Patents by Inventor Marc-Andre VACHON

Marc-Andre VACHON 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).

  • Apparatus and method for maintaining message databases in eventual consistency distributed database systems
    Patent number: 10812434
    Abstract: A method and electronic device are provided for maintaining a message store having a plurality of messages includes maintaining at the electronic device a client bookmark indicating a point in the message store up to which the content of the message store maintained at the electronic device is known to be complete, and a maximum message identifier (ID) indicating the largest message identifier of the plurality of messages of the message store that the electronic device has received, sending to a server a sync request message for the message store, the sync request message including the client bookmark in response to determining at least one of the client bookmark and the maximum message ID do not match, and the electronic device connecting with the server after a period of being disconnected.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: October 20, 2020
    Assignee: BlackBerry Limited
    Inventors: Bradford Lawrence Spencer, Janet Kori Maccara, Shiladitya Sircar, Boris Rozinov, Marc-Andre Vachon
  • APPARATUS AND METHOD FOR MAINTAINING MESSAGE DATABASES IN EVENTUAL CONSISTENCY DISTRIBUTED DATABASE SYSTEMS
    Publication number: 20180278566
    Abstract: A method and electronic device are provided for maintaining a message store having a plurality of messages includes maintaining at the electronic device a client bookmark indicating a point in the message store up to which the content of the message store maintained at the electronic device is known to be complete, and a maximum message identifier (ID) indicating the largest message identifier of the plurality of messages of the message store that the electronic device has received, sending to a server a sync request message for the message store, the sync request message including the client bookmark in response to determining at least one of the client bookmark and the maximum message ID do not match, and the electronic device connecting with the server after a period of being disconnected.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 27, 2018
    Inventors: Bradford Lawrence SPENCER, Janet Kori MACCARA, Shiladitya SIRCAR, Boris ROZINOV, Marc-Andre VACHON