| Patents for B23B 51 - Tools for drilling machines (12,490) |
|---|
| 04/01/1999 | WO1999015083A2 Apparatus and method for anchoring a cord-like element to a workpiece |
| 03/31/1999 | CN1212643A Drilling tool for machine tool and method of producing the same |
| 03/31/1999 | CN1212196A Cutter holder of rotary cutting tool |
| 03/30/1999 | US5888036 Drill bit and step feeding method |
| 03/30/1999 | US5888035 System for installing a length of cable within a wall |
| 03/25/1999 | DE19741072A1 Apparatus for producing seating bore in toy building component comprising foamed material |
| 03/25/1999 | DE19736598A1 Drill bit with changeable cutting insert |
| 03/23/1999 | US5885294 Apparatus and method for anchoring a cord-like element to a workpiece |
| 03/18/1999 | WO1999013121A1 Tool for drilling/routing of printed circuit board materials |
| 03/18/1999 | WO1999013120A1 Method of making ultrafine wc-co alloys |
| 03/18/1999 | WO1998056527A3 Multi-bit drill |
| 03/18/1999 | DE19740277A1 Boring tool for rotary striking boring of stone or concrete |
| 03/17/1999 | EP0901861A2 Centrifugally controlled deburring and countersinking tool |
| 03/17/1999 | EP0901860A1 Drill with multiple cutting edges |
| 03/17/1999 | CN1211206A High precision cutting tools |
| 03/16/1999 | US5882152 Multi-bit drill |
| 03/10/1999 | EP0865336A4 Undercutting drills |
| 03/04/1999 | WO1999010659A1 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 |
| 03/04/1999 | WO1999010552A1 A ROTARY EARTH STRATA PENETRATING TOOL WITH A CERMET INSERT HAVING A Co-Ni-Fe-BINDER |
| 03/04/1999 | WO1999010550A1 An elongate rotary machining tool comprising a cermet having a co-ni-fe-binder |
| 03/04/1999 | CA2302355A1 An elongate rotary machining tool comprising a cermet having a co-ni-fe-binder |
| 03/04/1999 | CA2302305A1 A rotary earth strata penetrating tool with a cermet insert having a co-ni-fe-binder |
| 03/03/1999 | EP0899044A1 Method of making a drill blank |
| 03/03/1999 | CN2309196Y Carpenter's drill |
| 03/02/1999 | US5876202 Stagger cut teeth |
| 03/02/1999 | US5876161 Method and apparatus for making a longitudinal hole in a pipe |
| 03/02/1999 | US5876157 Drill centering jig and forming tool guide |
| 02/25/1999 | DE19725401C1 Drilling device with drilling depth limitation |
| 02/24/1999 | EP0790877B1 Boring tool |
| 02/23/1999 | US5873683 Boring tool |
| 02/18/1999 | WO1999007506A1 Hole cutting and threading apparatus |
| 02/18/1999 | DE19735024A1 Drill with rearward cutter |
| 02/16/1999 | US5871310 Device for and method of enlarging and center displacing an opening in a work piece |
| 02/11/1999 | WO1999006172A2 Taper lock arrangement |
| 02/10/1999 | EP0895754A2 A reaming tool for reaming bone canals |
| 02/09/1999 | US5868532 Arbor for engaging a saw |
| 02/04/1999 | WO1999004921A1 Boring or milling tool and a method for determining the ultimate clearance angle of the flank area of a cutter insert |
| 02/04/1999 | WO1998050187A3 A cutting tool assembly |
| 02/03/1999 | CN2306097Y Internal eccentric knife for trepanning |
| 02/02/1999 | US5865574 Drill with coolant channels and method for its manufacture |
| 02/02/1999 | US5865572 Tool for the metal machining treatment of boring surfaces |
| 02/02/1999 | US5865571 Adapted to cut a circular hole in a workpiece |
| 01/30/1999 | CA2218774A1 Wallboard electrical box cutter having a cutting chain |
| 01/28/1999 | DE19731246A1 Bohr- oder Fräswerkzeug und Verfahren zur Ermittlung der absoluten Freiwinkel der Freiflächenbereiche eines Schneideinsatzes Drilling or milling tool and method for determining the absolute clearance angle of the surface areas of a cutting insert |
| 01/28/1999 | DE19730377A1 Reamer for cylindrical bore |
| 01/27/1999 | EP0893195A2 Tool holder for rotating chip forming tool |
| 01/27/1999 | EP0893185A1 Twist drill |
| 01/27/1999 | EP0652813B1 An indexable-insert drilling tool |
| 01/26/1999 | US5863162 Tool body and removable tool tip for chip removing machining |
| 01/26/1999 | US5863161 Countersinking tool with removable cutting inserts |
| 01/21/1999 | WO1999002297A1 Machine tool extension and method of forming the same |
| 01/21/1999 | WO1999002292A1 Compass saw device with ejector facility |
| 01/20/1999 | EP0891832A1 Drill |
| 01/20/1999 | EP0891239A1 Twist drill with asymmetrically spaced support margins |
| 01/20/1999 | EP0891238A1 Drilling tool for machine tools and method of producing the same |
| 01/20/1999 | CN2304494Y Steel wire drill for conveyor belt |
| 01/20/1999 | CN1041697C Tooland tool receiver used for hand tool device |
| 01/19/1999 | US5860773 Drilling tool with rounded insert support surfaces |
| 01/13/1999 | EP0890404A1 Damage resistant drill |
| 01/13/1999 | EP0890403A1 Drill with flutes having alternating helical and straight sections |
| 01/13/1999 | EP0674561B1 Solid drill |
| 01/13/1999 | CN2303698Y Stepped twist drill |
| 01/13/1999 | CN1204976A Tool for cutting machining |
| 01/07/1999 | WO1999000209A1 Twist drill for dry boring |
| 01/07/1999 | WO1999000208A1 Tool coupling and method for coupling two tool parts |
| 01/07/1999 | EP0888842A1 Rotating shaft tool |
| 01/07/1999 | EP0888841A2 Drilling tool having rectangular cutting inserts |
| 01/07/1999 | DE19727070A1 Drill bit for drilling in concrete |
| 01/07/1999 | DE19726984A1 Bohrer zum Trockenbohren Drill for dry drilling |
| 01/06/1999 | CN1203841A Hole-drilling tool with rectangular blade |
| 01/05/1999 | US5855458 Rotary cutter |
| 12/30/1998 | EP0712343B1 Twist drill |
| 12/30/1998 | CN2302080Y 钻夹头 Drill Chuck |
| 12/30/1998 | CN2302079Y Bit for drilling machine |
| 12/29/1998 | US5853271 Rotating shaft tool |
| 12/29/1998 | US5853269 Wallboard electrical box cutter having a cutting chain |
| 12/23/1998 | WO1998057771A1 Method for improving wear resistance of abrasive tools |
| 12/23/1998 | CN2301281Y Cutter specially adapted for making locking hole of aluminium alloy steel ring for automobile |
| 12/23/1998 | CN2301280Y Handle drill chuck |
| 12/23/1998 | CN1041293C 钻孔工具 Drilling Tools |
| 12/23/1998 | CA2291279A1 Method for improving wear resistance of abrasive tools |
| 12/22/1998 | CA2140573C Drilling tool for metallic materials |
| 12/22/1998 | CA2055287C Spot-weld removing tool |
| 12/17/1998 | WO1998056553A1 Core bit |
| 12/17/1998 | WO1998056527A2 Multi-bit drill |
| 12/16/1998 | EP0883455A2 Drilling tool for machine tools and method of producing the same |
| 12/16/1998 | CN2300466Y Drill capable of removing fash in hollow oil pumping rod |
| 12/15/1998 | US5848861 Tool-bit holder and method of manufacturing same |
| 12/15/1998 | US5848860 Automatic back and front spotfacing and counterboring tools |
| 12/15/1998 | CA2160044C Hollow annular drill bit with hollow cylindrical carrier member |
| 12/09/1998 | CN1200968A Cutting tool and production method therefor |
| 12/09/1998 | CN1041065C Hollow drill bit with end cutting edge |
| 12/08/1998 | US5846035 Damage resistant drill |
| 12/03/1998 | WO1998053943A1 A cutting tool assembly and a replaceable cutting head for use therein |
| 12/03/1998 | DE19723718A1 sawing and turning device |
| 12/02/1998 | EP0881020A1 Method and tool for working grooves with spherical undercutting |
| 12/02/1998 | EP0880420A2 High precision cutting tools |
| 12/02/1998 | EP0880419A1 Machining tool and method for forming same |
| 12/02/1998 | CN1200784A Cutting tool for drilling concrete, aggregate or masonry |
| 12/02/1998 | CN1040956C Tool and tool holder for hand-tool apparatus |