Patents by Inventor Manfred Adlhoch, JR.

Manfred Adlhoch, JR. 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: 9739829
    Abstract: A residual-current-operated protective arrangement includes a residual-current-operated protective device that has a core and an evaluation coil. A control device is provided that has a detection unit for detecting an electric current flowing through the evaluation coil. The residual-current-operated protective arrangement has a test winding that is inductively coupled to the evaluation coil via the core and the control device has a testing unit for impressing a predetermined test current into the test winding.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: August 22, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Manfred Adlhoch, Jr., Alexander Mundry
  • Publication number: 20150355273
    Abstract: A residual-current-operated protective arrangement includes a residual-current-operated protective device that has a core and an evaluation coil. A control device is provided that has a detection unit for detecting an electric current flowing through the evaluation coil. The residual-current-operated protective arrangement has a test winding that is inductively coupled to the evaluation coil via the core and the control device has a testing unit for impressing a predetermined test current into the test winding.
    Type: Application
    Filed: June 4, 2015
    Publication date: December 10, 2015
    Inventors: Manfred Adlhoch, JR., Alexander Mundry