Patents Assigned to PTUBES, INC.
  • Pipe for conveying fluids in HVACR systems
    Patent number: 12352379
    Abstract: The present invention relates to a composite coating for an inner tube delimiting a passageway for a fluid for obtaining a pipe for conveying fluids in HVACR systems.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: July 8, 2025
    Assignee: PTUBES, INC.
    Inventor: Nicola Pilone
  • Pipe for conveying fluids in HVACR systems
    Patent number: 11828404
    Abstract: The present invention relates to a composite coating for an inner tube delimiting a passageway for a fluid for obtaining a pipe for conveying fluids in HVACR systems.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: November 28, 2023
    Assignee: PTUBES, INC.
    Inventor: Nicola Pilone
  • HVACR pipe
    Patent number: 11566729
    Abstract: The present invention relates to a pipe suitable for conveying fluids in HVACR applications, which pipe comprises an inner tube delimiting an inner space or passageway for a fluid, an insulating cover and an anti-corrosion layer.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: January 31, 2023
    Assignee: PTUBES, INC.
    Inventor: Nicola Pilone