Patents by Inventor Andre Crichton

Andre Crichton 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: 10533832
    Abstract: A spool for use in a blasting system which includes a coiled signal transmitting conductor connected at one end to a detonator and at a second end to a connector, wherein the detonator and the connector are engaged with retentive formations on a face of a flange of the spool.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: January 14, 2020
    Assignee: DETNET SOUTH AFRICA (PTY) LTD
    Inventors: Andre Crichton, Phillip Olwage, Johannes Petrus Kruger
  • Publication number: 20190101369
    Abstract: A spool for use in a blasting system which includes a coiled signal transmitting conductor connected at one end to a detonator and at a second end to a connector, wherein the detonator and the connector are engaged with retentive formations on a face of a flange of the spool.
    Type: Application
    Filed: April 6, 2017
    Publication date: April 4, 2019
    Inventors: Andre Crichton, Phillip Olwage, Johannes Petrus Kruger
  • Patent number: D831467
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 23, 2018
    Assignee: DETNET SOUTH AFRICA (PTY) LTD
    Inventors: Andre Crichton, Phillip Olwage, Johannes Petrus Kruger