Patents by Inventor Tord Ringenhall

Tord Ringenhall 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).

  • ENERGY RECYCLING
    Publication number: 20100127090
    Abstract: In a waste collection system where deposited waste is transported by partial vacuum in transport pipes (2) leading from spaced collection points to a central collection station (4) containing a system vacuum source (5) including at least one vacuum-producing machine (6), thermal energy is extracted from a vacuum-producing machine exhaust air stream (EAS), is transferred to a fluid medium and is used for heating or cooling purposes in a specific residential area where the deposited and transported waste is generated.
    Type: Application
    Filed: January 31, 2008
    Publication date: May 27, 2010
    Applicant: ENVAC AB
    Inventors: Jonas Tornblom, Tord Ringenhall, Goran Eriksson