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| Number | Title | Issue Date |
| 7922566 | Cutting head for fluid jet machine with indexing focusing device A cutting head for a water jet cutting machine includes a base with a bore and an orifice member having an inlet, an outlet, and a passage extending between the inlet and outlet which increases velocity of fluid flowing through the passage to form a fluid jet. A wea... | 04/12/2011 |
| 7862405 | Zero-torque orifice mount assembly A fluid jet system includes an upstream high-pressure body having a high-pressure bore axially positioned, a retaining nut configured to couple to the upstream high-pressure body, and an orifice mount assembly. The retaining nut includes a mounting chamber configure... | 01/04/2011 |
| 7789734 | Multi-orifice fluid jet to enable efficient, high precision micromachining A fluid jet based micromachining device and method include a workpiece, and fluid jets directing synchronized forces at the workpiece so as to converge forces at a dynamic contact zone on the workpiece and provide mechanical support to the workpiece during periods o... | 09/07/2010 |
| 7727054 | Coherent jet nozzles for grinding applications A nozzle assembly and method is configured to apply coherent jets of coolant in a tangential direction to the grinding wheel in a grinding process, at a desired temperature, pressure and flowrate, to minimize thermal damage in the part being ground. Embodiments of t... | 06/01/2010 |
| 7607972 | Self-contained disposable micro-abrasive blasting tip for dental applications The present invention is a micro-abrasive blasting device (75) constructed from a disposable pipette structure (80) comprising a delivery conduit (30) extending from a delivery conduit inlet (35) through a tapered section (33) to f... | 10/27/2009 |
| 7442112 | Nozzle for spraying sublimable solid particles entrained in gas for cleaning surface A nozzle for spraying sublimable solid particles and preventing frost from forming at surfaces of the nozzle. The nozzle includes: a cleaning agent block for phase-changing a cleaning agent into a snow containing sublimable solid particles; a nozzle block for growin... | 10/28/2008 |
| 7371153 | Glass etching An apparatus for etching a workpiece in which a first abrasive particulate material, for example aluminium oxide, and a second particulate material, for example glass dust, are entrained together in a stream of gas. The apparatus recycles exhaust particulate materia... | 05/13/2008 |
| 7357697 | Superhard material article of manufacture The invention relates to abrasive water jet systems comprising an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic boron carbide (CBN), diamond, or other materials with a hardness great... | 04/15/2008 |
| 7351059 | Process for treating a surface A process for treating a surface (2) to clean or otherwise treat the surface (2) comprises a step of contacting the surface (2) with a particulate treating agent such that at least some of the particles (1) roll along at least a portion o... | 04/01/2008 |
| 7341504 | Adjustable sand blasting gun An adjustable sand blasting gun has a body, a sand inlet and an adjusting device. The body has a chamber, a blasting head, a mounting tube and a connecting pipe. The blasting head is attached to the body and communicates with the chamber. The mounting tube is formed... | 03/11/2008 |
| 7338352 | Slurry delivery system, chemical mechanical polishing apparatus and method for using the same A slurry delivery system, a chemical mechanical polishing (CMP) apparatus, and method for using the same are provided. An apparatus for supplying slurry to a polishing unit may include a first feed line through which an abrasive may be supplied at a first velocity. ... | 03/04/2008 |
| 7311271 | Spray gun having mechanism for internally swirling and breaking up a fluid The present technique provides a system and method for improving atomization in a spray coating device by internally mixing and breaking up a desired coating fluid prior to atomization. In one embodiment, a flow barrier is disposed in the spray coating device downst... | 12/25/2007 |
| 7303465 | Hydroentangling jet strip device defining an orifice A hydroentangling jet strip device is provided, wherein such a device comprises a plate member having opposing sides and defining at least one nozzle orifice extending between the opposing sides. Each of the at least one nozzle orifice includes an axially-extending ... | 12/04/2007 |
| 7293570 | Carbon dioxide snow apparatus A carbon dioxide snow apparatus of the present invention includes a carbon dioxide snow generation system and a propellant generation system connected to a common carbon dioxide gas source. The carbon dioxide snow generation system includes a condenser having a at l... | 11/13/2007 |
| 7281535 | Saw singulation Improved systems and methods for singulating a substrate into a plurality of integrated circuit devices are disclosed. One aspect of the invention corresponds to a fixture that holds the substrate during the dicing process. Another aspect of the invention pertains t... | 10/16/2007 |
| 7241208 | Micro-abrasion device A micro-abrasion device includes a base station, a handpiece configured to spray a powder onto skin, a flexible supply pipe configured to supply powder from the base station to the handpiece, a flexible return pipe configured to return powder from the handpiece to t... | 07/10/2007 |
| RE39714 | Hand-holdable gas/abrasion apparatus A hand-holdable apparatus useful for abrading a surface is provided. The invention is particularly useful for dental applications using a stream of abrasive particles suspended in a gas stream to abrade the surface of a tooth. The apparatus of the invention may be m... | 07/03/2007 |
| 7226342 | Handheld apparatus for delivery of particulate matter with directional flow control A disposable apparatus for propelling particulate matter against a surface of a target material that includes: a mixing chamber having a chamber wall, a multi-conduit receiving port, a propellant-gas receiving conduit, and a discharge conduit. The gas delivery condu... | 06/05/2007 |
| 7207868 | Cutting apparatus A cutting apparatus jets, at a high pressure, water containing abrasive grains to cut a workpiece along cutting lines extending in intersecting directions. The cutting apparatus includes: a fixing table fixing the workpiece; groove portions provided in the fixing ta... | 04/24/2007 |
| 7198555 | Atomizer cooling by liquid circulation through atomizer tip holder An improved atomizer, in which the liquid to be sprayed is circulated around the nozzle tip to prevent degradation of the liquid in hot environments. The circulation is controlled by a valve, which permits the liquid to circulate even when no liquid is being sprayed... | 04/03/2007 |
| 7198485 | Powder applicator for teeth The present invention provides an orientation independent apparatus for applying a uniform coating of a dental powder as well as a method of operating the orientation independent apparatus. The present invention can be used in the preparation of a replica tooth duri... | 04/03/2007 |
| 7186167 | Suspended abrasive waterjet hole drilling system and method A suspended abrasive waterjet narrow kerf cutting method is reconfigured to simultaneously drill multiple, closely-spaced holes in a target, including holes in confined non line-of-sight locations. Working fluid nozzles can be located on a flat or non-flat tool surf... | 03/06/2007 |
| 7185833 | Method for fluid jet formation and apparatus for the same A nozzle having a housing and an assembly including at least two conjugated parts separated by a spacer seal. The assembly is arranged in the housing so as to form a nozzle outlet. At least one of he housing, the parts, and the spacer seal are deformable so as to de... | 03/06/2007 |
| 7182675 | Apparatus for abrading the region of intersection between a branch outlet and a passageway in a body A method and apparatus are disclosed for abrading the inner surface at the intersection region of a branch outlet with the wall of a body having a passageway. Using abrasive flow machining, it is possible to abrade the intersection region to provide a smooth transit... | 02/27/2007 |
| 7183210 | Method for preparing large-size substrate A large-size substrate having improved flatness is prepared by measuring the flatness of one surface or opposite surfaces of a large-size substrate having a diagonal length of at least 500 mm, and partially removing raised portions on the one surface or opposite sur... | 02/27/2007 |
| 7172418 | Powder applicator for teeth The present invention provides an orientation independent apparatus for applying a uniform coating of a dental powder as well as a method of operating the orientation independent apparatus. The present invention can be used in the preparation of a replica tooth duri... | 02/06/2007 |
| 7163449 | Hand held abrasive blaster A hand held abrasive blaster includes a tubular wand housing and an abrasives conduit which extends into the wand housing. The abrasives conduit includes a fixed portion at the rearward end and a rotatable portion at the forward end. A motor rotates the rotatable po... | 01/16/2007 |
| 7143967 | Method and system for cold gas spraying A cold gas spraying method and device, whereby the sprayed particles are accelerated in a gas flow. A powder tube and an outer nozzle body together form a Laval nozzle that produces high gas flow velocities. The injection of the sprayed particles occurs in the diver... | 12/05/2006 |
| 7137873 | Grinding method for workpiece, jet guide means and jet regulation means used for the method A grinding method is provided which can grind a processing surface of a workpiece by a blast processing without use of specific abrasives to obtain a glossy surface such as a mirror surface. Abrasives together with compresses fluid are injected to the processing sur... | 11/21/2006 |
| 7128074 | Scarifier for the interior surface of a pipeline An apparatus for scarifying an interior surface of a sewer pipe, which includes a vehicle moveable along an interior of the sewer pipe and a scarifying assembly connected to the vehicle having a fluid nozzle assembly. The fluid nozzle assembly has at least one branc... | 10/31/2006 |
| 7125322 | Media transport device providing stable flow of media A media transport device for use in shot peening, blast cleaning, granite cutting, and similar applications transports media from a storage hopper to a workpiece. The media transport device includes a source of compressed air, a supply hose connecting the compressed... | 10/24/2006 |
| 7125317 | Multi-port sandblasting manifold and method A method and apparatus is provided to simplify sandblasting processes while increasing applied coverage areas in sandblasting operations. The method and apparatus provide a manifold assembly having a plurality of nozzles and that is rigidly attached to an air supply... | 10/24/2006 |
| 7108585 | Multi-stage abrasive-liquid jet cutting head A multistage abrasive-liquid jet cutting head comprising at least a first and a second mixing stage. Within the first mixing stage is a first mixing chamber arranged to accept a first flow of accelerated abrasive particles from a first abrasive feed tube and a press... | 09/19/2006 |
| 7101266 | Abrasive blasting device An abrasive blasting device provides for both “cold” and “hot” processing. It includes a nozzle gun, an abrasive vessel, a batcher, an ejection-type mixer, a fuel tank, and a receiver. The nozzle gun includes a combustion chamber (108), a tubular elem... | 09/05/2006 |
| 7090568 | Blasting device A blasting device, especially for cleaning the surfaces of hollow areas, uses a conveying medium, preferably air, with an added solid blasting agent. The blasting device includes a twisting chamber that impresses the jet with a controlled twist. The twisting chamber... | 08/15/2006 |
| 7086930 | Coherent jet nozzles for grinding application A nozzle assembly and method is configured to apply coherent jets of coolant in a tangential direction to the grinding wheel in a grinding process, at a desired temperature, pressure and flowrate, to minimize thermal damage in the part being ground. Embodiments of t... | 08/08/2006 |
| 7074112 | Apparatus that holds and tilts a tool The invention provides an apparatus that holds and tilts a tool over a tilt range and substantially about a vertex. The apparatus includes a base having pivots defining a base line and a base pivot distance. The apparatus also includes first and second pivot arms co... | 07/11/2006 |
| 7074117 | Blasting nozzle A blasting nozzle for a blasting apparatus includes an inlet for attachment to the outlet hose of the blasting apparatus, an accelerating portion, and an outlet portion through which an accelerated abrasive-laden jet can be ejected. The outlet portion has an interio... | 07/11/2006 |
| 7070488 | Micro-abrasion device The present invention relates to a micro-abrasion device comprising: a first reservoir intended to contain a powder to be sprayed onto a surface that is to be treated, a second reservoir intended to collect the use... | 07/04/2006 |
| 7063593 | Apparatus and process for surface treating interior of workpiece A process and apparatus for surface treating boundary walls of an interior chamber formed in a workpiece. Nozzle members are inserted through access openings which communicate with opposite sides of the interior chamber and are positioned so that discharge openings ... | 06/20/2006 |
