Patents by Inventor Rick Christiansen

Rick Christiansen 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: 7269464
    Abstract: Embodiments of a system, method and computer program product are described for instantiating additional programmable logic controller (PLC) functionality. In accordance with one embodiment, an extension for a PLC may be identified and loaded into a memory space of the PLC. The loaded extension has an initialization interface that may be exposed to the PLC. When the initialization interface is invoked, functionality of the PLC may be passed to the extension as at least one parameter of the invoked initialization interface. The extension can then be initialized utilizing the passed functionality.
    Type: Grant
    Filed: April 6, 2005
    Date of Patent: September 11, 2007
    Assignee: Siemens Energy & Automation, Inc.
    Inventors: Scott Phillips, Rick Christiansen
  • Publication number: 20050228516
    Abstract: Embodiments of a system, method and computer program product are described for instantiating additional programmable logic controller (PLC) functionality. In accordance with one embodiment, an extension for a PLC may be identified and loaded into a memory space of the PLC. The loaded extension has an initialization interface that may be exposed to the PLC. When the initialization interface is invoked, functionality of the PLC may be passed to the extension as at least one parameter of the invoked initialization interface. The extension can then be initialized utilizing the passed functionality.
    Type: Application
    Filed: April 6, 2005
    Publication date: October 13, 2005
    Inventors: Scott Phillips, Rick Christiansen