Patents by Inventor Erich Spreizer

Erich Spreizer 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).

  • Cast-in channel
    Patent number: 8234832
    Abstract: The present invention relates to a cast-in channel having a channel body which forms a receiving space for receiving a connecting element used to fixedly attach a fastening element to the cast-in channel, the channel body further being provided with holes, the holes having connectors provided therein for fixedly attaching anchoring members to the channel body. The connectors are designed as rivets, whose fixing portions, which are inserted through the respective holes, are expanded so as to secure the rivets to the channel body, and which have an attachment for fixedly attaching the anchoring members to the channel body. The present invention also relates to a rivet nut for a cast-in channel.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: August 7, 2012
    Assignee: Hilti Aktiengesellschaft
    Inventors: Ulrich Birnbaum, Juergen Gebhard, Markus Heudorfer, Harald Schachinger, Erich Spreizer, Denis Novokshanov
  • Cast-in channel
    Publication number: 20100170185
    Abstract: The present invention relates to a cast-in channel having a channel body which forms a receiving space for receiving a connecting element used to fixedly attach a fastening element to the cast-in channel, the channel body further being provided with holes, the holes having connectors provided therein for fixedly attaching anchoring members to the channel body. The connectors are designed as rivets, whose fixing portions, which are inserted through the respective holes, are expanded so as to secure the rivets to the channel body, and which have an attachment for fixedly attaching the anchoring members to the channel body. The present invention also relates to a rivet nut for a cast-in channel.
    Type: Application
    Filed: December 16, 2009
    Publication date: July 8, 2010
    Applicant: Hilti Aktiengesellschaft
    Inventors: Ulrich Birnbaum, Juergen Gebhard, Markus Heudorfer, Harald Schachinger, Erich Spreizer, Denis Novokshanov