| Patents for B24B 11 - Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor (784) |
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| 05/27/2009 | CN101439489A Centering indicator for numerical control accurate grinding of high-hardness revolving spherical surface |
| 05/13/2009 | CN201235482Y Grinding frame for spherical surface grinding machine |
| 05/06/2009 | CN201231438Y Rotary oscillating device for spherical surface grinding device |
| 04/29/2009 | CN201227764Y Double-disk rotation eccentric V shaped groove grinding miller |
| 04/29/2009 | CN201227763Y Special fixture for star-shaped sleeve grinder processing |
| 04/22/2009 | CN101412199A Easily dismountable abrasive tool for accurate grinding high-hardness revolving sphere |
| 04/16/2009 | US20090098811 Surface grinder for ball of ball valve |
| 04/16/2009 | US20090098809 Bowling ball surface treatment device |
| 04/15/2009 | EP2047949A2 Surface grinder for ball of ball valve |
| 04/15/2009 | CN201220374Y Moulding surface grinder |
| 04/15/2009 | CN201220373Y Rotatable fixture capable of realizing processing of sapphire external sphere on cylindrical grinder |
| 04/08/2009 | CN100475444C Numerical control accurate grinding equipment of high-rigidity turning spherical surface |
| 04/01/2009 | CN201214207Y High precision clamper of lamp decoration ball polish-grinding machine |
| 03/25/2009 | CN201211636Y Isolation board for milling steel ball |
| 03/25/2009 | CN101391391A Clamp for grinding spherical pad |
| 03/04/2009 | CN201201184Y Special purpose grinder for processing star shaped cover |
| 03/04/2009 | CN100464951C A processing technique of silicon fluoride balls in G3 grade |
| 03/04/2009 | CN100464940C A production method of precise steel balls |
| 02/18/2009 | CN101370620A Bowling ball surface treatment device |
| 02/12/2009 | US20090042495 Rotary-Type Polishing Device Having Protrusion Members |
| 02/11/2009 | CN101362933A Mixed metal abrasives for cleaning cast and production technology |
| 02/05/2009 | US20090036034 Semiconductor wafer and processing method for same |
| 01/14/2009 | CN201179617Y Wheel dresser of simple vertical steel ball grinding machine |
| 01/14/2009 | CN201179616Y Material pushing apparatus of taper crank roller cardinal plane grind |
| 01/07/2009 | CN201175857Y Grinding machine for transverse grinding exterior sphere |
| 01/07/2009 | CN201175856Y Star sleeve sphere slant grinding machine |
| 12/31/2008 | CN201172179Y Steel ball template bell-mouth mechanical frock automation equipment |
| 12/30/2008 | US7469474 Manufacturing a component with a near spherical surface |
| 12/24/2008 | CN201168903Y Conveying equipment for beads grinding miller |
| 12/23/2008 | US7467990 Back pressure control system for CMP and wafer polishing |
| 12/18/2008 | DE10020347B4 Vorrichtung zum Schlafen von kugelförmigen Objekten Device to sleep by spherical objects |
| 12/17/2008 | CN201164960Y Single-piece accurate sphere grinding equipment |
| 12/11/2008 | DE112006003741T5 Bowlingkugel-Oberflächenbearbeitungsvorrichtung Bowling ball surface treatment device |
| 12/10/2008 | CN201161358Y Clamper of lamp decoration ball grinding and casting machine |
| 12/03/2008 | CN201157994Y Crystal like ball grinding clamper |
| 12/03/2008 | CN100439030C Technique for repairing surface damage on piston rod of hydraulic ram, and dedicated repairing tools |
| 11/26/2008 | CN201154451Y Planetary type precision sphere abrasive machine |
| 11/26/2008 | CN100436009C Hot-isostatic pressure silicon nitride all-ceramic electric main shaft and its mfg. method |
| 11/12/2008 | CN100432004C Method for preparing piezoelectric ceramic ball shell |
| 10/29/2008 | CN201140352Y Sphere grinding mill |
| 10/29/2008 | CN201140351Y Tool rest angle oscillating device |
| 10/29/2008 | CN201140350Y Upper spider lift device |
| 10/22/2008 | CN201136115Y Clamper for grinding crystal ball |
| 10/22/2008 | CN201136114Y Tray pivoting power driving mechanism for circling vertical steel ball abrading machine |
| 10/22/2008 | CN201136113Y Tray pivoting support structure for circling vertical steel ball abrading machine |
| 10/22/2008 | CN100427267C Crystal-glass ball-grinding side machining apparatus |
| 10/08/2008 | CN101279434A Double-disk rotation eccentric V shaped groove grinding miller |
| 10/01/2008 | CN201124328Y Full-automatic crystal ball milling machine |
| 10/01/2008 | CN201124327Y Ball bonding machine |
| 09/25/2008 | DE10023034B4 Transportvorrichtung für einen sphärischen Körper Transport device for a spherical body |
| 09/24/2008 | CN201120576Y Surface grinding machine for bulb stopper of ball valve |
| 09/03/2008 | CN201109060Y Ceramic ball soft-hard processing machine |
| 09/03/2008 | CN201109059Y Steel ball fixture |
| 08/27/2008 | CN101249624A Curved face type sliding tackle plate |
| 08/20/2008 | CN101244528A Crystal ball polishing method and apparatus |
| 07/23/2008 | CN201089104Y Bulb grinder |
| 07/17/2008 | US20080171492 Method And Device For Grinding Ceramic Spheres |
| 07/16/2008 | EP1943053A1 Grinding and/or polishing tool, and use and manufacturing thereof |
| 07/09/2008 | CN100400231C Method and device for producing gear plates for continuously variable gearbox |
| 07/03/2008 | WO2008079708A1 Coated abrasive disc and method of making the same |
| 06/25/2008 | CN201077015Y Multifunctional integral ball grinder |
| 06/25/2008 | CN101204787A Planetary type precise sphere grinder |
| 06/25/2008 | CN101204786A High accuracy ball double autorotation grinding tray high-efficiency grinding device |
| 05/28/2008 | CN101186005A Processing technique of 9Cr18 stainless steel capable of being improved to G3 level |
| 05/14/2008 | CN201058407Y High-efficiency grinding device of high-precision ball double axial rotation abrasive disk |
| 05/13/2008 | US7371160 Elastomer-modified chemical mechanical polishing pad |
| 05/08/2008 | US20080108283 Tire uniformity machine grinding assembly |
| 05/07/2008 | CN101172330A High-rigidity turning spherical surface numerical control accurate grinding equipment |
| 04/15/2008 | US7356927 Method for making ceramic spheres |
| 03/18/2008 | CA2372659C Method for grinding convex running surfaces and outside diameters on undulated workpieces in a clamping, and a grinding machine for carrying out the method |
| 03/05/2008 | EP1893384A1 Method and device for grinding ceramic spheres |
| 03/05/2008 | CN101134290A Full-automatic globe mill |
| 02/27/2008 | CN201026582Y Ball conveying guide plate used on vertical type machine tool for machining of iron shot |
| 02/27/2008 | CN201026581Y Vertical type machine tool for machining of iron shot |
| 02/21/2008 | DE202007015386U1 Maschine zum Flächenschleifen einer Schließkugel eines Kugelventils Surface grinding machine for a closed ball of a ball valve |
| 01/30/2008 | CN100365295C High precision hot press silicon nitride ceramic ball bearing and its manufacturing method |
| 01/23/2008 | CN201009146Y Ball grinding accurate shortcut positioning device |
| 01/23/2008 | CN201009145Y Valve ball machining machine tool of ceramic ball valve |
| 01/16/2008 | CN201006584Y Full-automatic ball mill |
| 01/16/2008 | CN201006583Y Fixed grinding aids high efficiency grinding equipment for high precision ceramic |
| 01/16/2008 | CN101107096A Method and device for grinding spheres of ceramic |
| 01/09/2008 | CN201002204Y Steel ball grinding machine |
| 01/09/2008 | CN201002203Y Steel ball flashing machine |
| 01/09/2008 | CN101100041A Ball core grinding equipment |
| 01/09/2008 | CN101100040A Ball core grinding method |
| 01/09/2008 | CN101100039A Method and device for processing part with partial spherical surface in artificial hip prosthesis |
| 12/26/2007 | CN200995351Y Crystal-ball grinder |
| 12/20/2007 | US20070292207 Methods and apparatuses for surface finishing cured concrete |
| 11/28/2007 | CN200981181Y Horizontal steel ball flashing machine guide pillar and tail stock flange supporting and positioning structure |
| 10/17/2007 | CN101053935A Numerically controlled ball grinding vehicle |
| 10/10/2007 | CN101049676A Technique for processing silicon fluoride ball in G3 grade |
| 10/10/2007 | CN101049665A Method for producing accurate steel balls |
| 10/02/2007 | US7275980 Abrasive articles with novel structures and methods for grinding |
| 09/25/2007 | US7273574 Golf ball manufacturing method |
| 09/05/2007 | CN101028695A Crystal-glass ball-grinding side machining apparatus |
| 08/30/2007 | WO2007096336A1 Device and method for machining a spherical-cup-shaped recess in a workpiece |
| 08/29/2007 | EP1825955A1 Oscillating grinding machine |
| 08/29/2007 | CN101024570A Method for preparing piezoelectric ceramic ball shell |
| 08/23/2007 | DE102006007787A1 Cutting tool producing high-precision spherical-section bearing recess in workpiece, is rotated about axis at right angles to that of chuck rotating workpiece |
| 08/21/2007 | US7258705 Porous abrasive article that allows air and dust particles to pass through; for abrading, grinding, and polishing applications |