Patents by Inventor Botho Stuwe

Botho Stuwe 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: 4277115
    Abstract: A mount for calotte bearings in which a ring of an elastomer or of felt is disposed between the calotte bearing and a bearing support element and the calotte bearing and bearing support element are provided with grooves in the region of this ring. The calotte bearing mount is particularly useful in pumps with canned motors for delivery of electrolyte liquid in fuel cell units.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: July 7, 1981
    Assignee: Siemens Aktiengesellschaft
    Inventors: Botho Stuwe, Wilhelm Vobel
  • Patent number: 4226919
    Abstract: The present invention relates to hydrogen/oxygen fuel cells having oxygen and hydrogen feed lines for the flow of hydrogen and oxygen gases into the fuel cell, each of which is provided with a diaphragm valve for regulating the flow of gases therethrough, and each having control lines for controlling each diaphragm, the fuel cell also having the oxygen control line connected to the hydrogen feed line, and having an oxygen control valve positioned in the oxygen control line, to regulate the flow of hydrogen gas therethrough.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: October 7, 1980
    Assignee: Siemens Aktiengesellschaft
    Inventor: Botho Stuwe