Patents by Inventor Karthikeya S. Ramanathan

Karthikeya S. Ramanathan 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: 8756412
    Abstract: A method includes synchronizing a first gateway with information from a second gateway. The second gateway operates in a primary role with at least one primary network address. The second gateway communicates with at least one wireless device that uses at least one encryption key during at least one secure communication session. The information includes the at least one encryption key. The method also includes detecting a switchover event at the first gateway. The method further includes, in response to detecting the switchover event, switching the first gateway to the primary role, communicating using the at least one primary network address, and maintaining the at least one secure communication session at the first gateway after the first gateway switches to the primary role.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: June 17, 2014
    Assignee: Honeywell International Inc.
    Inventors: Christopher Pulini, Norman R. Swanson, Alexander Chernoguzov, Niral B. Sanghavi, Channabasavaraj Raravi, Karthikeya S. Ramanathan
  • Publication number: 20110258433
    Abstract: A method includes synchronizing a first gateway with information from a second gateway. The second gateway operates in a primary role with at least one primary network address. The second gateway communicates with at least one wireless device that uses at least one encryption key during at least one secure communication session. The information includes the at least one encryption key. The method also includes detecting a switchover event at the first gateway. The method further includes, in response to detecting the switchover event, switching the first gateway to the primary role, communicating using the at least one primary network address, and maintaining the at least one secure communication session at the first gateway after the first gateway switches to the primary role.
    Type: Application
    Filed: April 16, 2010
    Publication date: October 20, 2011
    Applicant: Honeywell International Inc.
    Inventors: Christopher Pulini, Norman R. Swanson, Alexander Chernoguzov, Niral B. Sanghavi, Channabasavaraj Raravi, Karthikeya S. Ramanathan
  • Patent number: 7822833
    Abstract: A method includes receiving a first proposed value or attribute for a parameter associated with a field device. The field device is or will be used in a process control system. The method also includes determining whether the first proposed value or attribute is valid using a device description associated with the field device. The method further includes, if the first proposed value or attribute is not valid, receiving a second proposed value or attribute for the parameter associated with the field device and determining whether the second proposed value or attribute is valid. The determinations of whether the first and second proposed values or attributes are valid could occur when the field device is offline in the process control system. The method could further include receiving a configuration having multiple values or attributes for multiple parameters associated with the field device and validating at least some of those values or attributes.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: October 26, 2010
    Assignee: Honeywell International Inc.
    Inventors: Vibhor Tandon, Deepak Bhandiwad, Gowtham Anne, Karthikeya S. Ramanathan
  • Publication number: 20090276486
    Abstract: A method includes receiving a first proposed value or attribute for a parameter associated with a field device. The field device is or will be used in a process control system. The method also includes determining whether the first proposed value or attribute is valid using a device description associated with the field device. The method further includes, if the first proposed value or attribute is not valid, receiving a second proposed value or attribute for the parameter associated with the field device and determining whether the second proposed value or attribute is valid. The determinations of whether the first and second proposed values or attributes are valid could occur when the field device is offline in the process control system. The method could further include receiving a configuration having multiple values or attributes for multiple parameters associated with the field device and validating at least some of those values or attributes.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 5, 2009
    Inventors: Vibhor Tandon, Deepak Bhandiwad, Gowtham Anne, Karthikeya S. Ramanathan