Patents by Inventor Franz Werner Gerressen

Franz Werner Gerressen 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: 8348555
    Abstract: The present invention relates to a shuttering element for limiting a section of a trench wall. The shuttering element is characterized by a plurality of shuttering parts which have a plate-shaped base body, consisting of concrete in particular, and are connected to one another at their adjoining horizontal front faces. Furthermore, the invention relates to a shuttering part as well as a method for producing a trench wall in the ground.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: January 8, 2013
    Assignee: Bauer Maschinen GmbH
    Inventors: Erwin Emil Stoetzer, Franz Werner Gerressen, Roland Wenger
  • Publication number: 20080265126
    Abstract: The present invention relates to a shuttering element for limiting a section of a trench wall. The shuttering element is characterized by a plurality of shuttering parts which have a plate-shaped base body, consisting of concrete in particular, and are connected to one another at their adjoining horizontal front faces. Furthermore, the invention relates to a shuttering part as well as a method for producing a trench wall in the ground.
    Type: Application
    Filed: April 3, 2008
    Publication date: October 30, 2008
    Inventors: Erwin Emil Stoetzer, Franz Werner Gerressen, Roland Wenger