Patents by Inventor David C. Ullenberg

David C. Ullenberg 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: 11913656
    Abstract: A wireless waveguide system for a heating, ventilation, and air conditioning (HVAC) system. The wireless waveguide system includes a sensor that detects an environmental condition and directs a signal indicative of the environmental condition along an interior of a ductwork. A signal sensor detects a strength of the signal within the interior of the ductwork. A repeater that operates based on the strength of the signal detected by the signal sensor and repeats the signal along a communication path at least partially within the interior of the ductwork to a controller of an HVAC unit.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: February 27, 2024
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Tri V. Ky, Allison M. Ahern, David C. Ullenberg
  • Publication number: 20230056522
    Abstract: A wireless waveguide system for a heating, ventilation, and air conditioning (HVAC) system. The wireless waveguide system includes a sensor that detects an environmental condition and directs a signal indicative of the environmental condition along an interior of a ductwork. A signal sensor detects a strength of the signal within the interior of the ductwork. A repeater that operates based on the strength of the signal detected by the signal sensor and repeats the signal along a communication path at least partially within the interior of the ductwork to a controller of an HVAC unit.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 23, 2023
    Inventors: Tri V. Ky, Allison M. Ahern, David C. Ullenberg
  • Publication number: 20180238574
    Abstract: A wireless waveguide system for a heating, ventilation, and air conditioning (HVAC) system. The wireless waveguide system includes a sensor that detects an environmental condition and directs a signal indicative of the environmental condition along an interior of a ductwork. A signal sensor detects a strength of the signal within the interior of the ductwork. A repeater that operates based on the strength of the signal detected by the signal sensor and repeats the signal along a communication path at least partially within the interior of the ductwork to a controller of an HVAC unit.
    Type: Application
    Filed: February 19, 2018
    Publication date: August 23, 2018
    Inventors: Tri V. Ky, Allison M. Ahern, David C. Ullenberg