Patents by Inventor Pär Wikberg

Pär Wikberg 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: 11969685
    Abstract: A disposable air filter unit for filtering air intake to an internal combustion engine forms a cylindrical sleeve about a central axis, and has an outer sleeve surface for receiving unfiltered air and an inner sleeve surface for output of filtered air. The disposable air filter unit includes a pleated filter component and a bioplastic reinforcement structure arranged at the pleated filter component. An air cleaner assembly includes a disposable air filter unit and a reusable carrier structure on which the air filter unit is removably arranged. The disposable air filter unit forms a sleeve about a central axis extending axially between a first end surface and a second end surface. The reusable carrier structure includes a receiving member for receiving the first end surface of the air filter unit and a sealing member arranged at the receiving member to contact the first end surface of the air filter unit.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: April 30, 2024
    Assignee: Volvo Truck Corporation
    Inventors: Carl Löwstedt, Pär Wikberg, Leo Ekbom
  • Publication number: 20210260515
    Abstract: A disposable air filter unit for filtering air intake to an internal combustion engine forms a cylindrical sleeve about a central axis, and has an outer sleeve surface for receiving unfiltered air and an inner sleeve surface for output of filtered air. The disposable air filter unit includes a pleated filter component and a bioplastic reinforcement structure arranged at the pleated filter component. An air cleaner assembly includes a disposable air filter unit and a reusable carrier structure on which the air filter unit is removably arranged. The disposable air filter unit forms a sleeve about a central axis extending axially between a first end surface and a second end surface. The reusable carrier structure includes a receiving member for receiving the first end surface of the air filter unit and a sealing member arranged at the receiving member to contact the first end surface of the air filter unit.
    Type: Application
    Filed: June 11, 2018
    Publication date: August 26, 2021
    Inventors: Carl Löwstedt, Pär Wikberg, Leo Ekbom