Patents by Inventor Erik {hacek over (S)}ifrer

Erik {hacek over (S)}ifrer 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).

  • Sail construction
    Patent number: 10946946
    Abstract: Sail construction comprising foldable sail supports, a crossbeam, a holder, a sail, a bottom holder, ropes and a block and tackle system. The sail can be a self-inflatable sail designed similarly to paragliders, partially or fully inflatable.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: March 16, 2021
    Assignee: MIDES DESIGN D.O.O.
    Inventor: Erik {hacek over (S)}ifrer