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Class Information
Number: 451/91
Name: Abrading > Machine > Sandblast > Abradant propulsion means
Description: Abrading machine including particular means to impel the fluent abrasive material against the workpiece.

Sub-classes under this class:

Class Number Class Name Patents
451/97 Centrifugal batter 80
451/93 Magnetic 19
451/94 Mechanical 19
451/92 Mobile machine 155
451/98 Vane structure 50

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8602844 Method and apparatus for working on workpieces with a water jet that contains abrasive and emerges under high pressure from a nozzle Dec. 10, 2013
8562393 Shot-blasting machine for surface treatment of products Oct. 22, 2013
8550873 Method and apparatus for prepping surfaces with a high-frequency forced pulsed waterjet Oct. 8, 2013
8540552 Water jet cutting machine Sep. 24, 2013
8491354 Dry ice blasting device Jul. 23, 2013
8109807 Method and apparatus for cleaning a jet engine Feb. 7, 2012
8057279 Abrasive blasting system with remote flow control and method Nov. 15, 2011
7967664 Device and process for cleaning, activation or pretreatment of work pieces by means of carbon dioxide blasting Jun. 28, 2011
7938713 Device for water-jet cutting or abrasive water-jet cutting units May. 10, 2011
7703363 Apparatus for generating and manipulating a high-pressure fluid jet Apr. 27, 2010
7537513 Device for accelerating abrasives May. 26, 2009
7464630 Apparatus for generating and manipulating a high-pressure fluid jet Dec. 16, 2008
7455573 Fluid jet polishing with constant pressure pump Nov. 25, 2008
7267605 Method and apparatus for abrasive recycling and waste separation system Sep. 11, 2007
7261619 Method and apparatus for abrasive recycling and waste separation system Aug. 28, 2007
7186167 Suspended abrasive waterjet hole drilling system and method Mar. 6, 2007
7134945 Soda blasting apparatus Nov. 14, 2006
7125322 Media transport device providing stable flow of media Oct. 24, 2006
7112120 Feeder assembly for particle blast system Sep. 26, 2006
7094135 Abrasivejet cutting head with back-flow prevention valve Aug. 22, 2006
7059945 Pipe weld cleaning machine Jun. 13, 2006
7056193 Method of forming fine partition walls, method of producing planar display device, and abrasive for jet processing Jun. 6, 2006
7041176 Pipe renovating system and method May. 9, 2006
7008304 Abrasive and dust separator Mar. 7, 2006
6981910 Throwing wheel assembly Jan. 3, 2006
6955589 Delivery system for magnetorheological fluid Oct. 18, 2005
6932676 Blasting apparatus and process for accelerating blast media Aug. 23, 2005
6910954 Method of supplying slurry and a slurry supply apparatus having a mixing unit at a point of use Jun. 28, 2005
6896597 Abrasive blasting apparatus May. 24, 2005
6893322 Method and apparatus for measuring and controlling solids composition of a magnetorheological fluid May. 17, 2005
6875083 Abrasive media containment bag Apr. 5, 2005
6790497 Superhard material article of manufacture Sep. 14, 2004
6739956 Apparatus for cleaning engine block passages May. 25, 2004
6739950 Pipe renovating system and method May. 25, 2004
6729942 Dental abrasion system May. 4, 2004
6705921 Method and apparatus for controlling cutting tool edge cut taper Mar. 16, 2004
6702655 Slurry delivery system for chemical mechanical polisher Mar. 9, 2004
6561874 Apparatus and method for abrasive jet finishing of deeply concave surfaces using magnetorheological fluid May. 13, 2003
6425805 Superhard material article of manufacture Jul. 30, 2002
6416390 Methods and apparatus for sandblasting fiber optic substrates Jul. 9, 2002
6371839 Constant abrasive feeder of abrasive grains Apr. 16, 2002
6354923 Apparatus for planarizing microelectronic substrates and conditioning planarizing media Mar. 12, 2002
6283832 Surface treatment method with rapid repetitive motion of an ultra high pressure liquid stream Sep. 4, 2001
6276993 Fluid abrasive jets for machining Aug. 21, 2001
6277003 Gas abrasive particle apparatus and valving therefor Aug. 21, 2001
6273790 Method and apparatus for removing coatings and oxides from substrates Aug. 14, 2001
6264789 System for dispensing polishing liquid during chemical mechanical polishing of a semiconductor wafer Jul. 24, 2001
6168502 Subsonic to supersonic and ultrasonic conditioning of a polishing pad in a chemical mechanical polishing apparatus Jan. 2, 2001
6042458 Turn base for entrained particle flow Mar. 28, 2000
5971835 System for abrasive jet shaping and polishing of a surface using magnetorheological fluid Oct. 26, 1999

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