Patents by Inventor Marcel Lessa

Marcel Lessa 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).

  • Refrigeration appliance with a door projection to reduce thermal transfer at door and cabinet interface
    Patent number: 12398947
    Abstract: A refrigeration appliance including: (a) a cabinet that includes a vacuum-insulated structure within which a refrigeration compartment configured to hold a food item is disposed; and (b) a door that includes a vacuum-insulated door structure coupled to the cabinet, the vacuum-insulated door including (i) a gasket that forms a seal against the vacuum-insulated cabinet when the door is in a closed position and (ii) a projection inward of the gasket that projects into the refrigeration compartment and is separated from the vacuum-insulated cabinet by a gap, the gap having a shortest distance that is less than 12 mm.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: August 26, 2025
    Assignee: Whirlpool Corporation
    Inventors: John J. Burns, Jackson F. Karl, Marcel Lessa, Chad Rotter, Sanket Vivek Phalak
  • VACUUM PORT PRESSURE SENSOR COVER
    Publication number: 20250198693
    Abstract: An appliance includes an appliance cabinet defining a compartment, and an appliance door operably coupled to the appliance cabinet. The appliance door includes a trim breaker, a door wrapper, and a door liner including studs coupled thereto. The door wrapper and the door liner are coupled to the trim breaker and define an insulation cavity therebetween. An at least partial vacuum is defined in the insulation cavity. A sensor assembly and a vacuum port assembly are coupled to the door liner. A port cover coupled to the appliance door. The port cover includes a base defining openings. The base includes locking features on opposing sides of the base and stud connectors, where the locking features are configured to couple to opposing sides of the trim breaker, respectively. The stud connectors are configured to couple to the studs. A cover assembly is coupled to the base.
    Type: Application
    Filed: December 18, 2023
    Publication date: June 19, 2025
    Applicant: WHIRLPOOL CORPORATION
    Inventors: Luiz A. Ferreira, Adalberto B. Junior, Jackeline Laurindo, Marcel Lessa
  • REFRIGERATION APPLIANCE WITH A DOOR PROJECTION TO REDUCE THERMAL TRANSFER AT DOOR AND CABINET INTERFACE
    Publication number: 20250027705
    Abstract: A refrigeration appliance including: (a) a cabinet that includes a vacuum-insulated structure within which a refrigeration compartment configured to hold a food item is disposed; and (b) a door that includes a vacuum-insulated door structure coupled to the cabinet, the vacuum-insulated door including (i) a gasket that forms a seal against the vacuum-insulated cabinet when the door is in a closed position and (ii) a projection inward of the gasket that projects into the refrigeration compartment and is separated from the vacuum-insulated cabinet by a gap, the gap having a shortest distance that is less than 12 mm.
    Type: Application
    Filed: July 21, 2023
    Publication date: January 23, 2025
    Applicant: WHIRLPOOL CORPORATION
    Inventors: John J. Burns, Jackson F. Karl, Marcel Lessa, Chad Rotter, Sanket Vivek Phalak