Patents by Inventor Eckhard Rolf

Eckhard Rolf 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).

  • Rescue equipment for submarine crafts
    Patent number: 4182257
    Abstract: An auxiliary gas source for blowing a ballast tank of a submarine craft includes a casing with a store for pressure gas, a container for liquid and a gas generator proper into which the liquid can be forced by the gas. The liquid is contained in a flexible bag and the pressure gas acts on the bag from the outside, to be separately discharged as a supplemental supply of gas.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: January 8, 1980
    Assignee: Erno Raumfahrttechnik GmbH
    Inventor: Eckhard Rolf