Patents by Inventor Elmar Lennox Muller
Elmar Lennox Muller 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).
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Patent number: 11982520Abstract: A wireless detonator system wherein a blast control unit communicates bidirectionally with at least one tagger and with detonators, prior to deployment thereof, using a NFC technique, and a transmitter/receiver assembly communicates with each detonator atan ultralow frequency.Type: GrantFiled: January 25, 2021Date of Patent: May 14, 2024Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Marius Christo Botha, Tielman Christiaan Meyer
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Patent number: 11874098Abstract: A wireless detonator assembly which includes a detonator, a receiver, a printed circuit board with a stored key which is hardwired onto the board during manufacture of the detonator assembly and control logic which allows the detonator to be fired only if the control logic extracts from a signal, received by the receiver, a reference key which is identical to the stored key.Type: GrantFiled: February 2, 2021Date of Patent: January 16, 2024Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Christiaan Tielman Meyer, Abraham Johannes Liebenberg
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Publication number: 20230417525Abstract: A detonator assembly which includes a detonator arrangement comprising a detonator, a receiver which is responsive to a magnetic signal from a control centre and a control circuit which, in response to a signal from the receiver, regulates firing of the detonator, and which is characterised in that a fibre optic cable is connected to and extends from the detonator arrangement, and in that the detonator arrangement includes a transmitter/receiver module which is in signal communication with the fibre optic cable and the control circuit.Type: ApplicationFiled: September 28, 2021Publication date: December 28, 2023Inventors: Elmar Lennox MULLER, Abraham Johannes LIEBENBERG
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Publication number: 20230194230Abstract: A safety arrangement for a wireless blasting system which includes a plurality of wireless detonator assemblies located at a blast zone wherein each route which provides access to the blast zone is monitored to detect removal of a wireless detonator assembly which is in an operative mode from the blast zone.Type: ApplicationFiled: February 2, 2021Publication date: June 22, 2023Inventors: Elmar Lennox Muller, Tielman Christiaan Meyer, Abraham Johannes Liebenberg
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Publication number: 20230057631Abstract: A wireless detonator system wherein a blast control unit communicates bidirectionally with at least one tagger and with detonators, prior to deployment thereof, using a NFC technique, and a transmitter/receiver assembly communicates with each detonator a tan ultralow frequency.Type: ApplicationFiled: January 25, 2021Publication date: February 23, 2023Applicant: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Marius Christo Botha, Tielman Christiaan Meyer
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Publication number: 20220357141Abstract: A wireless detonator assembly which includes a detonator, a receiver, a printed circuit board with a stored key which is hardwired onto the board during manufacture of the detonator assembly and control logic which allows the detonator to be fired only if the control logic extracts from a signal, received by the receiver, a reference key which is identical to the stored key.Type: ApplicationFiled: February 2, 2021Publication date: November 10, 2022Applicant: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Christiaan Tielman Meyer, Abraham Johannes Liebenberg
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Patent number: 11453569Abstract: A spool for use in a blasting system which carries a coiled signal-transmitting conductor which is connected at one end to a detonator and at an opposed end to a connector.Type: GrantFiled: April 7, 2017Date of Patent: September 27, 2022Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Michiel Jacobus Kruger, Pierre De Vos Mynhardt
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Patent number: 11441883Abstract: 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: GrantFiled: August 15, 2019Date of Patent: September 13, 2022Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Daniel August Julien Louis Maurissens, Elmar Lennox Muller
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Publication number: 20210318108Abstract: A blasting system which is established using an autonomously controlled vehicle to traverse a blast site, moving from blast hole to blast hole and at each blast hole using robotic means to prepare each blast hole for detonation.Type: ApplicationFiled: August 21, 2019Publication date: October 14, 2021Inventors: Elmar Lennox Muller, Riaan Lingenfelder Van Wyk, Tielman Christiaan Meyer, Marius Christo Botha
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Publication number: 20210318107Abstract: 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: ApplicationFiled: August 15, 2019Publication date: October 14, 2021Inventors: Daniel August Julien Louis Maurissens, Elmar Lennox Muller
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Patent number: 11021415Abstract: A shock tube for propagating and initiating a signal to an explosive charge which includes at least first and second elongate flexible conductors on a body of the detonator to enable two-way communication between the explosive charge and a blasting machine thereby to confirm the status of the detonator prior to sending a fire signal.Type: GrantFiled: September 28, 2017Date of Patent: June 1, 2021Assignee: DETNET SOUTH AFRICA (PTY) LTDInventor: Elmar Lennox Muller
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Patent number: 10890426Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: February 27, 2019Date of Patent: January 12, 2021Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Publication number: 20200271430Abstract: A shock tube for propagating and initiating a signal to an explosive charge which includes at least first and second elongate flexible conductors on a body of the detonator to enable two-way communication between the explosive charge and a blasting machine thereby to confirm the status of the detonator prior to sending a fire signal.Type: ApplicationFiled: September 28, 2017Publication date: August 27, 2020Inventor: Elmar Lennox Muller
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Patent number: 10712141Abstract: A sensor assembly for use in actuating an electronic detonator in response to a shock tube event propagated through a shock tube, the sensor assembly including support, and at least one sensor on a surface of the support, the support being configured to position the at least one sensor displaced laterally from a line of action of the shock tube event.Type: GrantFiled: November 3, 2017Date of Patent: July 14, 2020Assignee: DETNET SOUTH AFRICA (PTY) LTD.Inventor: Elmar Lennox Muller
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Publication number: 20200165228Abstract: A method of producing K2DNABT wherein a biztetrazole intermediate is nitrated using a nitrating agent selected from the following: dinitronium disulphate; a mixture of nitric acid and sulfuric acid; a mixture of nitric acid and phosphorous pentoxide; and nitric acid with acetic anhydride.Type: ApplicationFiled: May 10, 2018Publication date: May 28, 2020Applicant: DETNET SOUTH AFRICA (PTY) LTDInventors: Elmar Lennox Muller, Thomas M. Klapotke, Jorg Stierstorfer, Marc F. Bolter, Maurus Volkl
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Patent number: 10527395Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: February 24, 2017Date of Patent: January 7, 2020Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Publication number: 20190346245Abstract: A sensor assembly for use in actuating an electronic detonator in response to a shock tube event propagated through a shock tube, the sensor assembly including support, and at least one sensor on a surface of the support, the support being configured to position the at least one sensor displaced laterally from a line of action of the shock tube event.Type: ApplicationFiled: November 3, 2017Publication date: November 14, 2019Applicant: DETNET SOUTH AFRICA (PTY) LTDInventor: Elmar Lennox Muller
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Patent number: 10466025Abstract: A wireless detonator which includes a control unit, an ignition element, an energy source which is configured to fire the ignition element in response to a signal from the control unit, a communication module, and an energy harvesting unit which harvests energy from an external electromagnetic field which is used to power, at least, the communication module.Type: GrantFiled: August 4, 2016Date of Patent: November 5, 2019Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Francois Venter, Elmar Lennox Muller
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Patent number: 10359265Abstract: A blasting system including a plurality of detonators located in respective boreholes, which is implemented through the use of a remotely controlled vehicle used for survey purposes and for locating geographical positions of the boreholes.Type: GrantFiled: October 29, 2015Date of Patent: July 23, 2019Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Riaan Van Wyk, Francois Venter, Trevor Watt, Chris Birkin, Andre Koekemoer, Elmar Lennox Muller
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Publication number: 20190195605Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Inventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
