Patents by Inventor Mark Wehrmeister

Mark Wehrmeister 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: 8636455
    Abstract: A fastener assembly is installable in an opening of a workpiece and includes an outer member and a fastener. The fastener is movable through a passageway of the outer member. The fastener includes a mandrel and a stem. The mandrel is dimensioned to radially expand the outer member. The stem has an expansion portion and a propping portion. The expansion portion radially expands the outer member after the outer member has been expanded by the mandrel. The propping portion keeps the expanded outer member in an installed expanded configuration. The outer member and fastener are installed in a single operation to reduce installation time.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: January 28, 2014
    Assignee: Fatigue Technoloy, Inc.
    Inventors: Mark Wehrmeister, Doug Bakken, Mark Weiss
  • Publication number: 20100260572
    Abstract: A fastener assembly is installable in an opening of a workpiece and includes an outer member and a fastener. The fastener is movable through a passageway of the outer member. The fastener includes a mandrel and a stem. The mandrel is dimensioned to radially expand the outer member. The stem has an expansion portion and a propping portion. The expansion portion radially expands the outer member after the outer member has been expanded by the mandrel. The propping portion keeps the expanded outer member in an installed expanded configuration. The outer member and fastener are installed in a single operation to reduce installation time.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 14, 2010
    Applicant: Fatigue Technology, Inc.
    Inventors: Mark Wehrmeister, Doug Bakken, Mark Weiss