Patents by Inventor Christian HELM

Christian HELM 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).

  • Method and apparatus for monitoring an underground object
    Patent number: 10060870
    Abstract: The invention relates to a system for monitoring a substratum (1) with regard to damage and/or for protecting a substratum (1) from damage. The system comprises: an electrolytically active layer (4), which has a moisture-dependent electrical resistance; at least one electrode pair, the spaced-apart electrodes (3a, 3b) of which are connected to each other by means of the electrolytically active layer (4); and a measuring device, by means of which a property, in particular an electrical quantity of the electrolytically active layer (4) or of the electrodes (3a, 3b), can be measured by using electrodes (3a, 3b) of at least one electrode pair, in particular of each electrode pair, and/or a control device, by means of which a voltage can be applied to the electrodes (3a, 3b) of at least one electrode pair, in particular of each electrode pair.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: August 28, 2018
    Assignee: RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE AACHEN
    Inventors: Michael Raupach, Kenji Reichling, Christian Helm
  • METHOD AND APPARATUS FOR MONITORING AN UNDERGROUND OBJECT
    Publication number: 20160313271
    Abstract: The invention relates to a system for monitoring a substratum (1) with regard to damage and/or for protecting a substratum (1) from damage. The system comprises: an electrolytically active layer (4), which has a moisture-dependent electrical resistance; at least one electrode pair, the spaced-apart electrodes (3a, 3b) of which are connected to each other by means of the electrolytically active layer (4); and a measuring device, by means of which a property, in particular an electrical quantity of the electrolytically active layer (4) or of the electrodes (3a, 3b), can be measured by using electrodes (3a, 3b) of at least one electrode pair, in particular of each electrode pair, and/or a control device, by means of which a voltage can be applied to the electrodes (3a, 3b) of at least one electrode pair, in particular of each electrode pair.
    Type: Application
    Filed: November 13, 2014
    Publication date: October 27, 2016
    Inventors: Michael RAUPACH, Kenji REICHLING, Christian HELM