Patents by Inventor Edwin Emiel ROSKAM

Edwin Emiel ROSKAM 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: 11098728
    Abstract: An impeller includes a central, shaft or a tube for mounting on a shaft, a hollow hub is located around the shaft or tube, and a series of blades are attached to the outside of the hub by their bases. A reinforcing rib is provided for each blade, and extends on the shaft or tube in a radial direction and forms a facial connection between the shaft or tube and the inside of the hub at a position opposite the attachment of the base of a blade concerned.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: August 24, 2021
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Aleksandr Pulnikov, Edwin Emiel Roskam
  • Publication number: 20180051709
    Abstract: An impeller includes a central, shaft or a tube for mounting on a shaft, a hollow hub is located around the shaft or tube, and a series of blades are attached to the outside of the hub by their bases.
    Type: Application
    Filed: February 1, 2016
    Publication date: February 22, 2018
    Applicant: Atlas Copco Airpower, Naamloze Vennootschap
    Inventors: Aleksandr PULNIKOV, Edwin Emiel ROSKAM