Patents by Inventor Leif Christian Krueger

Leif Christian Krueger 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).

  • Inflatable headgear comprising a wind instrument
    Patent number: 11419377
    Abstract: A headgear includes a head portion at least partly surrounding a head, an inflatable portion having an inflatable volume, a mouthpiece, at least one wind instrument, and an air tube defining a flow connection between the mouthpiece and the inflatable volume. A sound is producible by the at least one wind instrument in answer to air blown into the mouthpiece.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: August 23, 2022
    Inventors: Leif Christian Krueger, Malte Timm
  • INFLATABLE HEADGEAR COMPRISING A WIND INSTRUMENT
    Publication number: 20200281296
    Abstract: A headgear includes a head portion at least partly surrounding a head, an inflatable portion having an inflatable volume, a mouthpiece, at least one wind instrument, and an air tube defining a flow connection between the mouthpiece and the inflatable volume. A sound is producible by the at least one wind instrument in answer to air blown into the mouthpiece.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 10, 2020
    Inventors: Leif Christian Krueger, Malte Timm