Patents by Inventor Adrian SCHERRER

Adrian SCHERRER 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: 8985236
    Abstract: A handheld power tool is disclosed. The handheld power tool has a drive oscillating along a working axis and a vibration damper. The vibration damper has a mass element suspended in a spring mechanism. The spring mechanism acts with a first spring stiffness and acts with a second spring stiffness. The first spring stiffness is different from the second spring stiffness.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: March 24, 2015
    Assignee: Hilti Aktiengesellschaft
    Inventors: Michael Wierer, Adrian Scherrer, Fabian Martin, Josef Althaus
  • Publication number: 20120055689
    Abstract: A handheld power tool is disclosed. The handheld power tool has a drive oscillating along a working axis and a vibration damper. The vibration damper has a mass element suspended in a spring mechanism. The spring mechanism acts with a first spring stiffness and acts with a second spring stiffness. The first spring stiffness is different from the second spring stiffness.
    Type: Application
    Filed: August 31, 2011
    Publication date: March 8, 2012
    Applicant: Hilti Aktiengesellschaft
    Inventors: Michael WIERER, Adrian SCHERRER, Fabian MARTIN, Josef ALTHAUS