Patents by Inventor Catherine LANGFORD

Catherine LANGFORD 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).

  • Patent number: 12041917
    Abstract: An aquarium filter assembly includes a transfer tube to convey aquarium liquid and a pre-filter member secured to an end of the transfer tube. The pre-filter member may include a rigid porous media basket, or it may include a micron filter of pleated media.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: July 23, 2024
    Assignee: Spectrum Brands, Inc.
    Inventors: Catherine Langford, William Nathan Brunner, Jr., John Shumate, William D. Himes
  • Publication number: 20220174919
    Abstract: An aquarium filter assembly includes a transfer tube to convey aquarium liquid and a pre-filter member secured to an end of the transfer tube. The pre-filter member may include a rigid porous media basket, or it may include a micron filter of pleated media.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 9, 2022
    Applicant: Spectrum Brands, Inc.
    Inventors: Catherine LANGFORD, William Nathan BRUNNER, Jr., John SHUMATE, William D. HIMES