Patents by Inventor Winfried Markowski

Winfried Markowski 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).

  • Machine and method for uniaxial mechanical material testing
    Patent number: 5005424
    Abstract: Testing machine for the mechanical testing of material samples comprising a first and a second force engagement device, a first and a second sample engagement device, a first force measuring device which is positioned between the first sample engagement device on the one hand and the force by-pass device together with the first force engagement device on the other hand, an actuator to create the force to be applied, a force by-pass device which is connected to the first force engagement device and which tranfers an applied prestress force acting on one of the force engagement devices to the other while by-passing the sample positioned between the two sample engagement devices, whereby the force by-pass device is stiff, the second sample engagement device is, by way of a length adjustment device, slidably mounted in the direction of the application of force relative to the end of the force by-pass device which is not connected to a force engagement device and whereby the length adjustment device is connected t
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: April 9, 1991
    Assignee: Bundesanstalt fur Materialforschung und -prufung (BAM)
    Inventor: Winfried Markowski