Patents by Inventor Richard Majcherczyk

Richard Majcherczyk 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).

  • Device for measuring the stress of tangential friction of a shoe on a surfacing for the ground
    Patent number: 4081989
    Abstract: A device for measuring the stress of tangential friction of a shoe on a surfacing for the ground comprises a guiding device, a carriage displaceable over the length of said guiding device, a shoe on said carriage and being subjected to a vertical load dynamometric pick-up means suitable for measuring the tangential friction of the shoe on the surfacing in the course of the displacement of said carriage, a driving assembly for moving the carriage in translation and recorder means connected to the dynamometric pick-up means to record the variation of tangential friction of the shoe on the surfacing.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: April 4, 1978
    Assignee: Centre Experimental de Recherches et d'Etudes du Batiment et des Travaux Publics
    Inventor: Richard Majcherczyk