Patents by Inventor Ivan Cramer

Ivan Cramer 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).

  • Pressure relief valve with a plural-part dry strap
    Patent number: 10358275
    Abstract: One-way pressure relief valves having a plural-part dry strap are disclosed. One-way pressure relief valves may be applied to a product package to evacuate gas from the package. In embodiments, the plural-part dry strap comprises overlapping dry strap parts which impart improved operation to the valve.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 23, 2019
    Assignee: Plitek, L.L.C.
    Inventors: Ivan Cramer, Monserrat Rodriguez, Robert C. Larsen