Patents by Inventor Christoper J. Engel

Christoper J. Engel 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: 10838816
    Abstract: A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 17, 2020
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christoper J. Engel, Kaveh Naderi, Gregory M. Nordstrom, Harald Pross, Thomas R. Sand
  • Publication number: 20180081761
    Abstract: A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 22, 2018
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christoper J. Engel, Kaveh Naderi, Gregory M. Nordstrom, Harald Pross, Thomas R. Sand