Patents by Inventor Erkki K. Rinne

Erkki K. Rinne 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).

  • Procedure for fastening an object and a hydraulic fastening apparatus
    Patent number: 5979911
    Abstract: The invention relates to a procedure for the fastening of objects, e.g. working tools and work pieces, and to a holding device. The invention comprises a self-locking holding collet (2, 22) which fastens the object by means of an actuating element (3) which moves the holding collet to fasten and unfasten the object.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: November 9, 1999
    Inventor: Erkki K. Rinne