| Patents for B23B 51 - Tools for drilling machines (12,490) |
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| 09/01/2004 | CN2637048Y Miniature drilling bit improved structure for printed circuit board |
| 09/01/2004 | CN1524654A Socket machining countersinking bit |
| 09/01/2004 | CN1164381C Method and device for manufacturing cutters |
| 08/31/2004 | US6783308 Rotatable tool with removable cutting part |
| 08/31/2004 | US6783307 Rotatable tool with removable cutting part |
| 08/26/2004 | US20040163852 Method and apparatus for boring through a solid material |
| 08/26/2004 | DE202004010210U1 Tool for drilling holes in wall has hollow cylindrical body, on one face side of which are cutting teeth and cylinder base connected to body |
| 08/26/2004 | DE10305982A1 Attachment system for production of attachments, has drill with work head that carries spin-wound slots for axially transporting small drillings towards rear shank portion connected to an impact drilling equipment via put-in shank |
| 08/26/2004 | DE10305727A1 Motor vehicle engine block deburring tool has main support housing for cutting insert biased outwardly by fluid pressure |
| 08/26/2004 | DE10305707A1 Bohrvorrichtung Drilling device |
| 08/26/2004 | DE10305706A1 Bohrerhalter Drill holder |
| 08/26/2004 | DE10305696A1 Hole saw for use on drill chuck of electric hand drill to produce breaks on gypsum plaster boards, has centering facility which is connected to manual control device |
| 08/26/2004 | DE10305676A1 Motor vehicle engine block deburring tool has main support housing for cutting insert biased outwardly by fluid pressure |
| 08/25/2004 | EP1449606A2 Universal quick change hole saw arbor |
| 08/25/2004 | CN1522819A 钻头 Drill |
| 08/19/2004 | WO2004069501A2 A portable drill assembly with adjustable guides |
| 08/19/2004 | WO2004069456A1 Drill for making a flat-bottomed hole |
| 08/19/2004 | WO2004056518A3 Deep hole drill eb800 |
| 08/19/2004 | US20040161313 Universal quick change hole saw arbor |
| 08/19/2004 | DE202004008945U1 Method for fitting tubular drilling bit to drill stand with at least two length adjustable radial arms between the drive hub and the top of the tubular drilling bit |
| 08/19/2004 | DE10219599B4 Werkzeugspanneinrichtung Tool clamping device |
| 08/18/2004 | EP1447195A1 Drilling device with a core drill |
| 08/18/2004 | EP1447194A1 Drill holder for a core drill |
| 08/18/2004 | EP1446252A1 Deburring tool |
| 08/18/2004 | CN2633482Y Step counterboring cutter |
| 08/18/2004 | CN1522191A Tool, device, and method for drilling |
| 08/17/2004 | CA2285624C Attachment alignment method and apparatus |
| 08/17/2004 | CA2262304C Suction and discharge apparatus for a drilling fluid |
| 08/12/2004 | US20040156689 Drill bit |
| 08/12/2004 | US20040156190 Electrical power tools with improved visibility in darkness |
| 08/12/2004 | US20040154838 Tool holder for annular core bit |
| 08/12/2004 | US20040154837 Tool holder for annular core bit |
| 08/12/2004 | US20040154210 Gun chambering device |
| 08/12/2004 | DE20304580U1 Bohrer Drill |
| 08/12/2004 | DE202004009549U1 Friction tool has countersunk and mounted cutters attached to friction cutter of work part for different cutting in one work step |
| 08/12/2004 | DE10257635A1 Drill for plastics, comprises a cutting edge at the free end, a trough section and a bore for the removal of shavings |
| 08/11/2004 | EP1445073A1 Electric power tool with improved visibility in darkness |
| 08/11/2004 | EP1444066A1 Drill assembly |
| 08/11/2004 | EP1239988B1 Tool extender and tool assembly |
| 08/11/2004 | EP0984841B1 A cutting tool assembly and a replaceable cutting head for use therein |
| 08/11/2004 | CN2631675Y Multipurpose drill |
| 08/11/2004 | CN1519086A 电动工具 Power Tools |
| 08/10/2004 | US6773211 Orbital drilling cutting tool |
| 08/05/2004 | WO2004021913A3 Precision cast dental instrument |
| 08/05/2004 | WO2003095154A8 Magnetic indexer for high accuracy hole drilling |
| 08/05/2004 | US20040151553 Drill for making flat bottom hole |
| 08/05/2004 | US20040149093 Tool for forming an undercut hole and method for its use |
| 08/05/2004 | US20040148757 Pin and method for fastening the pin in an undercut hole |
| 08/04/2004 | EP1237670B1 Tool for chip removing machining |
| 08/04/2004 | EP1222047B1 Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip |
| 08/04/2004 | EP1119431A4 Composite drill bit using adhesive bond |
| 08/04/2004 | CN2629882Y Drilling bit |
| 08/03/2004 | US6769845 Dome removal tool |
| 08/03/2004 | CA2450830C Apparatus for drill press |
| 07/29/2004 | US20040146366 Roof core cutter |
| 07/29/2004 | DE202004008443U1 Drill for plastics gas or water pipes has holder fitting onto pipe and drill with tubular shaft to receive cut waste push out rod |
| 07/29/2004 | DE10302282A1 Hole cutter for creating holes, has receiving bores for setting a rod that are arranged in radially varying distances from central shaft of disk-shaped basic body |
| 07/28/2004 | CN2628212Y Cutters storage reservoir for PCB drilling machine |
| 07/28/2004 | CN1159142C Twist-drill |
| 07/22/2004 | WO2004060598A1 Cutting tool with depth of cut markings |
| 07/22/2004 | DE10302873B3 Non-magnetic drilling system for surgical applications e.g. cranial perforation, with functional part provided by drill with ceramic blades |
| 07/21/2004 | EP1439019A1 Drill |
| 07/21/2004 | CN2626654Y Drilling bit |
| 07/15/2004 | WO2004058095A1 Drill |
| 07/15/2004 | US20040137230 Cutting tool and process for the formation thereof |
| 07/15/2004 | US20040136798 Drill |
| 07/15/2004 | DE20304403U1 Drill bit for forming borehole in e.g. reinforced concrete structure, has cutting edge provided with two tungsten carbide tips such that tungsten carbide tips have body sections which are made from non metallic materials such as ceramics |
| 07/15/2004 | DE10258915A1 Motor vehicle engine block deburring tool has main support housing for cutting insert biased outwardly by fluid pressure |
| 07/15/2004 | DE10258914A1 Motor vehicle engine block deburring tool has main support housing for cutting insert biased outwardly by fluid pressure |
| 07/14/2004 | CN1512927A Rotatable tool having replaceable cutting head at chip removing free end of the tool |
| 07/08/2004 | WO2004056521A1 Blade edge structure for core drill |
| 07/08/2004 | WO2004056520A1 Deep hole drill eb90 |
| 07/08/2004 | WO2004056519A2 Cooling channel geometry |
| 07/08/2004 | WO2004056518A2 Deep hole drill eb800 |
| 07/08/2004 | WO2004056513A2 Sintered blanks having coiled cooling channels |
| 07/08/2004 | US20040131434 Threaded tool with coolant supply |
| 07/08/2004 | US20040129125 Cutting tool with depth of cut markings |
| 07/08/2004 | DE202004002096U1 Hollow drill for drilling small diameter deep drill holes has two or more end cutters and a cutting part which has a larger diameter than its shaft |
| 07/08/2004 | DE10360707A1 Rock drill used e.g. in hammer drills for drilling rock comprises a drill head having at its end a trapezoidal or X-shaped receiving groove for a cutting element |
| 07/07/2004 | EP1435272A1 Drill bit to take out rawlplugs |
| 07/07/2004 | CN2623387Y Iso-helix angle step drill |
| 07/07/2004 | CN1156641C Drilling tool |
| 07/07/2004 | CN1156353C Cutting tool for making circuit substrate with flat bottom surface and concave cups |
| 07/07/2004 | CN1156352C Machining tools, and method and apparatus for manufacturing them |
| 07/06/2004 | US6758639 Bit for cutting drywall |
| 07/06/2004 | CA2262487C Masonry drill bit |
| 07/01/2004 | US20040126196 Backspot facing tool |
| 07/01/2004 | US20040126194 Cutting tool, electric broaching tool equipped with same |
| 07/01/2004 | US20040124016 Drilling tool and method for producing port seals |
| 07/01/2004 | DE10260136A1 Strangpressverfahren und nach diesem Verfahren hergestellter Sinterrohling bzw. Werkzeugkörper Extrusion process and generated by this method sintered blank or tool body |
| 07/01/2004 | DE10260113A1 Gesteinsbohrer Rock drill |
| 06/30/2004 | EP1432542A1 Cutting tool |
| 06/24/2004 | US20040121283 Precision cast dental instrument |
| 06/23/2004 | EP1431511A1 Rock drill |
| 06/23/2004 | EP1430980A1 Stone drill |
| 06/23/2004 | EP1284836B1 Solid drill bit for machine tools |
| 06/23/2004 | EP1116831B1 Fastener, driving jig for execution of the fastener, and drill bit for machining undercut hole |
| 06/23/2004 | EP1008771B1 Taper piece, thread fastening construction using taper piece with female thread, formed drill for processing insertion hole for taper piece, and hammer for driving of taper piece |
| 06/22/2004 | US6751851 Fastening structure using a taper implant |
| 06/17/2004 | WO2004050314A2 Cutting tool with a cooling surface |