Patents by Inventor Roland Hund

Roland Hund 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).

  • Piezoelectric clamping device
    Patent number: 8499431
    Abstract: A clamping apparatus has been developed for coupling a tool member to the output shaft of a power tool without the use of auxiliary hands tools or a shaft-lock lever. The clamping apparatus includes a clamp member and a piezoelectric element. The clamp member is coupled to an output shaft of a motor. The piezoelectric element opposes the first clamp member and is configured to change from a first state to a second state in response to being coupled to a source of electrical energy.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: August 6, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Harald Krondorfer, Roland Hund, Alexandre Maciel
  • PIEZOELECTRIC CLAMPING DEVICE
    Publication number: 20110095493
    Abstract: A clamping apparatus has been developed for coupling a tool member to the output shaft of a power tool without the use of auxiliary hands tools or a shaft-lock lever. The clamping apparatus includes a clamp member and a piezoelectric element. The clamp member is coupled to an output shaft of a motor. The piezoelectric element opposes the first clamp member and is configured to change from a first state to a second state in response to being coupled to a source of electrical energy.
    Type: Application
    Filed: October 26, 2009
    Publication date: April 28, 2011
    Applicants: CREDO TECHNOLOGY CORPORATION, ROBERT BOSCH GmbH
    Inventors: Harald Krondorfer, Roland Hund, Alexandre Maciel
  • Vertically-flying aircraft
    Patent number: 4004759
    Abstract: This invention relates to a vertically-flying aircraft adapted to fly while moored to a ground station comprising at least one rotor for producing vertical thrust, and a mechanically-acting storage mass for storing at least a substantial portion of the required drive energy for the drive of the rotor.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: January 25, 1977
    Assignee: Dornier System GmbH
    Inventor: Roland Hund