Patents by Inventor Heiko Peter Werner

Heiko Peter Werner 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).

  • Patent number: 11661989
    Abstract: A hollow tubular foam spring having a plurality of radially extending holes extending from an outer surface towards a central hollow core. The tubular foam spring is arranged with wall thickness and diameter to height ratios such that center bulging is achieved under compressive loads. In an embodiment, such as in a mattress, seat, cushion or pillow, springs are arranged in an array whereby some impinge upon one another due to central bulging.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 30, 2023
    Assignee: ELISANA S.A.R.L.
    Inventors: Sandi {hacek over (C)}e{hacek over (s)}ko, Heiko Peter Werner
  • Publication number: 20210003186
    Abstract: A hollow tubular foam spring having a plurality of radially extending holes extending from an outer surface towards a central hollow core. The tubular foam spring is arranged with wall thickness and diameter to height ratios such that center bulging is achieved under compressive loads. In an embodiment, such as in a mattress, seat, cushion or pillow, springs are arranged in an array whereby some impinge upon one another due to central bulging.
    Type: Application
    Filed: November 20, 2018
    Publication date: January 7, 2021
    Applicant: ELISANA S.A.R.L.
    Inventors: Sandi Cesko, Heiko Peter Werner