Patents by Inventor Otto Porzelt

Otto Porzelt 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: 5539792
    Abstract: A grid-shaped spacer includes a sheet-metal web having a web aperture formed therein defining two spaced mutually opposite aperture edges. The aperture edges oppose an elongation of an elongate spring which is curved about a direction transverse to its own longitudinal direction and which has a tab that engages through the web aperture at each of two spring ends. At least one of the tabs is snapped into a notch formed in one of the spring edges opposing the elongation of the spring.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: July 23, 1996
    Assignee: Siemens Aktiengesellschaft
    Inventors: Martin-Benno Buttner, Otto Porzelt, Bernd Block, Dirk Blavius