Patents by Inventor David Paul Bohlmann

David Paul Bohlmann 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).

  • BACnet protocol MS/TP automatic MAC addressing
    Patent number: 7987247
    Abstract: A Building Automation System (BAS) includes at least one Direct Digital Control (DDC) controller operating as a BACnet MS/TP master considered to be an “Anchor”. The Anchor operates an algorithm or method which automatically assigns BACnet Protocol MS/TP Media Access Control (MAC) addresses to other BAS components (considered Nomads) being installed into the network. The Anchor gathers MAC addresses existing on the MS/TP network, and issues an available MAC Pool Announcement. Each Nomad randomly picks a temporary MAC address. When the Anchor verifies singular communication at the temporary MAC address, the Anchor assigns a permanent MAC address to the Nomad, which can later be locked into flash memory. Using the preferred algorithm and method, Nomad devices are automatically assigned unused MAC addresses to join the MS/TP network in a non-conflicting, orderly way, with all communications occurring within the confines of BACnet MS/TP Protocol.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: July 26, 2011
    Assignee: KMC Controls, Inc.
    Inventors: Bruce Dale Westphal, Jeptha Roy Hall, David Paul Bohlmann, Gregory A. Zuercher
  • BACnet Protocol MS/TP Automatic MAC Addressing
    Publication number: 20090271001
    Abstract: A Building Automation System (BAS) includes at least one Direct Digital Control (DDC) controller operating as a BACnet MS/TP master considered to be an “Anchor”. The Anchor operates an algorithm or method which automatically assigns BACnet Protocol MS/TP Media Access Control (MAC) addresses to other BAS components (considered Nomads) being installed into the network. The Anchor gathers MAC addresses existing on the MS/TP network, and issues an available MAC Pool Announcement. Each Nomad randomly picks a temporary MAC address. When the Anchor verifies singular communication at the temporary MAC address, the Anchor assigns a permanent MAC address to the Nomad, which can later be locked into flash memory. Using the preferred algorithm and method, Nomad devices are automatically assigned unused MAC addresses to join the MS/TP network in a non-conflicting, orderly way, with all communications occurring within the confines of BACnet MS/TP Protocol.
    Type: Application
    Filed: December 2, 2008
    Publication date: October 29, 2009
    Applicant: KMC CONTROLS, INC.
    Inventors: Bruce Dale Westphal, Jeptha Roy Hall, David Paul Bohlmann, Gregory A. Zuercher