08452906 is referenced by 21 patents and cites 1274 patents.

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is adapted to provide a service and publish a message including a device status vector representing an availability of the system device to provide the service. The subnet controller is adapted to receive the message from the system device including the device status vector via a data bus.

Title
Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network
Application Number
12/603532
Publication Number
8452906 (B2)
Application Date
October 21, 2009
Publication Date
May 28, 2013
Inventor
Wojciech Grohman
Little Elm
TX, US
Assignee
Lennox
TX, US
IPC
G06F 13/42
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