Patents by Inventor John Kuurstra

John Kuurstra 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).

  • Publication number: 20130335061
    Abstract: A system for monitoring power in accordance with the present disclosure has a transformer monitoring device that interfaces with two electrical conductors electrically connected to a transformer at a location on a power grid and to measure a first current and a second current through the first electrical conductor and the second electrical conductor, respectively. Further, the transformer monitoring device measures a first voltage and a second voltage associated with the first electrical conductor and the second electrical conductor, respectively, and the transformer monitoring device comprises two separate and distinct current measuring devices integral therewith. Additionally, the system comprises logic that calculates values indicative of power corresponding to the transformer based upon the first current and the first voltage and the second current and the second voltage.
    Type: Application
    Filed: June 17, 2013
    Publication date: December 19, 2013
    Inventors: Eric George de Buda, Randall Turner, John Kuurstra, Young Ngo, Kamran Kholdi-Sabeti
  • Publication number: 20130335062
    Abstract: A system for monitoring power in accordance with the present disclosure has a first transformer monitoring device that interfaces with a first electrical conductor electrically connected to a transformer at a first location on a power grid. The first transformer measures a first current through the first electrical conductor and a first voltage associated with the first electrical conductor. In addition, the system has a second transformer monitoring device that interfaces with a second electrical conductor electrically connected to the transformer. The second transformer measures a second current through the second electrical conductor and a second voltage associated with the second electrical conductor. Further, the system has logic configured to calculate values indicative of power corresponding to the transformer based upon the first current and the first voltage and the second current and the second voltage.
    Type: Application
    Filed: March 18, 2013
    Publication date: December 19, 2013
    Inventors: Eric George de Buda, Randall Turner, Michael Vandenburg, Lan Xu, John Kuurstra
  • Patent number: 6388564
    Abstract: A communication system arrangement uses powerline distribution systems to broadcast a signal from the distribution station to individual households. The signal is coded, using a spread spectrum technique and the receiving arrangement is designed to process the signal quickly for transmission to downstream households. In a preferred embodiment equipment, within each household is able to initiate a communication to a predetermined computer for reporting in accordance with an instruction signal received over the powerline system. With this system, a narrow band broadcast signal arrangement is realized, which does not require extensive modification to the distribution system.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: May 14, 2002
    Assignee: Digital Security Controls Ltd.
    Inventors: Raymond Piercy, John Kuurstra, Andrew Cullen
  • Patent number: 6157292
    Abstract: A communication system arrangement uses powerline distribution systems to broadcast a signal from the distribution station to individual households. The signal is coded, using a spread spectrum technique and the receiving arrangement is designed to process the signal quickly for transmission to downstream households. In a preferred embodiment equipment, within each household is able to initiate a communication to a predetermined computer for reporting in accordance with an instruction signal received over the powerline system. With this system, a narrow band broadcast signal arrangement is realized, which does not require extensive modification to the distribution system.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: December 5, 2000
    Assignee: Digital Security Controls Ltd.
    Inventors: Raymond Piercy, John Kuurstra, Andrew Cullen