Patents by Inventor Andre Carlos de Azevedo Valle

Andre Carlos de Azevedo Valle 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).

  • TRACEABLE GASKET AND COMPRESSION PACKING MATERIAL
    Publication number: 20230160471
    Abstract: A material that includes traceable particles that retain information about the fabrication of the material, which can be used to trace the origin thereof. The material may form gaskets, which are used to seal flanged joints in the food and beverage industry, and compression packings, which are used for sealing near valve stems, pump shafts, and similar machines.
    Type: Application
    Filed: January 24, 2023
    Publication date: May 25, 2023
    Inventors: Carlos Daniel Braga Girao BARROSO, Christopher Louis DAY, Jose Carlos Carvalho VEIGA, Josmar Baruffaldi CRISTELLO, Robert Adam RIGGS, André Carlos de Azevedo VALLE
  • Spiral-wound PTFE gasket and methods of manufacture
    Patent number: 9701058
    Abstract: A method of manufacturing a spiral-wound PTFE gasket includes winding a laminated PTFE tape (300) around a shaft (305) that has an outer diameter that coincides with the gasket inner diameter to create a PTFE cylinder (315) having an outer diameter that coincides with the gasket outer diameter; sintering the PTFE cylinder (315); and removing a radial segment of the PTFE cylinder (315) to form the gasket (100), the radial segment having a thickness that coincides with the gasket thickness.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: July 11, 2017
    Assignee: TEADIT N.A., INC.
    Inventors: Andre Carlos de Azevedo Valle, Jose Antonio de Almeida Neto, Jose Carlos Carvalho Veiga
  • SPIRAL-WOUND PTFE GASKET AND METHODS OF MANUFACTURE
    Publication number: 20170080631
    Abstract: A method of manufacturing a spiral-wound PTFE gasket includes winding a laminated PTFE tape (300) around a shaft (305) that has an outer diameter that coincides with the gasket inner diameter to create a PTFE cylinder (315) having an outer diameter that coincides with the gasket outer diameter; sintering the PTFE cylinder (315); and removing a radial segment of the PTFE cylinder (315) to form the gasket (100), the radial segment having a thickness that coincides with the gasket thickness.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 23, 2017
    Inventors: Andre Carlos de Azevedo Valle, Jose Antonio de Almeida Neto, Jose Carlos Carvalho Veiga