Patents by Inventor Jens Drees

Jens Drees 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).

  • Piglet-protection device for a farrowing pen, and respective farrowing pen
    Patent number: 12052974
    Abstract: A piglet-protection device for a farrowing pen is equipped with a first side part, with a trough console, which is connected to the first side part, and with a second side part, which is connected to the trough console so as to be pivotable about a pivot axis. By pivoting the second side part, the piglet-protection device can be brought into a piglet-protection position, in which the second side part is arranged substantially parallel to the first side part, and into a movement position, in which the second side part is spread away from the first side part. A first door element and a second door element delimit the piglet-protection device at the rear in the piglet-protection position. The first door element and/or the second door element are arranged in a length-adjustable manner on the first and second side part, respectively.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: August 6, 2024
    Assignee: BIG DUTCHMAN INTERNATIONAL GMBH
    Inventors: Birgit Hinrichs, Rolf Wichmann, Jens Drees, Stefan Gaeckle
  • PIGLET-PROTECTION DEVICE FOR A FARROWING PEN, AND RESPECTIVE FARROWING PEN
    Publication number: 20230200347
    Abstract: A piglet-protection device for a farrowing pen is equipped with a first side part, with a trough console, which is connected to the first side part, and with a second side part, which is connected to the trough console so as to be pivotable about a pivot axis. By pivoting the second side part, the piglet-protection device can be brought into a piglet-protection position, in which the second side part is arranged substantially parallel to the first side part, and into a movement position, in which the second side part is spread away from the first side part. A first door element and a second door element delimit the piglet-protection device at the rear in the piglet-protection position. The first door element and/or the second door element are arranged in a length-adjustable manner on the first and second side part, respectively.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 29, 2023
    Applicant: BIG DUTCHMAN INTERNATIONAL GMBH
    Inventors: Birgit Hinrichs, Rolf Wichmann, Jens Drees, Stefan Gaeckle