Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8109009 | Air seal for rotary dryer/kiln A rotating drum in an oven is sealed against hot gas and air transfer. An annular outer seal holder has an L shaped cross section. A first end of the holder is connected to the oven. A second end is a radial flange. A backing plate has first and second sections. The... | 02/07/2012 |
| 7302815 | Washing machine and dryer having being improved duct structure thereof Disclosed is a washing machine and dryer having a condensation unit (700). A tub (200) is installed in a cabinet (100), and a drum is rotatably installed within the tub (200). A drying duct (610) has one end connected with an inter... | 12/04/2007 |
| 7254967 | Drum-type washing machine equipped with drying device A drum-type washing machine is equipped with a drying device, which increases condensing efficiency by increasing the contact of air flowing along a condensing duct with cooling water, and prevents water formed in a condensing duct from flowing into a fixed drum. Th... | 08/14/2007 |
| 7194824 | Clothes drying apparatus A clothes drying apparatus in which lifters arranged on an inner peripheral surface of a rotating drum, while extending axially along the rotating drum, have an improved structure to achieve an enhancement in drying performance. The clothes drying apparatus includes... | 03/27/2007 |
| 7188437 | Drying unit for washing machines Disclosed herein is a drying unit for washing machines that is capable of fully drying the wet laundry using hot wind. A condensing duct and a drying duct are connected to a tub to circulate air in the tub. Between the drying duct and the condensing duct is disposed... | 03/13/2007 |
| 7178264 | Washing machine with a drying device A washing machine includes a water tub for accommodating wash water therein; a drum rotatably installed in the water tub; and a drying device for supplying hot air into the drum. The drying device includes a blower unit for forcing air to flow; a hot air supply duct... | 02/20/2007 |
| 7047666 | Clothes dryer and method for utilizing an ultrasound atomizer A clothes dryer includes at least one clothes drum for receiving textiles and at least one ultrasound atomizer disposed in the dryer for generating an aerosol from a liquid. The invention further relates to a method for introducing an aerosol into the clothes drum o... | 05/23/2006 |
| 7021088 | Combination drier and washer and aeration apparatus thereof An aeration apparatus for a combination drier and washer comprises an air circulation duct connected from one portion of a tub to the other portion for circulating air in the tub; an aeration tube connected from the air circulation duct to outside of the case for in... | 04/04/2006 |
| 7013577 | System and method for testing a fire suppression system in a clothes dryer A clothes dryer has a test button for testing the fire suppression system of the dryer. The test button is connected to the temperature sensor of the fire suppression system such that when the test button is actuated it presents a signal, such as by shorting the two... | 03/21/2006 |
| 6966124 | Drum washing machine A drum washing machine, which has a clothes-drying unit with a plurality of heat pipes. The heat pipes recover, during a drying-mode operation of the drum washing machine, heat from high temperature humid air flowing from a water tub, and combine the recovered heat ... | 11/22/2005 |
| 6930492 | Using surface microwaves for measuring and determining density and/or moisture content of a material Using surface microwaves for measuring and determining density and/or moisture content of a material. Positioning material within a proximate free space region spanning immediately above surface of a surface microwave waveguide, the surface microwave waveguide inclu... | 08/16/2005 |
| 6463677 | Method and device for moisture profiling Method and device for moisture profiling of fibrous material web to be dried in machines for manufacturing and/or refining of fibrous material web. Method includes subjecting fibrous material web to electromagnetic waves in the form of high-frequency wave... | 10/15/2002 |
| 6393725 | Compact microwave clothes dryer and method Compact microwave clothes dryer and method in which the dryer is small enough to be placed on a countertop, and air is circulated past microwave generator and power supply components to the drying chamber to transfer heat from the components to clothes in... | 05/28/2002 |
| 5983520 | Microwave dryer for washing machine A microwave dryer for a washing machine is disclosed. The dryer includes an outer tub installed within a main body; a washing tub installed inside the outer tub and being rotatable during a washing and drying mode for laundry; a driving shaft passing thro... | 11/16/1999 |
| 5606804 | Microwave clothes dryer and method with hazard detection Microwave clothes dryer and method in which an impending fire and/or explosion is detected by monitoring gases from the drying chamber with a solid state gas sensor to detect the presence of a gas associated with fire or an explosion. In the disclosed emb... | 03/04/1997 |
| 5555641 | Device and method for controlling drying period of time of a laundry dryer This invention relates to a control of drying period of time of a laundry dryer which is provided to use the microwave generated from a magnetron and the heat generated from a heater efficiently, and allows to dry every nook and corner of laundry within a... | 09/17/1996 |
| 5463821 | Method and apparatus for operating a microwave dryer A method and apparatus for operating a microwave dryer having a rotating drum with radially inwardly extending baffles for tumbling and turning over clothes, the baffles housing microwave magnetron tubes for emitting microwaves into the drum. Air can be c... | 11/07/1995 |
| 5396715 | Microwave clothes dryer and method with fire protection Microwave clothes dryer and method in which water is introduced into the chamber in response to detection of an impending fire to immediately increase the moisture content of the clothes throughout the chamber to a level which will not sustain combustion.... | 03/14/1995 |
| 5325600 | Method and apparatus for the prevention of scorching of fabric subjected to microwave heating The present invention features a UV tube detector for sensing a resonant arcing condition in a microwave environment. Where clothing or fabric is being dried in a magnetron-powered, microwave chamber, the UV tube detector is placed in proximity to the fab... | 07/05/1994 |
| 5187879 | Fabric dryer with rotary microwave choke seal A fabric drying system employs a rotating chamber for containing fabric to be dried, a source of microwave energy for heating the moisture in the fabric and rotary choke seals that contain the microwave energy within the rotating chamber. The rotary seals... | 02/23/1993 |
| 4996779 | Plastic material dryer A method of and apparatus for effectively drying pelletized or powdered plastic material by irradiation of the plastic material by microwaves while agitating it in a rotating drum that provides for sealing against leakage of plastic material or microwaves... | 03/05/1991 |
| 4765066 | Microwave clothes dryer A microwave clothes dryer is disclosed. The dryer includes a rotatable drum that is supported at one of its ends by an annular driven pulley member which is rotatingly carried by and bears upon a cantilevered cylindrical bearing support member. A motor, d... | 08/23/1988 |
| 4703565 | Fabric dryer An improved fabric dryer having a cabinet with a closable door, a stationary microwave impermeable container within the cabinet having an opening contiguous to and in alignment with the cabinet opening and having air inlets and an air outlet opening, a ma... | 11/03/1987 |
| 4523387 | Microwave treating mechanism A housing encloses a tumbler-type microwave opaque drum operating on a horizontal axis. A microwave power supply is mounted on the housing with the output directed axially into the drum. The drum has an inner coating or layer of microwave insulating mater... | 06/18/1985 |
| 4510697 | Microwave clothes dryer A microwave clothes dryer, including a housing around a rotating tumbler, a pivoted door on a front of the housing having a microwave heater on its inner side, and the tumbler being changeable in shape as it rotates.... | 04/16/1985 |
| 4510361 | Horizontal axis tumbler type microwave drying mechanism A hollow tumbler-type microwave opaque drum is mounted on the horizontal axis in a housing and is driven rotatably for tumbling articles laterally across the interior of the drum. A microwave power unit is disposed with the output thereof directed axially... | 04/09/1985 |
| 4356640 | Method of drying clothes and heating up laundry water and apparatus therefor The present invention provides a method and apparatus for exposing laundry to be dried and/or laundry water to be heated to a source of radiation. In addition, the source of radiation is disposed so that it is transmitted substantially loss-free between t... | 11/02/1982 |
| 4334136 | Microwave treating mechanism A housing rotatably supports a hollow drum on substantially a horizontal axis whereby articles to be treated tumble around the interior of the drum when the latter is rotated. A microwave power mechanism, such as a magnetron, is provided in a door for the... | 06/08/1982 |
| 4087921 | Microwave drying apparatus An apparatus for use in drying various kinds of finely divided materials utilizing microwave heating means for heating a rotating drum through which the material to be dried is drawn by suction. The apparatus includes means for separating the dried materi... | 05/09/1978 |
| 4057907 | Method and apparatus for drying clothes A dryer for the rapid drying of clothing and other articles is disclosed. The dryer includes a chamber which receives the clothes or other articles. A vacuum pump reduces the air pressure within the chamber to below atmospheric. A microwave emitter direct... | 11/15/1977 |
