Patents by Inventor Gerald Brendel

Gerald Brendel 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: 6688822
    Abstract: In a plastic injection anchoring sleeve having an essentially cylindrical sleeve body with a closed front end and an open opposite end for the insertion of an anchoring bolt, the sleeve wall has a plurality of openings closed by flaps which are formed integrally with the sleeve and pivotally supported thereby at their front ends, the flaps being provided with axially extending ribs projecting radially inwardly and having inclined front and rear end portions forming ramps for lifting the flaps outwardly and out of the openings when the sleeve body is removed axially from a molding core after injection molding, or when an anchor bolt is inserted into the sleeve body.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: February 10, 2004
    Assignee: Ritter GmbH
    Inventors: Frank Georg Ritter, Gerald Brendel
  • Publication number: 20030049093
    Abstract: In a plastic injection anchoring sleeve having an essentially cylindrical sleeve body with a closed front end and an open opposite end for the insertion of an anchoring bolt, the sleeve wall has a plurality of openings closed by flaps which are formed integrally with the sleeve and pivotally supported thereby at their front ends, the flaps being provided with axially extending ribs projecting radially inwardly and having inclined front and rear end portions forming ramps for lifting the flaps outwardly and out of the openings when the sleeve body is removed axially from a molding core after injection molding, or when an anchor bolt is inserted into the sleeve body.
    Type: Application
    Filed: September 4, 2002
    Publication date: March 13, 2003
    Inventors: Frank Georg Ritter, Gerald Brendel