a drink dispenser is disclosed. The dispenser includes an adaptor having a central body portion connectable inline to a domestic tap water dispenser. A dispensing nozzle is supported by the central body portion of the adaptor and includes at least one liquid connection to a liquid source for dispensing liquid separate from the tap water dispenser.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: February 5, 2013
    Assignee: Whirlpool Corporation
    Inventor: Stefano Tavolazzi
  • Publication number: 20130015199
    Abstract: A beverages dispenser, particularly for carbonated beverages, comprises a cooled tank where beverage is stored, an inlet pipe to the tank, an inlet valve on the inlet pipe, a pump downstream the inlet valve for feeding a beverage to the tank in order to maintain a predetermined level wherein, an outlet pipe from the tank to a beverage dispensing nozzle, and an outlet valve on the outlet conduit. An auxiliary pipe is disposed between the inlet pipe downstream the inlet valve and the outlet pipe downstream the outlet valve and a control unit is adapted to close the inlet valve and to run the pump in order to empty the outlet pipe into the tank after the beverage is dispensed in order to prevent dripping.
    Type: Application
    Filed: June 14, 2012
    Publication date: January 17, 2013
    Applicant: WHIRLPOOL CORPORATION
    Inventor: Stefano TAVOLAZZI
  • Patent number: 7967279
    Abstract: The present invention relates to a carbonator device for use in refrigeration appliances and beverage distributors having a reservoir that has a tank portion and a lid portion and a plurality of connections for technical components provided on the lid portion. The reservoir is supplied with water and carbon dioxide and the technical components allow for a variety of water dispensing options.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: June 28, 2011
    Assignee: Whirlpool Corporation
    Inventors: Silvano Monti, Stefano Tavolazzi, Ferruccio Barzizza
  • Patent number: 7814763
    Abstract: A refrigeration appliance includes at least one water reservoir and a piping system connecting the water reservoir to a water dispenser and device for maintaining the water reservoir at a predetermined temperature. The piping system is designed for allowing a recirculation of water from and to the water reservoir in order to assure that the water delivered by the dispenser is at the correct temperature.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: October 19, 2010
    Assignee: Whirlpool Corporation
    Inventors: Stefano Tavolazzi, Lorenzo Bianchi
  • Patent number: 7438285
    Abstract: A refrigerator incorporating in its door a water dispenser within a compartment present on the outside of the door, the dispenser being connected to a water container of given capacity carried by the door and provided to enable the contained water to be carbonated via a connection to a cylinder that contains the carbonating gas and is also disposed in the door.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: October 21, 2008
    Assignee: Whirlpool Corporation
    Inventors: Marco Maritan, Stefano Tavolazzi
  • Publication number: 20080217358
    Abstract: A device suitable for dispensing drinks and the like, in particular one that can be used on kitchen sinks and worktops, comprises a cylindrical central body provided with a dispensing nozzle, a device for controlling dispensing and/or mixing, and at least one connection to a source of drinks. The central body of the device provides for a ring-type portion that can be connected to the stem of an ordinary tap system for dispensing water existing on the sink or worktop.
    Type: Application
    Filed: February 15, 2008
    Publication date: September 11, 2008
    Applicant: WHIRLPOOL CORPORATION
    Inventor: STEFANO TAVOLAZZI
  • Publication number: 20080087036
    Abstract: A refrigeration appliance comprises at least one water reservoir and a piping system connecting the water reservoir to a water dispenser and means for maintaining the water reservoir at a predetermined temperature. The piping system is designed for allowing a recirculation of water from and to the water reservoir in order to assure that the water delivered by the dispenser is at the correct temperature.
    Type: Application
    Filed: October 10, 2007
    Publication date: April 17, 2008
    Applicant: WHIRLPOOL CORPORATION
    Inventors: Stefano Tavolazzi, Lorenzo Bianchi
  • Publication number: 20080012158
    Abstract: The present invention relates to a carbonator device for use in refrigeration appliances and beverage distributors having a reservoir that has a tank portion and a lid portion and a plurality of connections for technical components provided on the lid portion. The reservoir is supplied with water and carbon dioxide and the technical components allow for a variety of water dispensing options.
    Type: Application
    Filed: July 11, 2007
    Publication date: January 17, 2008
    Applicant: WHIRLPOOL CORPORATION
    Inventors: SILVANO MONTI, STEFANO TAVOLAZZI, FERRUCCIO BARZIZZA
  • Publication number: 20060086136
    Abstract: A refrigerator incorporating in its door a water dispenser within a compartment present on the outside of the door, the dispenser being connected to a water container of given capacity carried by the door and provided to enable the contained water to be carbonated via a connection to a cylinder contains the carbonating gas and is also disposed in the door.
    Type: Application
    Filed: April 10, 2003
    Publication date: April 27, 2006
    Inventors: Marco Maritan, Stefano Tavolazzi
  • Patent number: 6584786
    Abstract: A food preservation refrigerator such as an upright refrigerator or a chest freezer comprises at least one food preservation compartment on which at least one corresponding closure member is provided, said refrigerator comprising a refrigeration circuit, driver means for controlling the operation of this latter and means for controlling the operation of any accessory user items provided in the refrigerator, such as an ice producer, ice cream maker or the like, said control means being associated with a user interface; this latter is positioned on the closure member. Remote connection means are provided to enable said driver means positioned on the user interface to control the various refrigerator components.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: July 1, 2003
    Inventor: Stefano Tavolazzi
  • Publication number: 20010039805
    Abstract: A food preservation refrigerator such as an upright refrigerator or a chest freezer comprises at least one food preservation compartment on which at least one corresponding closure member is provided, said refrigerator comprising a refrigeration circuit, driver means for controlling the operation of this latter and means for controlling the operation of any accessory user items provided in the refrigerator, such as an ice producer, ice cream maker or the like, said control means being associated with a user interface; this latter is positioned on the closure member. Remote connection means are provided to enable said driver means positioned on the user interface to control the various refrigerator components.
    Type: Application
    Filed: April 26, 2001
    Publication date: November 15, 2001
    Inventor: Stefano Tavolazzi
  • Patent number: 6266969
    Abstract: A device for rapidly defrosting a refrigerator compartment, such as a freezer compartment or the like, said compartment comprising a plurality of adjacent walls, in correspondence with at least one of said walls there being arranged a hairpin coil evaporator for a static refrigerator, or a part of an evaporator of forced-air type, within a refrigeration circuit comprising a motor-compressor unit, said device comprising heating means arranged in correspondence with at least one of said walls and/or with the evaporator, said heating means being electrically powered via an electrical supply circuit associated with the refrigerator; the heating means are at least one resistance element of PTF (polymer thin/thick film) type.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: July 31, 2001
    Assignee: Whirlpool Corporation
    Inventors: Roberto Malnati, Stefano Tavolazzi, Luigi Sessa, Paolo Sicher, Salvatore De Caprio, Silvano Monti, Daniele Ragazzon, Valerio Bresolin