Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7421852 | Media sampling device A monitoring device for use in monitoring the life of a filter used in the operating unit of an air conditioning system. The monitoring device has a support for use in attaching the device to the housing of the operational unit in the air conditioning system, the un... | 09/09/2008 |
| 7416587 | Heat regenerative deodorizing filter A thermally regenerative deodorizing filter, which comprises a deodorizing filter comprising a deodorant which is adaptable to a thermal regeneration and a honeycomb base material having a heat conductivity which carries the deodorant, and a heating element for rege... | 08/26/2008 |
| 7368004 | Electric dust collector The electric dust collector has an oblong holding unit provided on the air channel of an air conditioner or the like; a high-voltage applying device provided at an end of the holding unit; a front-open contact protector of substantially inverted U-shape that contain... | 05/06/2008 |
| 7354473 | NBC-building protection system and method A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for... | 04/08/2008 |
| 7350371 | Indoor device of separable air conditioner Disclosed is an air conditioner enabling to perform an air purifying function in an optimum state according to a pollution level of room air, the air conditioner including a cabinet having a first air inlet for drawing in the air, and an air outlet for discharging p... | 04/01/2008 |
| 7332020 | Gas treating device A gas treating device capable of electrically collecting dust and of decomposing odors and other matter by plasma includes a plasma generating device integrally incorporated into an ionization part in a casing. The ionization part has an ionization line and a column... | 02/19/2008 |
| 7310966 | Universal direct current brushless air conditioning system A universal direct current brushless air conditioning system preferably includes a blower unit and a compressor unit. The blower unit preferably includes an evaporator, at least one inlet fan, at least one outlet vent, a direct current controller, a thermostatic exp... | 12/25/2007 |
| 7281384 | Poultry chiller with improved product distribution and antibacterial count Birds are moved through chilled water by bird moving means such as an auger or by a series of paddles. The birds tend to accumulate in a predetermined path in the water. Streams of water that include an antibacterial additive are directed toward the predetermined pa... | 10/16/2007 |
| 7270698 | Discharge device and air purifier The distance between a discharge electrode and a counter electrode of a discharge device is set to not more than 10 mm such that a streamer discharge is caused between the electrodes. The frequency of sound made by the streamer discharge is raised to 6 kHz or higher... | 09/18/2007 |
| 7266971 | Air conditioner Disclosed is an air conditioner having an excellent air cleaning function, the air conditioner including a cabinet having a first air inlet and discharging conditioned air; and a filter unit provided at the cabinet and cleaning air drawn therein, and selectively per... | 09/11/2007 |
| 7264645 | Plate-shaped filter element A plate-shaped filter element made from several wire cloth layers and having at least one layer in the form of a filter cloth is designed to allow particles of a certain size can be filtered out from a filterable material, whereby, in particular, particles can be fi... | 09/04/2007 |
| 7238225 | Plasma air dust collector In a plasma air dust collector, the plasma air dust collector includes a first electrode fixing unit and a second electrode fixing unit respectively having a power terminal; at least two dust collecting electrodes; a discharge electrode arranged between the dust col... | 07/03/2007 |
| 7174724 | Chiller with improved product distribution The chiller includes a semi-cylindrical tank (36) that conforms to the perimeter of its auger (38) so that the water can be raised to a water level (68) high above the auger shaft (44). Streams of water (84) are directed from the p... | 02/13/2007 |
| 7028506 | Indoor unit of packaged air conditioner Disclosed is an indoor unit of a packaged air conditioner including a cabinet having an inlet grill at a lower part and an outlet grill at an upper part so as to provide a circulation space of an indoor air, an evaporator established on a slant at an inner upper par... | 04/18/2006 |
| 6980878 | Membrane valve controller of a dust-collecting device A kind of membrane valve controller of a dust-collecting device, mainly comprises a count conduction control template and a extending template so as to provide a applied structure which can realize modular extending unlimitedly, and accurate count control of the con... | 12/27/2005 |
| 6920874 | Intelligent ventilating safety range hood An improved ventilating range hood that drives a variable speed fan according to the state of four distinct air quality sensors: temperature, humidity, Carbon monoxide and smoke. A micro-controller is used to integrate the four signals and determine the appropriate ... | 07/26/2005 |
| 6912864 | Evaporator for refrigerated merchandisers A refrigerated merchandiser includes a case defining a product display area and an air passage separate from the product display area. The case includes a rear wall separating in part the product display area from a vertical portion of the air passage. The rear wall... | 07/05/2005 |
| 6779358 | Water collection and dispensing machine A water collection and dispensing machine having a primary housing with an air inlet and an air outlet, an air blower structured to draw air into the primary housing through the air inlet and push air out of said primary housing through the air outlet. The water col... | 08/24/2004 |
| 6729154 | Air conditioner An air conditioner having a dust removing device which enables dust having stuck to its filters to be automatically removed without fail and prevents the removed dust from sticking again to the filters is to be provided. It is equipped with a sliding device 6 | 05/04/2004 |
| 6694768 | Non-frost deep-freezing gas dehydrator The present invention related to a refrigeration dehydration apparatus for efficient and cost-effective dehydration of a variety of gases, in particular natural gas to very low dewpoint without solid ice/gas-hydrate deposition. The present invention provi... | 02/24/2004 |
| 6619054 | Condenser for dehumidifying gas A condenser, for cooling a gas flow containing a vapor to promote condensation of the vapor, has a generally cylindrical chamber. Gas is admitted at one end of the chamber and is given a swirl component of velocity. The gas then travels axially along the ... | 09/16/2003 |
| 6526773 | Air conditioner An air conditioner having a first connecting unit and a second connecting unit. The first connecting unit is forwardly protruded by a predetermined length from the front surface of the front panel and has a hinge shaft on an end thereof. This first connec... | 03/04/2003 |
| 6389832 | Grille for room air-conditioner A grille includes a frame base for mounting in the air input port of a room air-conditioner, the frame base having a latticed screen, a front recessed portion in front of the latticed screen, a plurality of stop rods spaced around the front recessed porti... | 05/21/2002 |
| 6345510 | Air-conditioning system An air-conditioning system is constructed to include a full-heat heat exchanger, the full-heat heat exchanger having a first inlet and a second inlet arranged at right angles, a first air filter unit connected to the first inlet of the full-heat heat exch... | 02/12/2002 |
| 6338382 | Air conditioner In an air conditioner equipped with an air cleaner, a front panel is provided with three air inlets: a first air inlet located on the front face of the front panel, a second air inlet located on the top face thereof, and a third air inlet located therebet... | 01/15/2002 |
| 6318109 | Low profile evaporator cabinet A low profile evaporator unit suitable for mounting on the ceiling of a small bus. The unit includes a cabinet containing an evaporator coil and a return air intake opening in the floor of the cabinet. A blower is mounted in the cabinet directly over the ... | 11/20/2001 |
| 6289689 | Water collection and dispensing machine A water collection and dispensing machine having a primary housing with an air inlet and an air outlet, an air blower structured to draw air into the primary housing through the air inlet and push air out of said primary housing through the air outlet. Th... | 09/18/2001 |
| 6226999 | Automobile air conditioner An evaporator is placed on an insulator, and the insulator, together with the evaporator, is made to easily be withdrawn out of a cooling case. Upper and lower edge portions of an air filter are freely guided and supported by a guide portion provided on a... | 05/08/2001 |
| 6199397 | Air conditioning installation with activated carbon filter An air conditioning installation is supplied with an activated carbon filter for cleaning the air to be supplied to the interior of a motor vehicle. A device is provided for cleaning the air filter and the air therein by heating, and air laden with by-pro... | 03/13/2001 |
| 6182741 | Air conditioner for preventing corrosion of evaporator An air conditioner includes a case accommodating an evaporator having a core portion and a lower tan disposed at a bottom of the core portion. The case has a recess portion disposed at an upstream air side of the evaporator, and a covering wall is formed ... | 02/06/2001 |
| 6182461 | Photocatalytic oxidation enhanced evaporator coil surface for fly-by control A heat exchanger coil has its fins coated with a photocatalytic semi-conductor material in such a manner that its fins may then be illuminated by UV light to activate the material so as to cause the oxidation of organic pollutants which are on the fin coi... | 02/06/2001 |
| 6178765 | Air conditioner having air cleaning function An air conditioner which includes therein a dust collecting device having a high voltage unit coupled to a power supply and discharge and dust collecting electrodes each coupled to the high voltage unit, and which has an air cleaning function for collecti... | 01/30/2001 |
| 6164082 | Air conditioner with air cleaner An air conditioner equipped with an air cleaner. In the air conditioner, a dust collector is arranged in an air path located behind a heat exchanger. A dust collecting electrode of the dust collector is combined with a heater for self-cleaning. An opening... | 12/26/2000 |
| 6155068 | Air conditioner An air conditioner includes a discharge electrode. The discharge electrode is arranged at a location spaced by a distance between the discharge electrode and a dust collecting electrode or greater. The discharge electrode also is positioned in a main stre... | 12/05/2000 |
| 6109054 | Air conditioner An air conditioner having at least more than one releasable electric dust collectors for collecting foreign objects such as dust and the like floating in the air sucked into a body of the air conditioner, the air conditioner comprising at least more than ... | 08/29/2000 |
| 6092385 | Cooling unit for vehicle air conditioner A cooling unit has a cooling casing for forming an air passage, and a cooling heat exchanger disposed in the cooling casing. The cooling casing is composed of upper and lower cases detachably connected to each other in an up-down direction on a connection... | 07/25/2000 |
| 6092386 | Air conditioner An air conditioner having a suction grille member for opening and closing suction inlets of a main body and at least one pair of electric dust collectors installed behind the suction grille member for convenient attachment or detachment for cleaning, the ... | 07/25/2000 |
| 6092387 | Air conditioner with electric dust collector An air conditioner includes an electric dust collector arranged between an evaporator and a heat shield plate. This electric dust collector includes a discharge electrode and a dust collecting electrode. The discharge electrode is applied with a positive ... | 07/25/2000 |
| 6023940 | Flow distributor for air conditioning unit A split air conditioner unit having a distributor located indoors for delivering refrigerant to a plurality of evaporator flow circuits. The distributor is connected to an outdoor condenser by a refrigerant line containing an expansion device. A strainer ... | 02/15/2000 |
| 4735781 | Apparatus for concentrating a suspension An apparatus for concentrating a suspension consisting of a hollow cylinder in which one or more tubes of a constant outward diameter extend in axial direction, in the wall of each tube at least one filter being mounted forming the only direct connection ... | 04/05/1988 |
