1
Wojciech Grohman: Alarm and diagnostics system and method for a distributed-architecture heating, ventilation and air conditioning network. Lennox, October 1, 2013: US08548630 (31 worldwide citation)

The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a first system device and a second system device. The first system device is configured to send and receive ...


2
Wojciech Grohman: Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network. Lennox, May 28, 2013: US08452906 (21 worldwide citation)

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 r ...


3
Wojciech Grohman, Darko Hadzidedic: Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network. Lennox, October 22, 2013: US08564400 (20 worldwide citation)

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a user interface and a system device. The user interface is configured to publish a privilege request message to a data bus. The system device is c ...


4
Jimmie Curry, Jacob Jennings, Wojciech Grohman: Alarm and diagnostics system and method for a distributed architecture heating, ventilation and air conditioning network. Lennox, June 11, 2013: US08463442 (20 worldwide citation)

The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. One embodiment of the network includes a subnet controller, a system device and a system status display. The subnet controller is configured to communicate via a data bus. The first syst ...


5
Wojciech Grohman, Darko Hadzidedic: System recovery in a heating, ventilation and air conditioning network. Lennox, May 7, 2013: US08437877 (18 worldwide citation)

The disclosure provides a system and method of retrieving data for an active subnet controller of a subnet in an HVAC network. In an embodiment, a device on said subnet reports a loss of internal memory settings to said active subnet controller. The device is recognized by the active subnet controll ...


6
Wojciech Grohman: System recovery in a heating, ventilation and air conditioning network. Lennox, August 28, 2012: US08255086 (18 worldwide citation)

The disclosure provides various embodiments of systems and methods of generating a heartbeat in an HVAC system and networks. In an embodiment, a method includes a heartbeat message being sent by a first subnet controller upon the first subnet controller taking active control of a subnet of the HVAC ...


7
Wojciech Grohman, Darko Hadzidedic: Memory recovery scheme and data structure in a heating, ventilation and air conditioning network. Lennox, June 11, 2013: US08463443 (17 worldwide citation)

The disclosure provides systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, the method comprises checking a subnet of the HVAC network for both communicating device and a non-communicating device by ...


8
Wojciech Grohman: Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network. Lennox, January 8, 2013: US08352081 (17 worldwide citation)

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum servic ...


9
Wojciech Grohman: Device abstraction system and method for a distributed-architecture heating, ventilation and air conditioning system. Lennox, October 7, 2014: US08855825 (12 worldwide citation)

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In various embodiments, the network includes a subnet controller configured to control networked devices via a data bus. The subnet controller is configured to be addressable over the da ...


10
Wojciech Grohman: Method and apparatus for configuring a communicating environmental conditioning network. Lennox, November 23, 2010: US07840311 (11 worldwide citation)

A method for configuring a communicating environmental conditioning network, an apparatus for such configuring and a method for configuring a communicating air conditioning network are disclosed. In one embodiment, the method for configuring a communicating environmental conditioning network include ...