B28D - Working stone or stone-like materials

More topics under "B28D - Working stone or stone-like materials" (24,535)
B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (14,003)
B28D 3 - Dressing mill discs or rollers (6)
B28D 5 - Fine working of gems, jewels, crystals, e.g. of semiconductor material; Apparatus therefor (6,662)
B28D 7 - Accessories specially adapted for use with machines or devices of the other groups of this subclass (3,864)

Patents for B28D - Working stone or stone-like materials (38)
11/2011
11/01/2011	US8047192 System and method for cutting granite or similar materials
10/2010
10/19/2010	US7814895 System and method for cutting granite or similar materials
10/13/2010	CN1894079B System for cutting granite or similar materials
04/2010
04/01/2010	US20100078005 System and method for cutting granite or similar materials
12/2009
12/29/2009	US7637257 System and method for cutting granite or similar materials
03/2009
03/19/2009	US20090071461 System and method for cutting granite or similar materials
09/2008
09/30/2008	US7429154 Insertion end for a rotary and a percussive tool
02/2008
02/14/2008	US20080038997 Method of Working Gemstones
03/2007
03/21/2007	CN1933937A A method of working gemstones
02/2007
02/28/2007	EP1755825A2 A method of working gemstones
02/22/2007	US20070042685 System and method for cutting granite or similar materials
01/2007
01/10/2007	CN1894079A System and method for cutting granite or similar materials
01/03/2007	EP1738885A1 Method and apparatus for drilling drainage holes
09/2006
09/06/2006	EP1697100A2 Portable apparatus for working, shaping and polishing stone and other hard materials
05/2006
05/11/2006	WO2005016610B1 System and method for cutting granite or similar materials
05/10/2006	EP1654102A2 System and method for cutting granite or similar materials
02/2006
02/14/2006	US6997175 Portable apparatus for working, shaping and polishing stone and other hard materials
02/02/2006	WO2005120772A3 A method of working gemstones
01/2006
01/05/2006	WO2005056259A3 Portable apparatus for working, shaping and polishing stone and other hard materials
12/2005
12/29/2005	WO2005016610A3 System and method for cutting granite or similar materials
12/22/2005	WO2005120772A2 A method of working gemstones
06/2005
06/30/2005	US20050141972 Insertion end for a rotary and a percussive tool
06/30/2005	DE10357380A1 Einsteckende für ein drehendes und/oder schlagendes Werkzeug Insertion of a rotating and / or impact tool
06/23/2005	WO2005056259A2 Portable apparatus for working, shaping and polishing stone and other hard materials
06/23/2005	CA2590889A1 Portable apparatus for working, shaping and polishing stone and other hard materials
06/08/2005	EP1537956A2 Shank for a percussion, rotary, or rotary percussion tool
06/08/2005	CN1623750A Insertion end for a rotary and a percussive tool
06/05/2005	CA2487464A1 Insertion end for a rotary and a percussive tool
02/2005
02/24/2005	WO2005016610A2 System and method for cutting granite or similar materials
09/2004
09/02/2004	US20040168681 Portable apparatus for working, shaping and polishing stone and other hard materials
07/2001
07/12/2001	DE10000013A1 Saugbohrer Piston sampler
07/05/2001	US20010006122 Suction tool
07/04/2001	EP1112809A2 Drill with suction means
08/1991
08/14/1991	EP0227760B1 Method and tool for punching plaster plates
12/1990
12/05/1990	CN1047472A Improvement to automated systems for mfg. asbestos cement tanks
02/1990
02/06/1990	US4898056 Method and tool for punching plaster plates
02/1988
02/23/1988	CA1233110A1 Method of machine cutting silicon metal particulates with si.sub.3n.sub.4
01/1987
01/15/1987	WO1987000116A1 Method and tool for punching plaster plates