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 |
| 7677062 | Washing machine with spraying device A spraying device for a washing machine includes a body including a wall having an outer surface, a water inlet and a channel defined therein. The channel is in flow communication with the water inlet, and a plurality of nozzles extend through the wall and in flow c... | 03/16/2010 |
| 7424810 | Washing machine with water direction device A washing machine including a tub, a basket rotatably mounted within the tub, and a spraying ring disposed at a top portion of the tub, and including a plurality of nozzles arranged in groups, the nozzles separated by a first distance, the groups separated by a seco... | 09/16/2008 |
| 7299666 | Porthole door for a front-loading drum washing machine The porthole door has a hinged frame (4) on the housing of the washing machine, consisting of a supporting ring (6) and a retaining ring (8). The supporting ring (6) supports an inspection glass (5) which is recessed in the form of... | 11/27/2007 |
| 7263864 | Penetration type washing machine, method for controlling the same, and tub cover for the same Method for controlling a full automatic washing machine, the method comprising a washing cycle, a rinsing cycle, and a dewatering cycle, wherein the washing or the rinsing cycle includes the step of rotating an inner tub at a high speed higher than a preset speed in... | 09/04/2007 |
| 7263862 | Penetration type washing machine, method for controlling the same, and tub cover A washing machine is provided. The washing machine includes an outer tub configured to store washing water, an inner tub rotatably mounted in the outer tub, a pulsator configured to form a water circulation for washing laundry, and a motor installed under the outer ... | 09/04/2007 |
| 7254970 | Laundry treatment machine The invention relates to a laundry treatment machine, more especially a washing machine or a laundry dryer, comprising a drivable drum which accommodates laundry and is rotatably mounted in a container integral with the housing, wherein the container is provided wit... | 08/14/2007 |
| 7254969 | Ribbed washing machine basket A basket for a washing machine includes a body comprising an outer wall and at least one rib extending radially inward from said wall, said rib comprising at least a first portion having a first cross section and a second portion having a second cross section, said ... | 08/14/2007 |
| 7216516 | Wobble joint A wobble joint particularly useful for supporting a wash plate in a wash basket of an automatic washing appliance includes inner and outer races formed with mating part-spherical surfaces having common centers of curvature about a longitudinal axis of the joint. Ant... | 05/15/2007 |
| 7178368 | Rotating-drum washing machine The washing machine comprises a rotating drum (4) formed by two complementary portions, a first one (6) of which is connected to driving means (10, 11), while the other one (7) is rotatably free with respect to the first one (6), b... | 02/20/2007 |
| 7171828 | Washing machine A washing machine includes a wobbling device having a rotary blade. The wobbling device causes a wobbling action of a washboard without rotating the washboard during a washing mode operation, and rotates the rotary blade in one direction to allow a sufficient amount... | 02/06/2007 |
| 7155942 | Balance weight in drum type washing machine and manufacturing method thereof A cement balance weight for a drum type washing machine and its manufacturing method. The balance weight includes a housing having a predetermined inner space and an opening for cement injection. The housing includes coupling features that assist coupling the balanc... | 01/02/2007 |
| 7140123 | Roller and clothes drying apparatus provided with the same A roller capable of easily absorbing impact transmitted thereto while maintaining a desired level of abrasion resistance, and a clothes drying apparatus provided with the roller. The roller is provided with an impact absorption enhancer capable of causing the roller... | 11/28/2006 |
| 7108001 | Method and apparatus for rotation of a workpiece in supercritical fluid solutions for removing photo resist, residues and particles therefrom A supercritical fluid cleaning system uses process fluid for operating rotary motors in the chamber with fluid bearings and fluid load levitation for rotating workpieces and impellers. Rotating speed and direction sensors and a home position locator facilitate motor... | 09/19/2006 |
| 7107798 | Drive mechanism for an automatic washer A drive mechanism for a vertical axis automatic washer. The washer has a rotatable wash basket, a rotatable agitator concentrically mounted in the wash basket and a drive motor. The drive mechanism includes a first drive shaft driven by the motor at a first rotation... | 09/19/2006 |
| 7021087 | Methods and apparatus for applying a treatment fluid to fabrics The present invention relates to methods and/or systems for applying treatment fluid to a plurality of fabric articles in a fabric treatment apparatus. The present invention is also directed to an apparatus capable of carrying out such methods and/or systems. ... | 04/04/2006 |
| 7021089 | Laundry appliance A laundry appliance such as a washing machine includes an outer housing and a drum rotatably mounted therein. The drum has an inner wall and an outer wall separate from the inner wall, the inner and outer walls being perforated to allow washing liquid to flow into a... | 04/04/2006 |
| 7010942 | Drum type washing machine A drum type washing machine includes a cabinet which defines an outer appearance of the washing machine, a water tub set inside the cabinet to contain wash water therein, a rotary tub having spin drying perforations and rotatably set in the water tub, and a water tu... | 03/14/2006 |
| 7000437 | System and method for economically viable and environmentally friendly central processing of home laundry An economically viable process and system for centrally processing multiple loads of laundry with minimum environmental impact. A system and method of laundering whereby successive loads of laundry may be washed while continuously providing effective soil removal co... | 02/21/2006 |
| 6938627 | Dishwasher A dishwasher is provided such that an impurity-collecting filter collecting impurities is detachably mounted to a front of a cabinet, thus allowing the impurity-collecting filter to be easily cleaned, and keeping a bottom of a washing tub cleaner. The dishwasher inc... | 09/06/2005 |
| 6931891 | Washing machine with a drain pump The invention provides a washing machine (10) having a front panel (11), a tube (14) for containing articles to be washed, a water inlet (16) for admitting water to the tub, a water outlet (26) for discharging water from the tub ( | 08/23/2005 |
| 6826932 | Drum-type washing machine A washing machine 10 of the drum type comprises a drum 20 rotatable about a horizontal or inclined center of rotation, a drive motor 50 for rotating the drum, liquid holding chambers 36 for holding a liquid therein centrifugally, means fo... | 12/07/2004 |
| 6701561 | Method and system for detecting fluid injection from stationary to rotating members Methods and systems are disclosed for detecting mass transfer in a rotating device or rotating system, such as a washing machine or dishwasher. Mass may be transferred from the stationary member to the rotating member. The transfer of the mass from the st... | 03/09/2004 |
| 6691536 | Washing apparatus The present invention relates to an apparatus for treating, refreshing or cleaning fabric articles, especially articles of clothing, linen and drapery.... | 02/17/2004 |
| 6681430 | Method and system for mechanizing simultaneous multi-actuator actions applied to dynamic balancing A method and system for dynamically balancing a rotating system based on a plurality of simultaneous and discrete control actions that place mass at predetermined locations within the rotating system so as to achieve balance is disclosed. A balance contro... | 01/27/2004 |
| 6658902 | Dynamic balancer for an automatic washer A dynamic balancer for an automatic washer includes an annular hollow first chamber. A first fluid is held within the first chamber and only partly fills the first chamber. An annular hollow second chamber is disposed adjacent to the first chamber and inc... | 12/09/2003 |
| 6550292 | Dynamic balancer for an automatic washer A dynamic balancer for an automatic washer includes an annular hollow first chamber. A first fluid is held within the first chamber and only partly fills the first chamber. An annular hollow second chamber is disposed adjacent to the first chamber and inc... | 04/22/2003 |
| 6502431 | Washing machine and method of breaking up same A washing machine that facilitates and simplifies the breaking up of the washing machine to recycle or re-use the components thereof and the method of breaking up the washing machine. A plurality of upper receptors are provided in the upper inside of the ... | 01/07/2003 |
| 6257027 | Full-automatic washing machine with two drive motors A full-automatic washing machine includes a rotatable tub for accommodating laundry together with water, an agitator provided in the rotatable tub for agitating the water or the laundry, a variable-speed washing motor for directly driving the agitator, an... | 07/10/2001 |
| 6134925 | Washing machine A washing machine having a water supply valve 10 to supply water into a washing spin tank 2. The washing spin tank 2 is rotatably provided inside outer tank 1. The washing machine also has a motor 5, etc., and a controller to control the washing machine a... | 10/24/2000 |
| 6116061 | Filtering type washing machine A washing machine includes an outer tub, an inner tub, fluid nozzle configured to spray fluid into the inner tub, a fluid pump, and a controller. The washing machine may also include a pulsator located in the inner tub for applying a force to clothing in ... | 09/12/2000 |
| 6065171 | Detergent dispensing method and apparatus for a vertical axis washer A detergent dispensing method and apparatus for an automatic vertical axis washer. The washer includes a tub ring having a louvered area creating a drop zone through which wash additives are directly dispensed into the wash tub. In addition, the washer fu... | 05/23/2000 |
| 6058743 | Washing machine A washing machine includes a wash-and-dewatering sink 4, a motor 6 rotating the wash-and-dewatering sink 4, a detergent fluid supply device 12 supplying detergent fluid to clothes in the wash-and-dewatering sink 4, and control unit controlling both the mo... | 05/09/2000 |
| 6059845 | Dry cleaning apparatus and method capable of utilizing a siloxane composition as a solvent A system and method are provided for dry cleaning articles utilizing a siloxane solvent. The system includes a cleaning basket for receiving articles therein and a one or more tanks for containing a siloxane solvent. Coupled between the tank and the clean... | 05/09/2000 |
| 5937677 | Washing machine having a spraying nozzle assembly A washing machine having a spraying nozzle assembly which not only evenly sprays a circulated washing liquid onto articles to be washed, but also effectively dissolves a detergent, thereby improving the washing efficiency. The spraying nozzle assembly has... | 08/17/1999 |
| 5878600 | Apparatus for generating an upward water jet in a clothes washer A clothes washing machine includes a spin-dry tub and an oscillatory agitator disposed at the bottom of the tub. The agitator includes a centrally located vertical hole in which an axial fan is mounted. A drive mechanism oscillates the axial fan relative ... | 03/09/1999 |
| 5878601 | Fully-automated washing machine In a fully-automated washing machine, a rotating cylindrical tub in which laundry is cleaned has an agitating rod installed through the center of the tub. A water-supply pipe is axially formed within the agitating rod by penetrating the same and connected... | 03/09/1999 |
| 5829276 | Washing machine equipped with pulsator to prevent entanglement of laundry An improved washing machine equipped with a pulsator to prevent entanglement of laundry capable of efficiently preventing entanglement of laundry by preventing clothes being washed from gathering at the central portion in the inner tub of the washing mach... | 11/03/1998 |
| 5823018 | Washing machine having a spraying nozzle assembly Disclosed is a washing machine having a spraying nozzle assembly which evenly and strongly sprays a circulated washing liquid onto an article to be washed. The washing machine has a housing, an outer tub disposed in the housing so as to receive the washin... | 10/20/1998 |
| 5787735 | Bleach liquor recovery system A bleach liquor recovery system for a commercial bleaching apparatus. The recovery system includes a bleaching tank for bleaching loads of textile fabric items with a predetermined batch volume of bleach liquor and a bleach liquor supply system for provid... | 08/04/1998 |
| 5771719 | Washing machine having a centrifugal pump Disclosed is a washing machine having a centrifugal pump which not only sprays washing liquid onto the articles to be washed by circulating the washing liquid, but also supplies air bubbles into a spin tub, thereby improving the washing effect. The centri... | 06/30/1998 |
