1
Daniel Adam Warren, Hugo Fiennes, Jonathan Alan Dutra, David Bell, Anthony Michael Fadell, Matthew Lee Rogers: Thermostat battery recharging during HVAC function active and inactive states. Nest Labs, Kilpatrick Townsend & Stockton, June 17, 2014: US08752771 (48 worldwide citation)

A thermostat and related methods are described for controlling one or more functions, such as heating and cooling in an HVAC. According to some embodiments the thermostat includes a rechargeable battery; charging circuitry adapted and arranged to recharge the battery; and control circuitry adapted a ...


2
Daniel Adam Warren, Edwin H Satterthwaite Jr, Ian C Smith: Thermostat with power stealing delay interval at transitions between power stealing states. Nest Labs, Kilpatrick Townsend & Stockton, August 20, 2013: US08511577 (32 worldwide citation)

A thermostat includes a plurality of HVAC (heating, ventilation, and air conditioning) wire connectors including a connection to at least one call relay wire. The thermostat may also include a powering circuit, including a rechargeable battery, which is configured to provide electrical power to the ...


3
Daniel Adam Warren, Hugo Fiennes, Jonathan Alan Dutra, David Bell, Anthony Michael Fadell, Matthew Lee Rogers, Ian C Smith, Edwin H Satterthwaite Jr, Joseph E Palmer, Grant M Erickson, Andrea Mucignat: Power management in energy buffered building control unit. Nest Labs, Kilpatrick Townsend & Stockton, August 20, 2013: US08511576 (26 worldwide citation)

A thermostat includes a plurality of HVAC (heating, ventilation, and air conditioning) wire connectors for receiving a plurality of HVAC control wires corresponding to an HVAC system. The thermostat also includes a thermostat processing and control circuit configured to at least partially control th ...


4
Daniel Adam Warren, Hugo Fiennes, Jonathan Alan Dutra, David Bell, Anthony Michael Fadell, Matthew Lee Rogers: Thermostat with self-configuring connections to facilitate do-it-yourself installation. Nest Labs, Kilpatrick Townsend & Stockton, September 3, 2013: US08523083 (18 worldwide citation)

A thermostat is configured for automated compatibility with HVAC systems that are either single-HVAC-transformer systems or dual-HVAC-transformer systems. The compatibility is automated in that a manual jumper installation is not required for adaptation to either single-HVAC-transformer systems or d ...


5
Daniel Adam Warren, Ian C Smith, Edwin H Satterthwaite Jr, Joseph E Palmer: Adaptive power stealing thermostat. Google, Kilpatrick Townsend & Stockton, February 16, 2016: US09261287 (14 worldwide citation)

An electronic thermostat and associated methods are disclosed for power stealing from an HVAC triggering circuit. The methods include making voltage measurements while controlling the amount of current drawn by the power stealing circuitry so as to determine a relationship that can be used to select ...


6
John Benjamin Filson, Daniel Adam Warren, Anthony Michael Fadell, Sheng Nan Yu: Thermostat wiring connector. Google, Kilpatirck Townsend & Stockton, November 15, 2016: US09494332 (12 worldwide citation)

A thermostat includes a wiring terminal having a moveable component that is actuatable to enable insertion of an HVAC system conductive wire within the wiring terminal. Insertion of the HVAC system conductive wire within the wiring terminal electrically connects the wiring terminal and the HVAC syst ...


7
Daniel Adam Warren, Brian J Conner, Ian C Smith: Monitoring and recoverable protection of thermostat switching circuitry. Nest Labs, Kilpatrick Townsend & Stockton, February 25, 2014: US08659302 (11 worldwide citation)

Voltage is detected on both sides of a protection fuse within a thermostat, such that a determination can be made as to the status of the fuse. When a blown fuse is detected, the user can be notified via (1) an error message on the thermostat display, and/or (2) a message on another device such as a ...


8
Daniel Adam Warren, Lawrence Frederick Heyl, Edwin H Satterthwaite Jr, Steven Clark, Andrew W Goldenson, Dietrich Ho, Nicholas Unger Webb, Julia Deluliis, Tyler Moore, Ben Manuto: Systems and methods for coordinating and administering self tests of smart home devices having audible outputs. GOOGLE, Van Court & Aldridge, September 27, 2016: US09454893 (8 worldwide citation)

Systems and methods for self-administering a sound test to verify operation of a speaker and/or alarm within a hazard detection system are described herein. The sound test can verify that the audible sources such as the alarm and speaker operate at the requisite loudness and frequencies. In addition ...


9
Mark Kraz, Adam Mittleman, Nicholas Unger Webb, Andrew W Goldenson, Ian Charles Smith, Daniel Adam Warren, Mikko Sannala: Hazard detector architecture facilitating compact form factor and multi-protocol wireless connectivity. Google, Kilpatrick Townsend & Stockton, October 11, 2016: US09466194 (7 worldwide citation)

Systems, methods, and devices are included for providing hazard detection. For example, a hazard detection device may include a printed circuit board. The hazard detection device may further include a chassis that provides a housing for components of the hazard detection device; a smoke chamber that ...


10
Daniel Adam Warren, Hugo Fiennes, Jonathan Alan Dutra, David Bell, Anthony Michael Fadell, Matthew Lee Rogers, Ian C Smith, Edwin H Satterthwaite Jr, Joseph E Palmer, Grant M Erickson, Andrea Mucignat, David Sloo: Installation of thermostat powered by rechargeable battery. GOOGLE, Kilpatrick Townsend & Stockton, February 23, 2016: US09268344 (6 worldwide citation)

A thermostat is described that includes a rechargeable battery, a graphical user interface and a wireless network communication capabilities. During installation, in cases where the rechargeable battery is below a first threshold, the installation procedure is limited so as to avoid energy intensive ...