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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Application No. | Application Title | Issue Date |
| 20110269082 | GAS PRESSURE CONTROL FOR WARM AIR FURNACES Systems, methods, and controllers for controlling gas-fired appliances such as warm air furnaces are disclosed. An illustrative furnace system can include a burner unit in communication with a combustion air flow conduit and heat exchanger, a variable speed inducer fan ... | 11/03/2011 |
| 20100122806 | Compact and Efficient Heat Exchanger, Furnace, HVAC Unit, Building, and Method of Making Compact and efficient apparatuses for transferring heat, heat exchangers, and furnaces, as well as HVAC units, HVAC systems, and buildings therewith, plus methods of making such devices. Furnace heat exchangers, for example, have an added stage, added in an unconvention... | 05/20/2010 |
| 20090127346 | METHOD AND SYSTEM FOR CONTROLLING A MODULATING AIR CONDITIONING SYSTEM A method for effecting cooperation between a modulating air conditioning system and a two-stage thermostat for satisfying an air conditioning load demand in a conditioned space includes: (a) operating the thermostat in a plurality of succeeding operating cycles to issue... | 05/21/2009 |
| 20080124667 | GAS PRESSURE CONTROL FOR WARM AIR FURNACES Systems, methods, and controllers for controlling gas-fired appliances such as warm air furnaces are disclosed. An illustrative furnace system can include a burner unit in communication with a combustion air flow conduit and heat exchanger, a variable speed inducer fan ... | 05/29/2008 |
| 20050092317 | Multistage warm air furnace with single stage thermostat and return air sensor and method of operating same A multistage furnace for heating residential or commercial spaces is operated by a single stage thermostat and a return air temperature sensor providing sensed temperature information to a controller. The furnace is started at a first, low firing rate and after a predet... | 05/05/2005 |
