Patents by Inventor Marta HADLO

Marta HADLO 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: 11927223
    Abstract: A Woodruff key system includes a rotatable shaft having a keyseat defined therein. The keyseat includes a pocket engaged with the Woodruff key, a first keyseat extension extending in a first axial direction from the Woodruff key relative to the shaft, and a second keyseat extension extending in a second axial direction opposite the first axial direction from the Woodruff key relative to the shaft. Respective depths of the first and second keyseat extensions are less than a depth of the pocket of the keyseat.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: March 12, 2024
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Marta Hadlo, Mateusz Kesek, Maciej Piotrowski
  • Publication number: 20220275837
    Abstract: Woodruff key coupling systems for torque transmission are provided. An example Woodruff key system includes a rotatable shaft having a keyseat defined therein. The keyseat includes a pocket engaged with the Woodruff key, a first keyseat extension extending in a first axial direction from the Woodruff key relative to the shaft, and a second keyseat extension extending in a second axial direction opposite the first axial direction from the Woodruff key relative to the shaft. Respective depths of the first and second keyseat extensions are less than a depth of the pocket of the keyseat.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 1, 2022
    Inventors: Marta HADLO, Mateusz KESEK, Maciej PIOTROWSKI