"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7392672 | Pulsator and washing machine using the same A pulsator includes a metallic upper pulsator having an inlet at a center of the pulsator and upwardly protruding upper washing ribs radially around the inlet and a synthetic resin lower pulsator having upwardly protruding lower washing ribs and contacting a lower s... | 07/01/2008 |
| 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 |
| 7213423 | Washing machine A washing machine capable of minimizing tangle and damage of the laundry is disclosed. The washing machine includes: a wash shaft installed perpendicularly at a lower center of an inner tub, and rotated by a rotational force transferred from a motor; a wash plate or... | 05/08/2007 |
| 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 |
| 7146671 | Method of controlling washing machine A method of controlling a washing machine having a wobbling device. The wobbling device is switched to a leveling position to operate a spin-drying tub and a washboard and to a wobbling position to operate the washboard. The control method of the washing machine inc... | 12/12/2006 |
| 7028512 | Washing machine A washing machine is provided, which washes laundry by mechanisms of vibration or/and pumping, thereby improving washing performance, and preventing the laundry from being damaged while reducing consumption of washing water. The washing machine includes an outer tub... | 04/18/2006 |
| 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 |
| 6145350 | Washing machine having sub-pulsator A washing machine having a sub-pulsator, the washing machine including a pulsator rotating in the left/right directions by a driving source during the washing process and guide duct mounted in a wash/spin-dry tub for guiding the washing water agitated by ... | 11/14/2000 |
| 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 |
| 6109072 | Clothes washer having rotational force conversion apparatus In a clothes washer having a rotational force conversion apparatus, the rotational force conversion apparatus comprises a disk cam formed on a driving shaft, a plurality of followers contacted with the disk cam and each having a coil spring which enables ... | 08/29/2000 |
| 6082152 | Washing machine having a washing liquid pumping apparatus A washing machine pumps a washing liquid towards an upper portion of a spin tub while a washing cycle is being executed. The washing machine has a pumping unit disposed at an underside of an outer tub so as to pump the washing liquid from a bottom wall of... | 07/04/2000 |
| 6070439 | Pulsator assembly for use in a washing machine for forming water flow spouting upward Disclosed is a pulsator assembly used in a washing machine. The pulsator assembly comprises of disc-shaped lower pulsator and upper pulsator. A spouting port is formed at a central part of the upper pulsator, and an inflow port is formed at the lower puls... | 06/06/2000 |
| 6041626 | Dual structure washing tub for use in a washing machine A washing tub for use in a washing machine has a reservoir water tub in a cabinet, a pulsator rotatably disposed at bottom thereof and a balancer mounted on top thereof. The washing tub includes an outer tube having a base and a body mounted on the base, ... | 03/28/2000 |
| 6035670 | Clothes washer having a compressed water generation apparatus A compressed water generation apparatus of clothes washer comprises a hollow body, a piston housed in the hollow body, a valve for allowing the water through an inlet opening formed at an upper portion of the hollow body in response to a movement of the p... | 03/14/2000 |
| 6016672 | Washing machine having a water guide for forming vertical and horizontal currents of wash water Disclosed is a washing machine having a water guide for forming a vertical and a horizontal flow of wash water. The washing machine comprises a washing and dehydrating tub for receiving the wash water; a pulsator for forming a rotational water flow within... | 01/25/2000 |
| 5950459 | Electric washing machine including washing tank and agitator which rotate in opposite directions An electric washing machine includes a washing machine body, a water tank fixed in the washing machine body and having an opening at the bottom, a double-cylindrical axis body formed of outer and inner rotary axes passing through the opening in the water ... | 09/14/1999 |
| 5946949 | Clothes washing machine having a water-ejecting pulsator A clothes washing machine has a pulsator and a spurting apparatus for spurting washing water upwardly from the center of the pulsator, so as to disperse laundry gathered thereabove. The spurting apparatus has at least one guide duct and a spurt cap. The g... | 09/07/1999 |
| 5943885 | Spin tub for a washing machine A spin tub, which is installed in a washing machine, includes a washing ring and a ring guide for guiding the washing ring to be rotated along an inner sidewall of the spin tub, an engaging means for fixing the ring guide on an inner sidewall of the spin ... | 08/31/1999 |
| 5941100 | Clothes washing machine having a water-ejecting pulsator for ejecting filtered water A clothes washing machine has a pulsator and a spurting apparatus for spurting washing water upwardly from the center of the pulsator, so as to disperse laundry gathered thereabove. The spurting apparatus has at least one guide duct and a spurt cap. The g... | 08/24/1999 |
| 5918486 | Washing machine having an apparatus for generating a turbulent flow in a spin tub A washing machine having an apparatus for generating a turbulent flow. The washing machine has a cabinet, an outer tub installed in the cabinet to receive a washing water, a spin tub mounted in the outer tub to receive articles, an apparatus installed at ... | 07/06/1999 |
| 5906116 | Clothes washing machine having a pulsator with a water-spurting duct In a clothes washing machine, washing water is caused to spurt upwardly from the center of a pulsator, so as to disperse laundry gathered above the center of the pulsator. A washing water spurting apparatus includes guide ducts mounted on an underside of ... | 05/25/1999 |
| 5906118 | Clothes washing machine having a reinforced pulsator A clothes washing machine has a washing water spurting apparatus for spurting washing water directly upwardly from a center of a pulsator. The washing water is guided by at least guide one duct affixed to the pulsator. The pulsator has a plurality of firs... | 05/25/1999 |
| 5906117 | Washing machine A clothes washing machine has a washing water spurting apparatus for spurting washing water directly upwardly from the center of a pulsator. The washing water spurting apparatus has at least one guide duct and a spurt cap. The spurt cap has a canopy formi... | 05/25/1999 |
| 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 |
| 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 |
| 5794633 | Washing machine with sub-pulsators A washing machine with sub-pulsators is disclosed. A pulsator for generating vortical water flow is installed at a bottom of a washing tub, and many sub-pulsators are mounted on an inner side wall of the washing tub. Many ducts for forming passages in a v... | 08/18/1998 |
| 5746071 | Washing machine having a washing liquid pumping apparatus Disclosed is a washing machine which can strongly pump a washing liquid towards an upper portion of a spin tub while a washing cycle is being executed. The washing machine has a housing and an outer tub disposed in the housing so as to receive the washing... | 05/05/1998 |
| 5715708 | Washing machine equipped with a washing tub of a multiple-stairstep shape A washing machine is disclosed which is equipped with a washing tub having a plurality of cylindrical side walls. The washing machine has a pulsator reception part, a washing tub body and a plurality of annular flat bases. The pulsator reception part has ... | 02/10/1998 |
| 5671617 | Clothes washing machine having a water passage for discharging water downwardly upon laundry being washed A clothes washer includes a laundry tub assembly disposed within a stationary main water tub. The laundry tub assembly includes outer and inner tubs rigidly attached together and radially spaced apart to form therebetween a space having a lower water inle... | 09/30/1997 |
| 5617747 | Washing machine with water pressurizing and spraying inner tub water passages A washing machine enables cleansing water pumped by a rotating blade during executing a washing operation to be sprayed upon laundry within an inner tub of the washing machine with a strong pressure. The washing machine includes a hollow cylindrical inner... | 04/08/1997 |
| 5509283 | Clothes washer having water recirculation system A clothes washing machine includes a water container, a spin-drying basket disposed in the container, and an oscillatory agitator disposed at the bottom of the basket. A plurality of upright water passages are formed in a vertical wall of the basket for c... | 04/23/1996 |
| 5507053 | Method of washing in a verticle axis washer A method of washing clothes in an automatic washer having an imperforate wash tub, a perforate wash basket disposed within the tub and rotatable about a vertical axis and a bottom plate disposed within the lower portion of the wash basket and mounted for ... | 04/16/1996 |
| 5504955 | Method of rinsing in a vertical axis washer A method of rinsing in an automatic washer having an imperforate wash tub, a perforate wash basket disposed within the tub and rotatable about a vertical axis and a bottom plate disposed within the lower portion of the wash basket and mounted for wobbling... | 04/09/1996 |
| 5205141 | Reciprocating laundry basket for an automatic washer A reciprocating laundry basket for an automatic washer is provided in which the basket has a peripheral wall, a bottom wall contiguous with the peripheral wall, a post mounted within the basket for rotation with the basket, a spray device mounted on the p... | 04/27/1993 |
| 5193361 | Agibasket washer with centrally located premixing chamber An apparatus for laundering a textile wash load that includes an imperforate wash tub having a sump at its lower end. A perforate wash basket that is adapted to receive a load of textile materials to be laundered is disposed concentrically within the wash... | 03/16/1993 |
| 5018372 | Filter for automatic washing machine A filter for a top loading automatic washing machine wherein a substantially horizontal filter disc is positioned such that its outer periphery seats against the underside of the clothes basket bottom which is upwardly inclined towards the middle. The dis... | 05/28/1991 |
| 4702092 | Apparatus for wet processing a continuous traveling web of material Apparatus for wet processing traveling continuous-length textile material includes a narrow U-shaped container for processing liquid through which the material passes in a U-shaped path and an agitating assembly positioned in the container between the rea... | 10/27/1987 |
| 4622708 | Clothes washing machines A clothes washing machine has a cabinet in which an agitator is mounted on a vertical axis and is oscillated back and forth within a perforated tub, the tub and the agitator rotating continuously in one direction to give a spin action and the perforated t... | 11/18/1986 |