Patents by Inventor David LIPKA

David LIPKA 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).

  • Vehicle door assembly
    Patent number: 12077038
    Abstract: A vehicle door assembly includes a vehicle body structure, a first door, a second door and a support assembly. The vehicle body structure has a wall portion that defines a door opening. The support assembly is fixed to the wall portion proximate the door opening and has at least one pair of tracks with door support devices and a motorized door mechanism. The door support devices independently support the first door and the second door for movement along the at least one pair of tracks and the motorized door mechanism is configured to raise and lower the door support devices along with the first door and the second door from respective closed orientations covering corresponding sections of the door opening and open orientations exposing the corresponding sections of the door opening.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 3, 2024
    Assignee: Nissan North America, Inc.
    Inventors: Craig Delay, James Iwanski, Mitsuyasu Hikosaka, David Lipka
  • VEHICLE DOOR ASSEMBLY
    Publication number: 20230191884
    Abstract: A vehicle door assembly includes a vehicle body structure, a first door, a second door and a support assembly. The vehicle body structure has a wall portion that defines a door opening. The support assembly is fixed to the wall portion proximate the door opening and has at least one pair of tracks with door support devices and a motorized door mechanism. The door support devices independently support the first door and the second door for movement along the at least one pair of tracks and the motorized door mechanism is configured to raise and lower the door support devices along with the first door and the second door from respective closed orientations covering corresponding sections of the door opening and open orientations exposing the corresponding sections of the door opening.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 22, 2023
    Inventors: Craig DELAY, James IWANSKI, Mitsuyasu HIKOSAKA, David LIPKA