Patents by Inventor Marcus Striegel

Marcus Striegel 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).

  • Patent number: 8147245
    Abstract: An acoustically activated dental instrument that comprises a working head attached to a shaft, the working head being covered with abrasive particles at its front end portion and having a spherical basic shape at its distal end, the outside of which is covered with abrasive particles. The working head is flattened at an upper side substantially up to a center plane of the spherical basic shape, and is flattened on the lower side opposite to the upper flattened side.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: April 3, 2012
    Assignee: Gebr. Brasseler GmbH & Co. KG
    Inventors: Marcus Striegel, Thomas Schwenk
  • Publication number: 20100009315
    Abstract: An acoustically activated dental instrument that comprises a working head attached to a shaft, the working head being covered with abrasive particles at its front end portion and having a spherical basic shape at its distal end, the outside of which is covered with abrasive particles. The working head is flattened at an upper side substantially up to a center plane of the spherical basic shape, and is flattened on the lower side opposite to the upper flattened side.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 14, 2010
    Applicant: GEBR. BRASSELER GMBH & CO. KG
    Inventors: Marcus STRIEGEL, Thomas SCHWENK