Patents by Inventor Daniel August Julien Louis Maurissens

Daniel August Julien Louis Maurissens 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: 11441883
    Abstract: A blasting system which includes control equipment and a plurality of detonators which are located in respective boreholes formed in rock, wherein signals from the detonators are magnetically transmitted wirelessly through the rock to the control equipment via different paths between successive detonators, and wherein a signal from the control equipment can be simultaneously transmitted to all of the detonators.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: September 13, 2022
    Assignee: DETNET SOUTH AFRICA (PTY) LTD
    Inventors: Daniel August Julien Louis Maurissens, Elmar Lennox Muller
  • Publication number: 20210318107
    Abstract: A blasting system which includes control equipment and a plurality of detonators which are located in respective boreholes, wherein signals from the detonators are transmitted to the control equipment via different paths between successive detonators, and wherein a signal from the control equipment can be simultaneously transmitted to all of the detonators.
    Type: Application
    Filed: August 15, 2019
    Publication date: October 14, 2021
    Inventors: Daniel August Julien Louis Maurissens, Elmar Lennox Muller
  • Publication number: 20210302143
    Abstract: A detonator system wherein communication between detonators is achieved by using a transmitter coil in one detonator to modulate a magnetic field which is measured by means of a receiver coil in another detonator.
    Type: Application
    Filed: August 15, 2019
    Publication date: September 30, 2021
    Inventor: Daniel August Julien Louis Maurissens
  • Patent number: 9127921
    Abstract: A method of communicating with a detonator device using radio frequency identification (RFID) technology to read data from the device, and to transmit information and commands to the device.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: September 8, 2015
    Assignee: DETNET SOUTH AFRICA (PTY) LTD
    Inventors: Andre Koekemoer, Craig Charles Schlenter, Daniel August Julien Louis Maurissens
  • Publication number: 20140311370
    Abstract: A method of communicating with a detonator device using radio frequency identification (RFID) technology to read data from the device, and to transmit information and commands to the device.
    Type: Application
    Filed: September 21, 2012
    Publication date: October 23, 2014
    Inventors: Andre Koekemoer, Craig Charles Schlenter, Daniel August Julien Louis Maurissens