Patents by Inventor Ernst Drexler

Ernst Drexler 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).

  • Mast base for a wind surf-board
    Patent number: 4331094
    Abstract: A mast base for a wind surf-board adapted to have a mast cardanically fastened thereto. The mast base is releasably latchable in a sleeve or in an aperture within the body of the sailing board or wind surf-board, and includes spring-elastically adjustable latching elements which engage in corresponding recesses in the sleeve or aperture within the wind surf-board. An externally manipulatable adjusting collar is connected to a clamping nut or toggle member to bias the latching elements so as to exert variably selectable latching forces.
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: May 25, 1982
    Assignee: AKUTEC Angewandte Kunststoff-technik GmbH
    Inventor: Ernst Drexler