1
William McFarlane, Steven E Williams, Robert C Beilfuss: Electronic thermostat. Lennox, Allegretti & Witcoff, April 28, 1992: US05107918 (112 worldwide citation)

Apparatus and method useful in temperature control system for a predetermined area that employs a user friendly electronic thermostat that can be programmed intuitively and which is impossible to incorrectly program. Further, the electronic thermostat needs no periodic maintenance checks because it ...


2
Robert C Beilfuss, David M Lanier, Stanley E Bammel, Terry J Huang, David M Banks: Ignition control system for a gas appliance. Lennox, Allegretti Newitt Witcoff & McAndrews, September 22, 1987: US04695246 (95 worldwide citation)

An ignition control system for a direct ignition gas appliance, such as a furnace. A main gas valve, spark generator, flame sensor, and purge blower are all interconnected to a single controller. The controller issues a purge signal to the blower for a first predetermined period. Thereafter, for a s ...


3
Crawford Ian Lennox: Light bulb with a plastic bulb mounting portion and led light source.. Crawford Ian Lennox, July 26, 2000: GB2345954-A (93 worldwide citation)

A light bulb which uses light emitting diodes 2 encapsulated in a transparent material, which may be clear or coloured; wherein a bulb mounting portion 13 intended to enter the bulb receiving socket is formed from cast or moulded plastic. The same plastics material may be used to both encapsulate th ...


4
Keith A Temple, Oved W Hanson: Method of determining refrigerant charge level in a space temperature conditioning system. Lennox Manufacturing, W Kirk McCord, June 3, 2003: US06571566 (86 worldwide citation)

In accordance with the present invention, a method of determining refrigerant charge level in a space temperature conditioning system includes the steps of establishing a relationship between at least one selected system operating parameter and refrigerant charge level, independent of ambient temper ...


5
Jacob Jennings, Thomas Gerald Pavlak, Amanda Filbeck, Christopher W Spencer: System and method of use for a user interface dashboard of a heating, ventilation and air conditioning network. Lennox, August 7, 2012: US08239066 (72 worldwide citation)

The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab ...


6
David M Pfarrer, Sidney A Parker: Control apparatus for two-speed compressor. Lennox, Molinare Allegretti Newitt & Witcoff, January 27, 1976: US03935519 (50 worldwide citation)

The disclosure describes a refrigerant compressor of the type driven by a motor capable of operating at a low speed and a high speed, the motor including first, second and third stator coils. First, second and third temperature sensors are located adjacent the first, second and third stator coils, r ...


7
James Mullen: Air conditioning system having latent and sensible cooling capability. Lennox, Allegretti Newitt Witcoff & McAndrews, April 19, 1977: US04018584 (49 worldwide citation)

An air conditioning system having latent and sensible cooling capabilities is disclosed herein. The mode of operation is determined by the temperature and humidity conditions of the enclosure.


8
John S Whinery, Merlin K Chapin: Space conditioning system with outdoor air and refrigerant heat control of dehumidification of an enclosed space. Lennox, W Kirk McCord, August 6, 2002: US06427461 (49 worldwide citation)

A space conditioning system for controlling the temperature and humidity of air within an enclosed space includes a vapor compression refrigeration unit having a reheat coil disposed downstream of the system evaporator coil to reheat return air after cooling and condensation of excess water vapor in ...


9
Robert B Uselton: Air conditioning system with variable condenser reheat for enhanced dehumidification. Lennox, Gardere Wynne Sewell, December 7, 2004: US06826921 (48 worldwide citation)

A vapor compression air conditioning system, including a heat pump embodiment, provides enhanced dehumidification of supply air to an enclosed space. The refrigerant fluid circuit includes an evaporator and a reheat heat exchanger for controlling temperature and dehumidification of supply air. A var ...


10
David M Pfarrer, Sidney A Parker: Control apparatus for two-speed, single phase compressor. Lennox, Allegretti Newitt Witcoff & McAndrews, August 31, 1976: US03978382 (46 worldwide citation)

The disclosure describes a refrigerant compressor of the type driven by a single phase motor capable of operating at a low speed and a high speed, the motor including a run winding, a 2-pole start winding and a 4-pole start winding. First and second temperature sensors are located adjacent the windi ...