Patents by Inventor Olaf Cramer

Olaf Cramer 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).

  • Access control for electronic blasting machines
    Patent number: 6851369
    Abstract: Blasting apparatuses and methods control actuation of a plurality of detonators, and involve the use of one or more authorization keys each associated with a blasting machine. The authorization key(s) are transferable from the blasting machine(s) to a central command station, each authorization key storing a data package comprising a randomly generated access code generated by its corresponding blasting machine. Transfer of the one or more authorization keys to a central command station allows the data packages (and associated randomly generated access codes) to be transmitted by the central command station for receipt by the blasting machine(s).
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: February 8, 2005
    Assignee: Orica Explosives Technology PTY Ltd.
    Inventors: Dirk Hummel, Olaf Cramer
  • ACCESS CONTROL FOR ELECTRONIC BLASTING MACHINES
    Publication number: 20050000382
    Abstract: Blasting apparatuses and methods control actuation of a plurality of detonators, and involve the use of one or more authorization keys each associated with a blasting machine. The authorization key(s) are transferable from the blasting machine(s) to a central command station, each authorization key storing a data package comprising a randomly generated access code generated by its corresponding blasting machine. Transfer of the one or more authorization keys to a central command station allows the data packages (and associated randomly generated access codes) to be transmitted by the central command station for receipt by the blasting machine(s).
    Type: Application
    Filed: August 29, 2003
    Publication date: January 6, 2005
    Inventors: Dirk Hummel, Olaf Cramer