Patents Examined by William Hong
  • Patent number: 6983685
    Abstract: A garbage can capable of compressing garbage volume consists of an outer cylinder and a top cylinder. A top cover has a top plate with a through hole. The circumference of the top plate extends downwards to form an inner wall and the outer circumference of the top plate extends downwards to form an outer wall such that a space between the outer and inner walls can be formed. The front and the back sides of the space form a front trough and a back trough respectively and a small sheaf is placed on the front and back sections of the left and right hand walls of the space with a pedal located below the upper cover. A reset component includes mainly a first elastic part and a second elastic part. The first elastic part is located inside the front trough of the top cover, and the two ends have been fixed on a wire pedal. The second elastic part is placed inside the back trough of the top cover, and the two ends are fixed respectively on pedal with the wire.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: January 10, 2006
    Inventor: Wen-Hsiung Ko
  • Patent number: 6824086
    Abstract: A method for creating ultra-fine particles of material using a high-pressure mill is described. The method includes placing a material in a first chamber and subjecting the material to a high-pressure fluid jet to divide it into particles. These particles are then transferred to a second chamber in which they are subjected to cavitation to further divide the particles into relatively smaller particles. These relatively smaller particles are then transferred to a third chamber, in which the particles collide with a collider to still further divide them into ultra-fine particles of the material. The mill of the present invention includes a first chamber having an high-pressure liquid jet nozzle, first and second slurry nozzles, a second cavitation chamber and a third chamber which houses a collider. In one embodiment, the slurry nozzle has an inner surface and sharp edges that project slightly out from the inner surface.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: November 30, 2004
    Assignee: Cornerstone Technologies, L.L.C.
    Inventors: Marian Mazurkiewicz, Bruce E. Conrad
  • Patent number: 6796881
    Abstract: In a machine for planarizing wafers, when a spindle carrier descends over the load station, it needs a way of determining whether it should descend to a first position suitable for depositing a wafer onto the load station or whether it should descend to a lower second position suitable for acquiring a wafer that is already present on the load station. The present invention provides a way of making this determination. The load station includes three upwardly-directed nozzles for use in supporting a wafer on three separate spaced cushions of purified water. The nozzles are supplied through branch conduits from a supply main. When no wafer is present, the pressurized water meets with little resistance as it is discharged from the nozzles. Accordingly, the pressure in the branches is relatively low. In contrast, when a wafer is present the wafer partially impedes the discharge of the water from the nozzles, causing the pressure in the branches to be greater than when no wafer is present.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: September 28, 2004
    Assignee: Lam Research Corporation
    Inventors: Michael R. Vogtmann, Terry L. Lentz
  • Patent number: 6749138
    Abstract: A granulator for reducing the size of plastic particles to facilitate the removal of contaminants therefrom. The granulator includes an upper chamber and a lower chamber defined by an exit screen. The upper chamber includes a rotary shear and an air handling system for creating a pressure drop across the screen to facilitate the transit of particulate material therethrough.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: June 15, 2004
    Assignee: Phoenix Technologies, L.P.
    Inventors: Thomas S. Hart, Jack L. Ritchie
  • Patent number: 6745961
    Abstract: A colloid mill utilizes a motor-driven shaft configuration that connects to the rotor of the colloid mill to the electric motor rotor. In this way, the mill rotor shaft is directly driven. Complex gear or belt drive arrangements between a separate electric motor and the fluid processing components of the colloid mill are thus avoided. Moreover, the gap between the mill rotor and mill stator can be adjusted simply by axially translating the motor-driven shaft. Such translation is provided by a timing belt-based arrangement to limit backlash. As a result, a simple hand-operated knob or stepper motor arrangement can be used to control the gap.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: June 8, 2004
    Assignee: APV North America, Inc.
    Inventor: Harald O. Korstvedt
  • Patent number: 6739955
    Abstract: Conditioning systems and methods for conditioning polishing pads used in mechanical and chemical-mechanical planarization of microelectronic-device substrate assemblies. In one aspect of the invention, a conditioning system includes a conditioning element or conditioning member having a conditioning face configured to engage a polishing pad. The conditioning face preferably includes a bonding medium covering at least a portion of the conditioning face and a plurality of conditioning particles attached to the bonding medium. The conditioning system also includes a corrosion-inhibiting unit that can be coupled to the conditioning element or a liquid on the polishing pad. The corrosion-inhibiting unit retards corrosion of the bonding medium in the presence of chemicals on the polishing pad that would otherwise corrode the bonding medium.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: May 25, 2004
    Assignee: Micron Technology, Inc.
    Inventor: John Skrovan
  • Patent number: 6719227
    Abstract: A method for fabricating a gearless grinding mill motor includes fabricating a plurality of linear stator portions and assembling a grinding mill stator from the linear stator portions.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: April 13, 2004
    Assignee: General Electric Canada Inc.
    Inventor: Serge Louis Scuccato
  • Patent number: 6708910
    Abstract: A pump and grinder assembly is provided for use with a steam producing device having a housing defining a water chamber. The assembly includes a motor having a rotatable output shaft and a pump and grinder shaft coupled to the output shaft for rotation therewith. A blade assembly, having a plurality of blades, is secured to the pump and grinder shaft for rotation therewith. A housing is interconnected to a stationary portion of the motor and defines a grinding chamber housing the blades therein. The assembly is mountable on a steam producing device so that the grinding chamber communicates with the water chamber of the steam producing device. The pump and grinder assembly is operatively effective for pumping water and loose scale contained within the water out of the steam producing device and grinding the scale into relatively smaller pieces.
    Type: Grant
    Filed: May 11, 2002
    Date of Patent: March 23, 2004
    Assignee: Delaware Capital Formation, Inc.
    Inventor: Roger R. Moore, Jr.
  • Patent number: 6705555
    Abstract: A lift station and method for lifting liquid and chips flowing in a shallow stream trough to a higher level for further handling by rotation of a bladed wheel in a housing arranged to receive the liquid flow stream. The rotating blades cause the liquid to be swept up a forward housing wall and to be slung off the blades into an upwardly and backwardly extending exit chute, having sufficient momentum to reach and pass over a weir edge at the upper end of the chute, the liquid then directed into a collection tank where it may accumulate to a much greater depth than the depth of the flow stream.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: March 16, 2004
    Inventor: Jack R. Bratten
  • Patent number: 6691939
    Abstract: A pressure differential material transport system to transfer materials with an airflow to a sewer system. Embodiments of the pressure differential material transport system may be used for residential or industrial applications to dispose of materials to the sewer or to a comminutor to reduce the size of materials prior to disposal.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: February 17, 2004
    Assignee: Tommin Enterprises, LLC
    Inventor: Richard T. Grimes
  • Patent number: 6684763
    Abstract: A method and apparatus are provided for crushing and sorting cans to collect waste cans in an optimal weight-to-volume ratio are provided. The method includes determining whether or not an object is supplied to a can crushing device and whether or the supplied object is a can by a proximity sensor installed at a can supply unit, and when it is determined that the supplied object is a can, opening an opening/closing plate installed at the can supply unit, thereby supplying the can into a crushing/sorting/discharging unit, and crushing/sorting/discharging for crushing the supplied can by a crushing plate installed in the crushing/sorting/discharging unit, sorting the crushed can using an electromagnetic force applied to the crushing plate by electromagnets mounted on the crushing plate, in accordance with the material of the can, and then discharging the sorted can.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: February 3, 2004
    Inventor: Chang-Geun Park
  • Patent number: 6685417
    Abstract: An easy open safety end having a central portion and a rim portion separated by a score line. A tab applies a force to the end adjacent the score line so as to shear the score line at opening. A circumferentially extending fold is formed in either the central portion or the rim portion, or both, to protect the user from being cut by the sharp edge the results upon shearing the score line. A first circumferential portion of the fold is tight, whereas a second portion, which is preferably proximate the tab is loose. The fold is displaced below a portion of the end adjacent the score line by a circumferentially extending gap. In the tight portion of the fold, the width of the gap is less than the thickness of the end, and preferably less than one half the thickness, whereas in the loose portion of the fold, the width of the gap is greater than the thickness of the end, and is preferably at least twice the thickness of the end.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 3, 2004
    Assignee: Crown Cork & Seal Technologies Corporation
    Inventors: Paul R. Heinicke, William A. Kirk
  • Patent number: 6685117
    Abstract: In a mill drying plant with a roller grinding mill and preferably in a cement production plant operated in compound with a clinker burning process and having a kiln fan and a fan downstream of a filter, a mill fan is connected upstream of the roller grinding mill as a further fan. This makes it possible to overcome the resistance of the roller grinding mill blade ring and to force the pressure zero point into the roller grinding mill, so that there is a low vacuum above the blade ring in the milling and classifying chamber and in the filter.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: February 3, 2004
    Assignee: Loesche GmbH
    Inventor: Franz Poeschl
  • Patent number: 6685120
    Abstract: The present invention related to devices for mechanically separating hay bales. More particularly, the present invention relates to devices intended to flake rather then shred or grind bales. The invention is of the type having a horizontal main frame, a biasing means thereon for moving a hay bale, a separation means toward which the biasing means moves the bale, and a transportation means for moving the bale to the locate at which hay is desired to be flaked.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: February 3, 2004
    Inventor: Kenny Grellner
  • Patent number: 6672524
    Abstract: A dual chamber condiment grinder has more than one chamber for holding a different condiment in each, and each chamber has a rasp that can be selectively moved up and down to grind the condiment in the associated chamber. An actuating handle rotates on the top of the chambers to position a cam over one or the other of the rasps to selectively grind the contents of one of the chambers. In the alternative, the cam can move in a slot in a movable handle to position the cam over the desired rasp.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: January 6, 2004
    Assignee: Chef'N Corporation
    Inventors: David A. Holcomb, Peter A. Ryding
  • Patent number: 6672946
    Abstract: Apparatuses and methods for planarizing a microelectronic-device substrate assembly on a planarizing pad. In one aspect of the invention, material is removed from the substrate assembly by pressing the substrate assembly against a planarizing surface of a planarizing pad and moving the substrate assembly across the planarizing surface through a planarizing zone. The method also includes replacing at least a portion of a used volume of planarizing solution on the planarizing surface with fresh planarizing solution during the planarization cycle of a single substrate assembly. The used planarizing solution can be replaced with fresh planarizing solution by actively removing the used planarizing solution from the pad with a removing unit and depositing fresh planarizing solution onto the pad in the planarizing zone.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: January 6, 2004
    Assignee: Micron Technology, Inc.
    Inventors: Dinesh Chopra, Scott G. Meikle
  • Patent number: 6655615
    Abstract: A tearing mill for comminuting fruits (3) is equipped with a tearing bed (15) with tearing elements (4) and delivery vanes (5) for the fruits (3). Directly upstream of the tearing elements (4) in terms of the delivery direction (v), openings (16) for the comminuted pieces of fruit (8) are disposed in the tearing bed (15). As a result, low mechanical stress on the comminuted product (8) and a small proportion of fine particles are achieved, which improves the yield and output in an ensuing juice extraction operation.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: December 2, 2003
    Assignee: Bucher-Guyer AG
    Inventor: Eduard Hartmann
  • Patent number: 6655614
    Abstract: A method for re-using unneeded expanded styrene and an apparatus for preparing comminuted expanded styrene that can be used as a starting material for injection molding. The expanded styrene is rendered re-usable through a first step of comminuting expanded styrene, a second step of illuminating far-infra-red light to the expanded styrene comminuted by the first step to reduce its volume, a third step of further comminuting expanded styrene, reduced in volume by the second step, to prepare a granulated material, and a fourth step of injection-molding the granulated material from the third step to prepare a regenerated article.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: December 2, 2003
    Assignee: Sony Corporation
    Inventor: Syuzo Tanaka
  • Patent number: 6651530
    Abstract: A button system and method of manufacturing the same are provided for identifying fiber from which an article of apparel is manufactured. Initially, an article of apparel manufactured with a predetermined fiber is identified. Next, indicia indicative of the predetermined fiber is selected. Next, at least one button is manufactured with the indicia thereon for identifying the fiber from which the article of apparel is manufactured.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: November 25, 2003
    Inventors: Victoria I. Pettigrew, Stephen H. Pettigrew
  • Patent number: 6651914
    Abstract: A method comprising grinding a contaminated material in a pulverizing mill to inactivate parasite or microorganisms is claimed. The contaminated material is exposed to an alternating mechanical energy field. Oscillating stress and pressure amplitudes is created in a macrosonic field of mechanical energy.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: November 25, 2003
    Inventor: Bertwin Langenecker