Patents by Inventor Rainer Böllinghaus

Rainer Böllinghaus 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).

  • Transport anchor for embedding in prefabricated reinforced concrete parts
    Patent number: 6341452
    Abstract: A transport anchor for embedding in prefabricated reinforced concrete parts has an anchor shaft having a first shaft portion and a second shaft portion. The first shaft portion can be anchored in the concrete and has a support with at least one spacer projection for maintaining a spacing to a formwork wall. The second shaft portion projects from the concrete and has an engagement head. A prism-shaped formed member has two shell parts and surrounds the engagement head. A removable recess member encloses the engagement head during casting of the concrete. The removable recess member has a hub portion to be seated on the prism-shaped formed member.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: January 29, 2002
    Assignee: Gebr. Seifert GmbH & Co.
    Inventor: Rainer Böllinghaus