Patents Assigned to Max Frank GmbH & Co KG
  • Cantilever plate connection arrangement
    Patent number: 8092113
    Abstract: A cantilever plate connection element (1) for connecting a floor/ceiling plate.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: January 10, 2012
    Assignee: Max Frank GmbH & Co. KG
    Inventor: Ludwig Penzkofer
  • Concrete insert element and concrete structure having at least one concrete insert element
    Patent number: 5341616
    Abstract: A concrete structure having at least one concrete insert element is disclosed. The insert element has a surface with a layer of aluminum or aluminum alloy and, upon setting of the concrete, the layer of aluminum or aluminum alloy reacts at least partially with the free lime and oxygen in the concrete to form calcium aluminate, thus providing a particularly intimate and firm bond between the insert element and the concrete.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: August 30, 1994
    Assignee: Max Frank GmbH & Co KG
    Inventor: Ludwig Penzkofer