Patents by Inventor Karl F. Striewisch

Karl F. Striewisch 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).

  • Fire extinguishing device with storage tank for a low-boiling liquefied gas which serves as extinguishing agent
    Patent number: 5197548
    Abstract: A fire extinguishing device has a storage tank for a low-boiling liquefied gas which serves as the extinguishing agent. At least one connection line is equipped with a shut-off valve and an outlet nozzle leading from the storage tank into the area to be protected. A fire monitoring device which actuates the shut-off valve has sensors in the area to be protected. A cryo-compressor is located in the head space of the storage tank connected with an external cooling mechanism.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: March 30, 1993
    Assignee: Messer Griesheim GmbH
    Inventors: Wolfgang Volker, Karl F. Striewisch