Patents by Inventor Ewald Houben

Ewald Houben 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: 7685789
    Abstract: Construction element for forming a reinforced concrete slab (2), consisting of the combination of at least a hardened concrete layer (3), at least a number of reinforcement elements (4) and elements (5) extending at least partially from the concrete layer (3) and defining cavities (6), whereby these elements (5) are designed to be covered with concrete (7) at a later stage characterised in that the above-mentioned elements (5) defining the cavities (6) consist of elements (5) which can be mutually nested as such.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: March 30, 2010
    Assignee: Gecoleng Aktiengesellschaft
    Inventor: Ewald Houben
  • Publication number: 20050284071
    Abstract: Construction element for forming a reinforced concrete slab (2), consisting of the combination of at least a hardened concrete layer (3), at least a number of reinforcement elements (4) and elements (5) extending at least partially from the concrete layer (3) and defining cavities (6), whereby these elements (5) are designed to be covered with concrete (7) at a later stage characterised in that the above-mentioned elements (5) defining the cavities (6) consist of elements (5) which can be mutually nested as such.
    Type: Application
    Filed: September 15, 2003
    Publication date: December 29, 2005
    Inventor: Ewald Houben