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| Number | Title | Issue Date |
| 8061417 | Priority conditioning in a multi-zone climate control system A method and mechanism for performing a prioritized determining of a climate conditioning to be provided to a zone in a multiple zone structure. In one embodiment of the invention, the determining of a climate conditioning to be provided to a zone is to be a priorit... | 11/22/2011 |
| 7693809 | Control interface for environment control systems A method and apparatus for a control interface for environment control systems. An embodiment of a controller for a climate control system includes a memory to store a plurality of constraints for the climate control system and a processor to choose a current climat... | 04/06/2010 |
| 7392661 | Energy usage estimation for climate control system An HVAC system controller which estimates the energy cost or savings incurred due to a user-instigated change in a climate control schedule. The HVAC system controller is adapted to operate a multi-zone climate control system in a building, and is especially adapted... | 07/01/2008 |
| 7207496 | Vent-blocking inflatable bladder for a retrofit HVAC zone control system An improved inflatable bladder for use as a zone climate control system valve to controllably permit and prevent airflow through a vent of a forced air HVAC system. The bladder is secured by a rigid strap which may be coupled to the vent near the vent opening. The b... | 04/24/2007 |
| 7188779 | Zone climate control A zone climate control system and method of its operation. A zone can be a single room. A method for determining which zones' vents are to be closed, and which are to be opened, in performing heating or cooling, circulation to heat or cool a zone by mixing its air w... | 03/13/2007 |
| 7162884 | Valve manifold for HVAC zone control A pressure and vacuum valve manifold system such as may be used, for example, to actuate pneumatic bladders controlling airflow in a forced air HVAC system to provide zone climate control. The valves are individually operable to connect a respective individual bladd... | 01/16/2007 |
| 7062830 | Installation of a retrofit HVAC zone control system A method of retrofitting a home automation zone climate control system into an existing HVAC system. A respective air tube is pulled through each vent of the ductwork, directly or by an intermediate line, by a parachute which is sucked from the vent to the plenum by... | 06/20/2006 |
| 6997390 | Retrofit HVAC zone climate control system A low cost and easy to install zone climate control system for retrofit to an existing forced air HVAC system, that provides independent minute-by-minute, day-by-day, and room-by-room climate control, including easy to use methods for specifying temperature schedule... | 02/14/2006 |
| 6983889 | Forced-air zone climate control system for existing residential houses A low cost and easy to install zone climate control system for retrofit to an existing forced air HVAC system, that provides independent minute-by-minute, day-by-day, and room-by-room climate control, including easy to use methods for specify temperature schedules a... | 01/10/2006 |
| 6786473 | String to tube or cable connector for pulling tubes or cables through ducts A connector for connecting a pull string to a tube or cable for pulling the tube or cable through a duct. When an obstructing edge stops progress, the connector converts additional pull string tension into a rotation force that enables the connector header to pivot ... | 09/07/2004 |
