Patents for B21K 5 - Making tools or tool parts, e.g. pliers (942)
10/2012
10/04/2012WO2012135257A2 Cutting element having modified surface
10/04/2012US20120247840 Methods of forming earth boring tools and related structures
10/04/2012US20120247834 Cutting element having modified surface
10/04/2012US20120247171 Hot Stamping Die Apparatus
10/04/2012CA2830675A1 Cutting element having modified surface
09/2012
09/26/2012EP2501504A1 Compensation grooves to absorb dilatation during infiltration of a matrix drill bit
09/25/2012US8272295 Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits
09/11/2012US8261632 Methods of forming earth-boring drill bits
09/06/2012US20120222463 Method for manufacturing an insert pocket of a cutter body
08/2012
08/23/2012US20120210825 Manufacturing Process of a Wheel Nut Wrench
08/23/2012US20120210766 Guided keeper assembly and method for metal forming dies
08/16/2012US20120205162 Downhole tools having features for reducing balling, methods of forming such tools, and methods of repairing such tools
08/16/2012US20120205160 System and method for leg retention on hybrid bits
08/16/2012US20120204682 Method and Apparatus for a True Geometry, Durable Rotating Drill Bit
08/14/2012US8240403 Earth-boring tools with improved retention of cutting elements installed within pockets
07/2012
07/31/2012US8230762 Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials
07/26/2012US20120189980 Assembly of a dental implant and an insertion tool
07/10/2012US8215147 Hot stamping die apparatus
07/05/2012US20120172905 Tissue Removal Apparatus and Method of Manufacturing Same
07/05/2012US20120167724 Open-end wrench and method of manufacturing the same
07/04/2012CN102059511B Production process of integral kelly stem
07/04/2012CN101972835B Closed forging technique for steering knuckle
06/2012
06/21/2012US20120153579 Metal gasket and method for manufacturing die for metal gasket
06/21/2012US20120151985 Gas spring mounting assembly and method for metal forming dies
06/19/2012US8202335 Superabrasive elements, methods of manufacturing, and drill bits including same
06/13/2012CN202270927U Pcb微型钻头冷压模具 Pcb miniature drill bit cold mold
06/12/2012US8196493 Methods for manufacturing combination wrenches without generating carbon scale
06/07/2012WO2012073089A1 3d-printed bodies for molding downhole equipment
06/07/2012CA2819096A1 3d-printed bodies for molding downhole equipment
06/06/2012CN202263875U 直槽双头钻的加工模具 Headed straight flute drill machining mold
06/05/2012US8195438 Method for designing cutting structure for roller cone drill bits
06/05/2012US8191445 Methods of forming fiber-containing diamond-impregnated cutting tools
05/2012
05/31/2012US20120134761 Spiral fluted tap and method for manufacturing the same
05/24/2012US20120125695 Earth-boring tools including replaceable cutting structures and related methods
05/24/2012DE102010061905A1 Verfahren zur Herstellung des Einsteckendes eines Bohrers Process for the preparation of the insertion end of a drill
05/24/2012DE102010060614A1 Integrated stainless steel drilling screw i.e. bimetal drilling screw, manufacturing method, involves forming intermediate product into drilling tip, screw head and thread i.e. tapping screw thread, in subsequent steps
05/17/2012US20120118642 Methods of making earth-boring tools and methods of drilling with earth-boring tools
05/15/2012US8176813 Methods for manufacturing combination wrenches without generating carbon scale
05/15/2012US8176812 Methods of forming bodies of earth-boring tools
05/10/2012US20120114438 Blank and tool with cooling channels
05/10/2012US20120111638 System and method for adjusting roller cone profile on hybrid bit
05/10/2012US20120111156 Pliers
05/08/2012US8172914 Infiltration of hard particles with molten liquid binders including melting point reducing constituents, and methods of casting bodies of earth-boring tools
05/03/2012US20120104830 Grading Pick With Extended Fins
04/2012
04/26/2012US20120098326 Reduced Volume Cutting Tip and Cutting Bit Incorporating Same
04/12/2012US20120085583 Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry
04/05/2012US20120079918 Method and device for producing longitudinal components of metal with helical grooves, in particular spiral drill bits or screws
04/04/2012EP1382414B1 Method of making a cutting tool blade
03/2012
03/14/2012CN102378661A Cutting tool material, composite material, cutting tool and method for producing a cutting tool material
03/08/2012US20120055031 Cutting edge for a cutting tool
02/2012
02/07/2012US8109177 Bit body formed of multiple matrix materials and method for making the same
01/2012
01/31/2012US8104322 Method of working in pressing dies using marking paint
01/25/2012EP1933995B1 Forming tool
01/11/2012EP1119427B1 Die boards and method of making
01/10/2012US8091452 Method for manufacturing drill head
01/10/2012US8091401 New-type thin shredder blade having blade points without steps, blade sets and manufacturing method thereof
01/04/2012CN102303088A Machining tool for straight-groove dual-head drill
01/03/2012US8087324 Cast cones and other components for earth-boring tools and related methods
12/2011
12/20/2011US8079429 Methods of forming earth-boring tools using geometric compensation and tools formed by such methods
12/01/2011US20110290079 Production method for an insertion end, such as for a drilling, chiseling or boring tool
12/01/2011US20110290078 Methods Of Fabricating A Honeycomb Extrusion Die From A Die Body
11/2011
11/29/2011US8065935 Method of manufacturing a rotary drill bit
11/24/2011US20110283839 Method of monitoring wear of rock bit cutters
11/23/2011CN202045321U Novel hot-forging die for single chisel bit blank
11/17/2011US20110277595 Bunter Technology
11/09/2011EP2384849A1 Hollow drill and method for its manufacture
11/09/2011CN102233511A Hollow drill and method for its manufacture
11/03/2011WO2011137021A1 Method for manufacturing an elongate tool with a working portion and an insertion portion
11/03/2011DE102010028474A1 Hohlbohrer und Herstellungsverfahren Hollow drill and manufacturing processes
10/2011
10/27/2011US20110259647 Systems for manufacturing downhole tools and downhole tool parts
10/27/2011US20110259150 Disc Cutter for an Earth Boring System
10/19/2011EP2313218B1 Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses
10/13/2011WO2011127046A1 Method for producing a drill bit and drill bit manufactured thereby
09/2011
09/29/2011US20110232422 Scribing wheel for brittle material and manufacturing method for same, as well as scribing method, scribing apparatus and scribing tool using the same
09/22/2011US20110226645 Blade exchange device, system and method
09/21/2011EP1648633B1 Forging method
09/20/2011US8020471 Method for manufacturing a drill bit
09/06/2011US8011275 Methods of designing rotary drill bits including at least one substantially helically extending feature
08/2011
08/31/2011EP2361702A1 Method for producing an insertion end
08/24/2011EP2359951A1 Tools with a thermo-mechanically modified working region and methods of forming such tools
08/17/2011CN102152061A Process for manufacturing outer sleeve blanks
07/2011
07/28/2011US20110182684 Micro drill and method of fabricating the same
07/27/2011CN101890622B Method for manufacturing hammer lever of electrohydraulic hammer
07/21/2011US20110174548 Downhole tools having features for reducing balling, methods of forming such tools, and methods of repairing such tools
07/21/2011US20110174048 Reflare tool and process
07/20/2011CN102125979A Molding method of ratchet wrench braking teeth
06/2011
06/30/2011US20110155472 Earth-boring tools having differing cutting elements on a blade and related methods
06/23/2011US20110147089 Drill bit with an adjustable steering device
06/16/2011US20110144649 Disposable Flex Reamer
06/15/2011CN102099134A Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses
06/07/2011US7954401 Method of assembling a drill bit with a jack element
06/01/2011EP2327492A1 Three-spiral and multi-spiral drill, drill and method for manufacturing the same
06/01/2011EP2327491A1 Method for manufacturing a drill and drill manufactured thereby
05/2011
05/26/2011US20110120780 Method and Apparatus for a True Geometry, Durable Rotating Drill Bit
05/26/2011US20110120269 Modular hybrid drill bit
05/25/2011EP2324960A1 Welded hammer
05/25/2011CN201841233U Cone upsetting die for forging cutting pick boot
05/19/2011WO2011060406A1 Compensation grooves to absorb dilatation during infiltration of a matrix drill bit
05/18/2011CN102059511A Production process of integral kelly stem
04/2011
04/28/2011US20110094341 Methods of forming earth boring rotary drill bits including bit bodies comprising reinforced titanium or titanium based alloy matrix materials
1 2 3 4 5 6 7 8 9 10