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| Number | Title | Issue Date |
| 7264679 | Cleaning of chamber components In a method of cleaning a surface of a substrate processing chamber component to remove process deposits, the component surface is cooled to a temperature below about −40° C. to fracture the process deposits on the surface. The surface can be cooled by immersing ... | 09/04/2007 |
| 7232360 | Uninterrupted abrasive fluid supply A substantially uninterrupted flow of a pressurised abrasive slurry is maintained by successively charging each of a plurality of vessels V1, V2 with an abrasive material while discharging an abrasive slurry from another of the vessels at a common outl... | 06/19/2007 |
| 7052362 | Blendable blasting media and method of reusing and discharging same An apparatus and method for applying a blasting media, comprised of at least first and second separate types of particles, to a surface to be treated. Each type of particle may comprise a core coated with a desired component, e.g. abrasive, absorptive, polishing, et... | 05/30/2006 |
| 6905400 | Method and apparatus for dressing polishing cloth A polishing cloth mounted on a turntable is dressed by bringing a dresser in contact with the polishing cloth for restoring the polishing capability of the polishing cloth. The dressing is performed by measuring heights of a surface of the polishing cloth at radial ... | 06/14/2005 |
| 6852002 | Apparatus and methods for Z-axis control and collision detection and recovery for waterjet cutting systems This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a linear rail, a slide member coupleable to a cutting head and slideably c... | 02/08/2005 |
| 6752686 | Method and apparatus for fluid jet formation A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be ma... | 06/22/2004 |
| 6663474 | Apparatus and system of chemical mechanical polishing Apparatus of carrier in a chemical mechanical polishing equipment comprises a carrier module for holding a wafer face down. A retaining ring and conditioning module is coupled to the carrier module, which is used for protecting the wafer edge against cont... | 12/16/2003 |
| 6591148 | Numerical control device A numerical control device for synchronously controlling the movement of a plurality of axes of a machine by repeatedly controlling a cyclic motion. An axis of the machine is designed to stop at a predetermined position upon the occurrence of an emergency... | 07/08/2003 |
| 6572438 | Structure of polishing head of polishing apparatus A polishing head of a polishing apparatus of this invention has a structure in which an air blast port is formed in a lower surface of a carrier 20, and an upper outer peripheral portion 24 of the carrier is so formed as to protrude in a diametric directi... | 06/03/2003 |
| 6540586 | Apparatus and methods for collision detection and recovery for waterjet cutting systems This invention relates to apparatus and methods for collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a first mount member coupleable to a controllably positionable mounting portion of... | 04/01/2003 |
| 6379214 | Apparatus and methods for z-axis control and collision detection and recovery for waterjet cutting systems This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a linear rail, a slide member coupleable to a cutting head and ... | 04/30/2002 |
| 5934971 | Fiber optic deadman control An emergency control system for selectively activating and deactivating an apparatus. The system includes a fiber optic transmitter for emitting radiation and a fiber optic receiver for receiving and measuring a wavelength and an intensity of the radiatio... | 08/10/1999 |
| 5807168 | Self-contained device for cleaning and coating hold surfaces in a bulk carrier The self-contained device for cleaning and coating hold surfaces in a bulk carrier includes four major components, namely a horizontally mobile vertical tower (e.g., with walking beams for permitting the device to move into the four corners of the hold in... | 09/15/1998 |
| 5540172 | Apparatus for performing external surface work on underside of ship hull For abrasively blast-cleaning the bottom of a ship hull while the ship is supported on blocks on the floor of a drydock, an upwardly facing closed cycle abrasive wheel having a durable but compliant seal projecting forwards around its frontal perimeter, i... | 07/30/1996 |
| 5507683 | Particle blasting machine A particle blasting machine for deburring articles includes first, second, and third conveyors, first and second positioning elements, particle abrading apparatus and first and second ejecting elements. Articles are automatically ejected from the second c... | 04/16/1996 |
| 5490807 | Sand-blast sign-making apparatus A sand-blast sign-making apparatus for forming a plurality of horizontally extending and alternating grooves and peaks on the planar front surface of a degradable blank of synthetic substrate material having a non-degradable stencil removably applied ther... | 02/13/1996 |
| 5411432 | Programmable oscillating liquid jet cutting system A high pressure computer controlled liquid jet cutting system particularly adopted for cutting granite on-site at quarries comprising a balanced oscillator, an optional mobile system, a power unit, multiple intensifiers, one or more nozzles with diamond o... | 05/02/1995 |
| 5042209 | Process for charging a carrier gas stream with a free-flowing material and process for operating the device The device has a storage vessel (2) that is connected to a compressed gas pipe (1) and whose outlet (6) discharges through a shut-off element (7) into a carrier gas pipe (10). Shut-off element (7) and the setpoint values of a first pressure regulator (23)... | 08/27/1991 |
| 4753051 | Apparatus for processing workpiece with sandblasting There is disclosed a method of and an apparatus for performing, using a sandblasting, a processing such as a chamfering of a workpiece which has a surface to be processed and a surface not to be processed located adjacent to each other. The workpiece (W) ... | 06/28/1988 |
| 4648214 | Cryogen shot blast deflashing system A cryogen shot blast deflashing apparatus includes an upstanding frame which movably supports a receptacle assembly. The receptacle assembly includes an enclosure having a housing that enshrouds a rotatable drum, and a door which selectively opens and clo... | 03/10/1987 |
| 4627197 | Process control for cryogenic decoating Operation of processes for removal of adherent coatings from articles by cryogenic embrittlement of the coatings and blasting of the embrittled coatings with impact media impelled by one or more rotating throwing wheels in a closed treating chamber are di... | 12/09/1986 |
| 4614064 | Method and apparatus for cleaning workpieces A method and apparatus for cleaning a succession of workpieces such as automobile engine blocks includes a first cleaning mechanism wherein cleaning media such as steel shot is directed against the workpieces. After being discharged from the first cleanin... | 09/30/1986 |
| 4470226 | Bathtub abrading system A portable system (10) for abrading the floor of a bathtub (26) to render it slip resistant. The system contains a portable power unit (12) containing an air compressor providing compressed air to abrading unit (14) via compressed air hose (20) and provid... | 09/11/1984 |
| 4327527 | Apparatus and method for adjusting the torsional output of a flexible pivot An apparatus for adjusting the torsional output of a flexible pivot assembly is provided. The apparatus precisely rotates the flexible pivot to a maximum rotational angle at which the torsional output of the flexible pivot is trimmed to a predetermined va... | 05/04/1982 |
| 4319435 | Blasting machine for deburring workpieces A wet blasting machine for permitting deburring of workpieces by utilizing a slurry of water and abrasive particles. The slurry is discharged by a blasting gun against the workpiece, and is then collected within a reclaiming tank. The top water flows from... | 03/16/1982 |
| 4048758 | Sand-blasting machine for castings A machine for blasting workpieces (castings) comprises an arcuate cabin with successive working stations within it. Two conveying systems are provided -- a central turntable with workpiece carriers which are rotatable about horizontal axes and extend into... | 09/20/1977 |
