Patents by Inventor Christoph Abraham

Christoph Abraham 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).

  • Heat exchanger, in particular for swimming pools
    Publication number: 20020074111
    Abstract: A heat exchanger for swimming pools, formed of generally cylindrical housing, through which flows a first medium while a second medium flows through a line designed as a spiral within the housing. The spiral shaped line is formed of a corrugated hose and possesses separate connection fittings for the second medium, namely the corrugated hose. The corrugated hose is connected by its end sections which extend in an axial direction to likewise axially extending sections of the separate connection fittings for the second medium.
    Type: Application
    Filed: October 16, 2001
    Publication date: June 20, 2002
    Inventors: Bernd Seeger, Matthias Gehring, Christoph Abraham, Bernd Michelfelder