| 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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| 08/16/2007 | WO2007091775A1 Bowling ball surface treatment device |
| 08/09/2007 | WO1999019115A9 Method and means for grinding balls of ceramics or other hard materials to spherical shape |
| 08/07/2007 | US7252694 Abrasive article and methods of making same |
| 07/11/2007 | CN2920533Y Grinding equipment for ball core |
| 07/10/2007 | US7241209 Orbiting polishing tool |
| 05/22/2007 | US7220171 Cutting cup for sphere making machines |
| 04/18/2007 | CN1947904A Hot-isostatic pressure silicon nitride all-ceramic electric main shaft and its mfg. method |
| 03/28/2007 | EP1767170A2 Method for producing a bearing shell and a ball head of an artifical joint |
| 03/21/2007 | CN2880375Y Magnetic Rugby sand grinding former |
| 03/15/2007 | WO2007030066A1 Grinding and/or polishing tool, and use and manufacturing thereof |
| 01/03/2007 | CN2853278Y Device for grinding supersonic sprayed ball |
| 12/06/2006 | CN1872488A Technique for repairing surface damage on piston rod of hydraulic ram, and dedicated repairing tools |
| 11/15/2006 | CN2836984Y Apparatus for milling outer spherical surface with groove on external diameter |
| 11/07/2006 | US7131902 Abrasive holder |
| 10/11/2006 | EP1465557B1 Method of manufacturing a component with a near spherical surface |
| 09/27/2006 | EP1704961A1 Method and apparatus for grinding concave workpieces, in particular of prostheses |
| 09/20/2006 | CN1833817A Digital controlled sperical grinding machine having auto detection |
| 08/15/2006 | US7089835 System and method for forming a non-rotationally symmetric portion of a workpiece |
| 08/03/2006 | WO2006079444A1 Method and device for grinding ceramic spheres |
| 08/03/2006 | DE102005004041A1 Ceramic balls grinding method, for use in ball grinding machine, involves grinding balls with grinding wheel having diamond abrasive grain in ceramic bond, where ceramic bond is burnt up to specific temperature, in oxygen-poor atmosphere |
| 08/03/2006 | DE102005004038A1 Method for grinding spheres of ceramic material uses grinding disc with diamond grinding grains embedded in plastics resin binding |
| 07/19/2006 | CN2796941Y Ball grinding machine |
| 07/05/2006 | CN2792703Y Conical roller spherical grinding machine with end face |
| 06/20/2006 | US7063607 Bowling ball resurfacing apparatus |
| 06/14/2006 | CN1785595A Processing technology of circular groove of differential cloth feeding crank and equipment thereof |
| 05/25/2006 | US20060111029 Bowling ball resurfacing apparatus |
| 05/24/2006 | DE102004055471A1 Small-caliber ball producing device for YIG elements includes grinding pot on carrier plate rotating on bass plate in housing, and fixing device for carrier plate |
| 03/28/2006 | US7018275 Closed-loop control of wafer polishing in a chemical mechanical polishing system |
| 03/15/2006 | CN1745969A Rolling element grinding method |
| 03/02/2006 | DE102004041117A1 Verfahren und Vorrichtung zum Schleifen eines Profils eines Werkstücks Method and apparatus for grinding a profile of a workpiece |
| 12/14/2005 | CN2745696Y Digital controlled inner spherical grinding machine |
| 11/24/2005 | DE19921785B4 Verfahren zum Schleifen von konvexen Laufflächen und Außendurchmessern an Wellen mit wenigstens einem scheibenförmigen Wellenabschnitt sowie Schleifmaschine zur Durchführung des Verfahrens Method for grinding the convex running surfaces and outer diameters of shafts with at least one disc-shaped shaft portion, and grinding machine for performing the method |
| 11/10/2005 | US20050248050 Method for making ceramic spheres |
| 11/09/2005 | CN2738943Y Sealed sphere grinding mechanism in rotary joint |
| 10/05/2005 | CN2730551Y Adjustable ceramic ball lapping and processing device |
| 10/05/2005 | CN1678430A Bowling ball resurfacing apparatus |
| 09/29/2005 | DE10392879T5 Vorrichtung zum Aufarbeiten der Oberfläche einer Bowlingkugel Device for resurfacing a bowling ball |
| 09/28/2005 | CN2728713Y External ball surface grinding device |
| 08/17/2005 | EP1563953A1 The way of machining of spherical surfaces and the device for its realization |
| 08/10/2005 | CN1213836C Die for forming resin vault products and its mfg. method |
| 07/21/2005 | US20050155225 Match lapping valve assemblies |
| 06/08/2005 | CN2703615Y Spherical surface processing special apparatus for spherical pin in friction test |
| 06/08/2005 | CN1204855C 人造关节 Artificial joints |
| 05/31/2005 | US6899599 Manufacturing process to make a valve ball |
| 05/25/2005 | DE4401548B4 Schleifvorrichtung für die Bearbeitung von Werkstückoberflächen von rotationssymmetrischen und symmetrischen Werkstücken mittels Schleifbändern A grinding apparatus for machining of rotationally symmetrical workpiece surfaces and symmetrical workpieces by means of abrasive belts |
| 05/25/2005 | CN1619171A High precision hot press silicon nitride ceramic ball bearing and its manufacturing method |
| 05/03/2005 | US6887135 Drive engaging agitator; golf balls are tumbled; abrasive surface comprising filamentous loops on interior of receptacle |
| 05/03/2005 | US6886986 Nitinol ball bearing element and process for making |
| 04/28/2005 | US20050087047 Manufacturing a component with a near spherical surface |
| 02/24/2005 | US20050039275 Ball finishing apparatus and process |
| 11/23/2004 | US6821191 Improving golf ball paint adhesion; abrading with nylon loops |
| 10/13/2004 | EP1465557A1 Manufacturing a component with a near spherical surface |
| 10/13/2004 | CN1170656C Method for grinding non-axial-symmetry and non-ball-surface mirror |
| 08/31/2004 | US6783439 Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like |
| 07/29/2004 | US20040144224 Determination positioning of seam; removal excess; smoothness; uniform performance |
| 07/13/2004 | US6761622 Bowling ball resurfacing device |
| 06/24/2004 | WO2004004971A3 Lapping method and lapping tool for glass balls |
| 06/22/2004 | US6752699 Working method for curved surface of a work and an apparatus thereof |
| 06/08/2004 | US6746315 Ball spinner and polish apparatus |
| 06/08/2004 | US6745472 Manufacturing method of steel ball for rolling bearing |
| 04/29/2004 | US20040082280 Ball finishing apparatus and process |
| 04/01/2004 | WO2004026529A1 Method for making ceramic spheres |
| 03/24/2004 | CN2607229Y Device for grinding external sphere |
| 02/19/2004 | DE4402032B4 Ferromagnetisches Schleifband Ferromagnetic sanding belt |
| 02/03/2004 | US6685536 Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method |
| 01/15/2004 | WO2004004971A2 Lapping method and lapping tool for glass balls |
| 01/08/2004 | WO2004002677A1 Bowling ball resurfacing apparatus |
| 01/08/2004 | US20040003689 System and method for forming a non-rotationally symmetric portion of a workpiece |
| 10/16/2003 | US20030194951 Apparatus and methods for gemstone and mineral sphere grinding and polishing |
| 10/15/2003 | CN2580571Y Horizontal plane magnetic source and rotary magnetic suorce combined magnetic force device |
| 10/08/2003 | CN2578044Y Polishing cloth |
| 09/03/2003 | EP1340477A2 Method for producing a bearing shell and a ball head of an artifical joint |
| 08/20/2003 | EP0892627B1 Artificial joint |
| 08/14/2003 | DE20306080U1 Burr removal and treatment machine for end sides and outer surfaces, has units in housing, door, suction device f or removing shavings |
| 07/31/2003 | WO2003061532A1 Manufacturing a component with a near spherical surface |
| 07/29/2003 | CA2251334C Artificial joint, in particular an artificial hip joint |
| 07/22/2003 | US6596395 Balls of single crystal silicon and method of making the same |
| 07/09/2003 | CN1428230A Die for forming resin vault products and its mfg. method |
| 05/08/2003 | WO1999016577A3 Magnetic float polishing processes and materials therefor |
| 03/25/2003 | US6537138 Method of grinding an axially asymmetric aspherical mirror |
| 03/13/2003 | US20030049996 Bowling ball resurfacing device |
| 02/27/2003 | WO2003015984A1 Bowling ball resurfacing device |
| 02/27/2003 | US20030037439 Manufacturing method of steel ball for rolling bearing |
| 02/05/2003 | EP1009587B1 Tool quill and method for finishing fuel injector needle tips |
| 01/23/2003 | US20030017789 Working method for curved surface of a work and an apparatus thereof |
| 01/02/2003 | EP1270142A2 Manufacturing method of steel ball for rolling bearing |
| 12/18/2002 | EP1177067B1 Method for grinding convex running surfaces and outside diameters on undulated workpieces in a clamping, and a grinding machine for carrying out the method |
| 11/27/2002 | CN1094823C Mould for forming bow products of resin and producing method thereof |
| 11/14/2002 | US20020168925 Ball spinner and polish apparatus |
| 10/09/2002 | CN1373024A Method for sphericizing biscuit made of ceramic or metal powder |
| 08/27/2002 | US6439982 Ball spinner and polish apparatus |
| 08/27/2002 | US6438816 Mold for forming resinous domed article and method of producing same |
| 07/24/2002 | EP1224045A1 Nitinol ball bearing element and process for making |
| 06/11/2002 | US6402600 Bowling ball surface abrading and polishing tool assembly |
| 05/01/2002 | CN2488640Y Magnetic suction ball grinding device |
| 04/09/2002 | US6368026 Spherical body transport apparatus |
| 03/19/2002 | US6358132 Apparatus for grinding spherical objects |
| 02/21/2002 | US20020022437 Working method for curved surface of a work and an apparatus thereof |
| 02/06/2002 | EP1177067A1 Method for grinding convex running surfaces and outside diameters on undulated workpieces in a clamping, and a grinding machine for carrying out the method |
| 01/31/2002 | US20020010993 Mold for forming resinous domed article and method of producing same |