Patents by Inventor Isaac Lopez Higuera

Isaac Lopez Higuera 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).

  • Containment or separation seal
    Patent number: 11692556
    Abstract: A seal includes a mating ring that rotates relative to a carbon primary ring at a seal interface. A buffer gas is provided into the seal and passes from the back of the primary ring to the seal interface. The seal can be used as a separation seal or in combination with another seal.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: July 4, 2023
    Assignee: JOHN CRANE UK LIMITED
    Inventors: Inderpal Singh Sihra, Isaac Lopez Higuera, Aidan James Nicholls
  • Porous carbon containment or separation seal
    Patent number: 11506217
    Abstract: A seal includes a mating ring that rotates relative to a porous carbon primary ring at a seal interface. A buffer gas is provided into the seal and passes from the back of the primary ring to the seal interface. The seal can be used as a separation seal or in combination with another seal.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: November 22, 2022
    Assignee: JOHN CRANE UK LIMITED
    Inventors: Inderpal Singh Sihra, Isaac Lopez Higuera, Aidaan James Nicholls
  • CONTAINMENT OR SEPARATION SEAL
    Publication number: 20220307514
    Abstract: A seal includes a mating ring that rotates relative to a carbon primary ring at a seal interface. A buffer gas is provided into the seal and passes from the back of the primary ring to the seal interface. The seal can be used as a separation seal or in combination with another seal.
    Type: Application
    Filed: June 15, 2022
    Publication date: September 29, 2022
    Inventors: Inderpal Singh Sihra, Isaac Lopez Higuera, Aidaan James Nicholls
  • POROUS CARBON CONTAINMENT OR SEPARATION SEAL
    Publication number: 20210222701
    Abstract: A seal includes a mating ring that rotates relative to a porous carbon primary ring at a seal interface. A buffer gas is provided into the seal and passes from the back of the primary ring to the seal interface. The seal can be used as a separation seal or in combination with another seal.
    Type: Application
    Filed: January 20, 2021
    Publication date: July 22, 2021
    Inventors: Inderpal Singh Sihra, Isaac Lopez Higuera, Aidaan James Nicholls