Patents by Inventor Daniel D. Duarte

Daniel D. Duarte 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).

  • Vertical counter-flow immersion freezer
    Patent number: 9933197
    Abstract: A product is chilled or at least partially frozen by descending against a counter-current flow of liquid nitrogen in a vertical freezer containing an immersion bath of liquid nitrogen and the chilled or at least partially frozen product is extracted from the bath. The product may optionally be a liquid, semi-solid, suspension or slurry.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: April 3, 2018
    Assignee: AIr Liquide Canada, Inc.
    Inventors: Daniel D. Duarte, Candice John, Stephanie Mortenson
  • VERTICAL COUNTER-FLOW IMMERSION FREEZER
    Publication number: 20150184915
    Abstract: A product is chilled or at least partially frozen by descending against a counter-current flow of liquid nitrogen in a vertical freezer containing an immersion bath of liquid nitrogen.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 2, 2015
    Applicant: Air Liquide Canada, Inc.
    Inventors: Daniel D. DUARTE, Candice John, Stephanie Mortenson
  • Method to inhibit scale formation in cooling circuits using carbon dioxide
    Patent number: 8524088
    Abstract: Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+concentration.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: September 3, 2013
    Assignee: American Air Liquide, Inc.
    Inventors: Jeffrey E. Arbogast, Meenakshi Sundaram, Daniel D. Duarte
  • METHOD TO INHIBIT SCALE FORMATION IN COOLING CIRCUITS USING CARBON DIOXIDE
    Publication number: 20130026105
    Abstract: Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+ concentration.
    Type: Application
    Filed: October 1, 2012
    Publication date: January 31, 2013
    Applicant: American Air Liquide, Inc.
    Inventors: Daniel D. DUARTE, Meenakshi Sundaram, Jeffrey E. Arbogast
  • METHOD TO INHIBIT SCALE FORMATION IN COOLING CIRCUITS USING CARBON DIOXIDE
    Publication number: 20120168358
    Abstract: Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+ concentration.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Applicant: American Air Liquide, Inc.
    Inventors: Daniel D. DUARTE, Meenakshi Sundaram, Jeffrey E. Arbogast
  • Method to inhibit scale formation in cooling circuits using carbon dioxide
    Patent number: 8153010
    Abstract: Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+ concentration.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: April 10, 2012
    Assignee: American Air Liquide, Inc.
    Inventors: Daniel D. Duarte, Meenakshi Sundaram, Jeffrey E. Arbogast
  • Method to Inhibit Scale Formation in Cooling Circuits Using Carbon Dioxide
    Publication number: 20100176060
    Abstract: Scaling is controlled in a cooling water system with CO2 based upon measurements of the cooling water's pH, alkalinity and Ca2+ concentration.
    Type: Application
    Filed: January 12, 2009
    Publication date: July 15, 2010
    Inventors: Daniel D. DUARTE, Meenakshi SUNDARAM, Jeffrey E. Arbogast