| Patents for B23B 41 - Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor (5,345) |
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| 06/10/1998 | CN2283535Y Hard metal countersink compound tool for hydraulic piece |
| 06/03/1998 | EP0845630A2 Tapping apparatus |
| 06/03/1998 | EP0845317A1 Device for metal-cutting working of profiles |
| 06/02/1998 | US5759140 Method and apparatus for machining holes in crankshafts |
| 05/27/1998 | CN1038487C Device for producing drilled holes with undercut |
| 05/13/1998 | EP0841515A2 Drill |
| 04/23/1998 | WO1998016353A1 Apparatus for mounting a drill on a pipe |
| 04/23/1998 | DE19641803A1 Tapping fitment for gas or water pipeline |
| 04/22/1998 | EP0700362A4 Apparatus and method for controlled penetration of compressed fluid cylinders |
| 04/22/1998 | CN2279231Y Electric hole-drilling machine under pressure without stopping supply for pipe |
| 04/22/1998 | CN1179741A Method of manufacturing cylinder liner for piston engine, and cylinder liner |
| 04/14/1998 | US5737822 Corporation stop assembly |
| 04/14/1998 | CA2112417C Automatic drilling tool especially for a robot |
| 04/07/1998 | US5735652 Device for broaching a workpiece |
| 04/01/1998 | CN2277308Y Device specially adapted for horizontal processing brake disk of vertical processing brake drum |
| 03/25/1998 | CN2276849Y Vernier precision hole-boring blade |
| 03/04/1998 | CN2275492Y Adjustable sheet big hole drilling tool |
| 02/04/1998 | EP0821631A1 Method and apparatus for machining holes in crankshafts |
| 02/03/1998 | US5713702 Adaptors for a drill stand |
| 01/29/1998 | DE19630029A1 Valve tapping fitting for plastics pipelines under pressure |
| 01/29/1998 | DE19630028A1 Drilling fixture for plastics pipes under medium pressure |
| 01/29/1998 | DE19629459A1 Connection fitting for plastics pipe |
| 01/14/1998 | EP0818264A1 Tool and method for deburring |
| 12/23/1997 | CA2083582C Tooling system and method for broaching engine components |
| 12/17/1997 | CN1168116A Apparatus for boring web of shape steel |
| 12/10/1997 | EP0811799A2 Tapping device with valve for supply plastic pipes under pressure |
| 12/10/1997 | EP0772546A4 Rupture vessel with auxiliary processing vessel |
| 12/09/1997 | US5694971 Lead-free saddle valve for tapping into fluid lines |
| 12/03/1997 | EP0689488B1 Forming threaded holes |
| 12/03/1997 | CN2269258Y Deep hole variable diameter boring cutter |
| 11/25/1997 | US5689873 Tacking fastener |
| 11/19/1997 | EP0808087A2 Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards |
| 11/12/1997 | EP0806259A1 Apparatus for boring web of shape steel |
| 10/09/1997 | DE19613443A1 Deep hole drilling unit |
| 09/24/1997 | CN2262969Y Integral micro-adjustable boring head |
| 09/10/1997 | EP0793556A1 Precision drill for drilling noncircular bores |
| 09/09/1997 | US5664610 Rupture vessel with auxiliary processing vessel |
| 08/28/1997 | WO1997030814A1 Cylinder block mounting fixture |
| 08/20/1997 | EP0572540B1 Arrangement for driving a rotary tool |
| 08/20/1997 | CN1157200A Pinhole plotter |
| 08/14/1997 | DE19605069A1 Numerically controlled boring bit for non-cylindrical holes |
| 08/13/1997 | CN2259247Y Bench drilling machine |
| 08/12/1997 | US5655855 Tool for precise machining of metal |
| 08/12/1997 | US5655283 Corporation stop assembly |
| 08/12/1997 | US5655278 Apparatus and method for boring overhead cam engine cylinder heads |
| 07/30/1997 | EP0570448B1 Drilling printed circuit boards and entry and backing boards therefor |
| 07/17/1997 | WO1997025538A1 Tacking fastener |
| 07/15/1997 | US5647702 Apparatus for drilling variable size holes in bowling ball |
| 07/03/1997 | WO1997023747A1 Valve self-piercing tap |
| 07/01/1997 | US5643069 Drill for drilling brittle materials |
| 06/18/1997 | CN1152269A Drilling tool with internal cavities for chip removal |
| 06/17/1997 | US5639289 Installation for the treatment of plates |
| 06/11/1997 | EP0777544A1 Method and device for influencing the course of deep hole drilling |
| 06/11/1997 | CN1151676A Device and method for perforating printed circuit board |
| 05/28/1997 | CN1150771A Drilling tool with rounded insert support surfaces |
| 05/27/1997 | US5632577 Drill for drilling rails and track rigs for railroad applications |
| 05/15/1997 | WO1997017156A1 Apparatus for boring web of shape steel |
| 05/14/1997 | EP0772546A1 Rupture vessel with auxiliary processing vessel |
| 05/13/1997 | US5628591 Axle pivot boring tool |
| 04/29/1997 | US5624215 Bowling ball drilling |
| 04/24/1997 | DE19538570A1 Apparatus for inserting component into pressurised pipe |
| 04/08/1997 | US5618137 For gaming access to the contents of a container |
| 04/08/1997 | CA2157710C Deep bore drilling apparatus with rotatable single tube system |
| 04/02/1997 | EP0765202A1 Drilling tool with internal cavities for chip removal |
| 04/02/1997 | EP0765201A1 Drilling tool with rounded insert support surfaces |
| 04/01/1997 | US5615981 Forming threaded holes |
| 03/27/1997 | DE19627479A1 Device for drilling hole through glass plate for e.g. sign mount |
| 03/26/1997 | EP0764068A1 Method and apparatus for making a longitudinal hole in a pipe |
| 03/25/1997 | US5613534 Apparatus and method for controlled penetration of compressed fluid cylinders |
| 03/13/1997 | DE19636166A1 Machine for drilling of workpieces |
| 03/13/1997 | DE19636139A1 Machine drilling of workpieces |
| 03/13/1997 | DE19636136A1 Multiple drilling machine for workpieces |
| 03/11/1997 | US5609449 Apparatus for fitting and for drilling variable size holes in a bowling ball |
| 02/18/1997 | US5603250 Radial cutting tool having indexed pair of bit-subassemblies with simultaneous feed for cutting thick-walled tubes |
| 02/11/1997 | US5601385 Apparatus for fitting and drilling bowling balls |
| 02/04/1997 | US5598754 Method for the underwater cutting of columnar members |
| 01/15/1997 | EP0752923A1 Apparatus and method for boring overhead cam engine cylinder heads |
| 01/15/1997 | CN2244975Y Cylinder boring machine |
| 01/15/1997 | CN1033793C Fixture of drilling machine for shaped steel |
| 01/07/1997 | US5590466 Method for boring overhead cam engine cylinder heads |
| 12/18/1996 | CN2242747Y Boring machine special for braking drum and braking friction piece of motor vehicle |
| 12/17/1996 | US5584325 Apparatus and method for controlled penetration of compressed fluid cylinders |
| 12/03/1996 | US5580195 Machining kit and method of using the same |
| 11/27/1996 | EP0744570A1 Shut-off valve for a conduit under pressure |
| 11/07/1996 | DE19516146A1 Tool for milling holes in plastic pipes |
| 11/06/1996 | CN2239313Y Multi-station combined drilling machine for middle beam of railroad vehicle |
| 10/30/1996 | CN2238690Y Digital control deep hole boring machine |
| 10/24/1996 | WO1996033043A1 Method and apparatus for machining holes in crankshafts |
| 10/10/1996 | DE19512591A1 Drill=in fitting for plastic service line under pressure |
| 10/03/1996 | WO1996030159A1 A method of manufacturing a cylinder liner for a piston engine, and a cylinder liner |
| 09/24/1996 | US5557995 Radial cutting tools for cutting thick-walled tubular members |
| 09/11/1996 | EP0527731B1 Portable machine tool |
| 08/28/1996 | CN2233802Y Hole drilling machine for pipe line |
| 08/14/1996 | EP0726419A1 Fitting for tapping pipe walls |
| 08/13/1996 | US5544989 Apparatus for making a drilled hole with an undercut |
| 08/13/1996 | US5544985 Deep bore drilling apparatus with rotatable single tube system |
| 08/08/1996 | DE19603254A1 Valve drill fitting for pipe conduits under medium pressure |
| 08/08/1996 | DE19503602A1 Device for drilling into pipe conduits |
| 08/06/1996 | US5542796 Robotic drill clamp |
| 07/31/1996 | CN1127687A Precision drilling clamping head |