Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Application No. | Application Title | Issue Date |
| 20110068486 | HUMIDIFIER WITH VARIABLE WATER DELIVERY A humidifier for adding humidity to an air stream of an HVAC system during a call for humidity includes an air intake configured to fluidically interface with an HVAC duct, a humidifier pad, a valve for controlling delivery of water from a water source to the humidifier... | 03/24/2011 |
| 20100327069 | GEOTHERMAL HVAC SYSTEM FOR MODULAR BUILDINGS A method, a system and a device for providing a geothermal HVAC system that is assembled and installed in a modular section prior to transport to a building site location. The system includes a modular section that is configured to be transported to a building site loca... | 12/30/2010 |
| 20100102135 | Method for Controlling a Multi-Zone Forced Air HVAC System To Reduce Energy Use In a multi-zone control system for central forced air HVAC systems where the minimum conditioned airflow produced by the HVAC equipment significantly exceeds the airflow capacity to many of the zones, the invention is an energy saving method for choosing non-calling zon... | 04/29/2010 |
| 20100019050 | Automatic Climate Control for a Vehicle A system and method of operating an automatic climate control system for a vehicle is disclosed. The method may include determining a breath level air temperature in a passenger compartment of the vehicle; determining a mean radiant temperature in the passenger compartm... | 01/28/2010 |
| 20090207567 | METHOD AND AIR-COOLING UNIT WITH DYNAMIC AIRFLOW AND HEAT REMOVAL ADJUSTABILITY Method and air-cooling unit are provided for dynamically adjusting airflow rate through and heat removal rate of the air-cooling unit to facilitate cooling of one or more electronics racks of a data center. The air-cooling unit includes a housing, an air-moving device, ... | 08/20/2009 |
| 20090108082 | Programmatic climate control of an exercise environment An apparatus is disclosed for programmatically controlling the climate of a localized exercise environment so as to accommodate the evolving needs of exercisers during a workout. In preferred embodiments, the localized environment is an enclosed exercise room or the are... | 04/30/2009 |
| 20090071176 | REFRIGERATOR UNIT FOR CONTAINER A refrigerator unit is configured for a container in which it is possible to know the quantity of air that is ventilated. The refrigerator unit is equipped with a ventilation mechanism, an opening degree detecting mechanism, and a recording unit. The ventilation mechani... | 03/19/2009 |
| 20080207109 | Ventilation Register and Ventilation Systems Displacement ventilation systems are generally poor performers when it comes to heating. The instant patent application discusses devices and systems for improving heating performance while retaining the benefits of displacement ventilation without wholesale co-location... | 08/28/2008 |
| 20080161976 | Fully articulated and comprehensive air and fluid distribution, metering, and control method and apparatus for primary movers, heat exchangers, and terminal flow devices The described method and apparatus pertains namely to the HVAC (Heating, Ventilating, and Air Conditioning) industry, though its many functions extend into any and all forms of air-fluid movement, metering, distribution, and containment. Essentially, the scope of operat... | 07/03/2008 |
| 20080036411 | Air cleaner and air cleaner state backup An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a volatile memory including an air cleaner state memory element and a non-volatile memory including an air cleaner state backup memory element. The air cleaner is configured... | 02/14/2008 |
| 20080000246 | Conveying Temperature Information in a Controlled Variable Speed Heating, Ventilation, and Air Conditioning (HVAC) System The present invention provides methods and apparatuses that support the transfer of data from a thermostat unit to a controller unit to control a variable speed heating, ventilation, and air conditioning (HVAC) system. The duty cycle of a signal (that is sent from a the... | 01/03/2008 |
| 20070267508 | AUXILIARY STAGE CONTROL OF MULTISTAGE THERMOSTATS Systems and methods for the auxiliary stage control of multistage thermostats are disclosed. An illustrative multistage thermostat for a multistaged HVAC system installed within a building or structure can include a processor having a control algorithm adapted to operat... | 11/22/2007 |
| 20070095523 | Ventilation system The invention relates to a ventilation system for exchanging the air in a room with outside air, which system comprises: A fine wire heat exchanger having a first channel and a second channel, which channels are in heat-exchanging contact with each other, and wherein th... | 05/03/2007 |
| 20060118646 | Method and controller for determining carbon dioxide emissions from a recirculating air heater A method of determining the amount of air flowing through an outside air damper of a recirculating air heater includes the steps of sensing an amount of airflow flowing through the damper, recording the amount of airflow and a damper position value at a plurality of dam... | 06/08/2006 |
| 20050258259 | Fully articulated and comprehensive air and fluid distribution, metering, and control method and apparatus for primary movers, heat exchangers, and terminal flow devices The described method and apparatus pertains namely to the HVAC (Heating, Ventilating, and Air Conditioning) industry, though its many functions extend into any and all forms of air-fluid movement, metering, distribution, and containment. Essentially, the scope of operat... | 11/24/2005 |
| 20050116054 | Automotive HVAC device The invention provides a device for heating, ventilating and air conditioning in vehicles and includes a temperature flap arranged rotatable in the region of a hot air channel and a cold air channel. The temperature flap is designed to largely reduce the temperature dip... | 06/02/2005 |
| 20050116055 | 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 schedules an... | 06/02/2005 |
| 20050092261 | Temperate water supply system A temperate water supply is provided. The temperate water supply system includes a temperate water storage tank and a heat exchanger. The temperate water storage tank has a first tank inlet, a first tank outlet, a second tank inlet and a second tank outlet. The first ta... | 05/05/2005 |
| 20050087613 | Method for regulation of displacement conditioners, and system Combined regulation of the power supplied by the conditioner and of the air flow rate of the conditioner is carried out so as to maintain the temperature gradient between air entering and air leaving the same conditioner high, in order to allow perfect functioning of di... | 04/28/2005 |
| 20050006488 | Fully articulated and comprehensive air and fluid distribution, metering, and control method and apparatus for primary movers, heat exchangers, and terminal flow devices The described method and apparatus pertains namely to the HVAC (Heating, Ventilating, and Air Conditioning) industry, though its many functions extend into any and all forms of air-fluid movement, metering, distribution, and containment. Essentially, the scope of operat... | 01/13/2005 |
