Patents by Inventor Gert Wloka

Gert Wloka 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).

  • Ski
    Patent number: 4813699
    Abstract: A ski having good glidability, and low wear in its glide zones, and in which the tread areas in the glide zones are so configured that ordinary flexural stress will not ensue in cracking or other damage to the thread. The ski has a glide surface comprising one or more elements which are in the form of at least one of solid ceramic sintered compacts and coated metal base plates.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: March 21, 1989
    Assignee: Feldmuehle Aktiengesellschaft
    Inventors: Wolfgang Burger, Gert Wloka, Helmut Sommer
  • Patent number: 4363631
    Abstract: The shaft of a glandless pump which is made of sintered oxide ceramics in order to resist chemical attack is formed with a projection upon which there is mounted a metal sleeve having a bottom in order to enable a tool, such as a screwdriver, to be applied against the shaft for rotating the shaft when unblocking the pump without causing damage to the ceramic material of the shaft.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: December 14, 1982
    Assignee: Feldmuhle Aktiengesellschaft
    Inventor: Gert Wloka