Patents by Inventor Raimund Hennemann

Raimund Hennemann 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).

  • Swim Shoe
    Patent number: 10765916
    Abstract: A swimming shoe for learning and/or for supporting of the leg kick in breaststroke swimming is described. The swimming shoe has a shoe body and a sole flap connected thereto via a hinge coupling. The invention is characterized by the fact that the hinge coupling has a flexible strap through which the sole flap is connected with the shoe body, with the strap flexibly pressing the sole flap with pre-tensioning against a floor space of the shoe body.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 8, 2020
    Assignee: Raimund Hennemann, Christian Guber, Claudia Kemény, Flap Fin GbR
    Inventors: Raimund Hennemann, Christian Huber
  • SWIM SHOE
    Publication number: 20190143177
    Abstract: A swimming shoe for learning and/or for supporting of the leg kick in breaststroke swimming is described. The swimming shoe has a shoe body and a sole flap connected thereto via a hinge coupling. The invention is characterized by the fact that the hinge coupling has a flexible strap through which the sole flap is connected with the shoe body, with the strap flexibly pressing the sole flap with pre-tensioning against a floor space of the shoe body.
    Type: Application
    Filed: April 20, 2017
    Publication date: May 16, 2019
    Inventors: Raimund Hennemann, Christian Huber