| 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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| 01/31/1989 | CA1249425A1 Numerical-control machining center for structural sections |
| 01/26/1989 | DE3723898A1 Boring fitting |
| 01/25/1989 | EP0300959A1 Process and apparatus for centering a pilot arbor |
| 01/25/1989 | CN2031323U Boring tool for conical bole |
| 01/11/1989 | CN2030517U Adjustable boring device capable of boring from both ends |
| 12/20/1988 | US4792265 Engine boring and surfacing machine |
| 12/15/1988 | DE3744693A1 Valve drilling clamp |
| 12/06/1988 | US4789279 For supporting an engine block |
| 12/01/1988 | WO1988009236A1 Plate working machine |
| 12/01/1988 | DE3716671A1 Tapping clip |
| 11/22/1988 | US4786216 Printed circuit board drilling machine |
| 11/17/1988 | DE3715518A1 Automatic milling and drilling appts. for window profiles - comprises sliding tilting drills above and below workable with programmable feed |
| 10/12/1988 | EP0285774A1 Device to bore holes with undercut |
| 09/07/1988 | EP0280862A2 Guiding device for long reach drill |
| 09/06/1988 | US4768599 Drill bit for undercutting a blind bore |
| 09/01/1988 | DE3705852A1 Method and device for recognising off-course runs in deep-hole drilling work and for counter control after the indication of a slanted run |
| 08/25/1988 | WO1988006070A1 Undercutting drill |
| 08/16/1988 | US4764061 Clamping mechanism for an automatic drilling machine |
| 07/27/1988 | CN87103520A Method of and apparatus for thread mill drilling |
| 07/20/1988 | EP0275032A1 Method and device for producing an undercut bore hole in a mounting base |
| 07/13/1988 | CN87216172U Swivelling jip for drilling axial and radial holes and its accessories |
| 06/22/1988 | CN87104756A Mini-hole drilling microtorque monitor |
| 06/22/1988 | CN86108097A High-speed precision mini-hole drilling machine |
| 06/07/1988 | US4749314 Sheet material drilling apparatus |
| 05/25/1988 | EP0100358B1 An adjustable boring bar for a numerically controlled machine tool system |
| 05/24/1988 | CA1237001A1 Drilling apparatus for boring an array of holes in a workpiece |
| 05/19/1988 | WO1988003743A1 Method and apparatus for manufacturing printed circuit boards |
| 05/03/1988 | US4741083 Tool for unplugging fire hydrant drains |
| 03/31/1988 | DE3347996C2 Deep-hole drilling machine |
| 03/16/1988 | CN87210477U Self-control machine for boring brake drum |
| 03/15/1988 | US4730958 Overhead cambearing line boring tool |
| 03/15/1988 | US4730636 Valve and tapping tee apparatus and method |
| 03/08/1988 | CA1233680A1 Self generating profile generator and method |
| 02/24/1988 | CN87201965U Double-edged chamfering machine with rail bolt holes |
| 02/23/1988 | US4726717 Deep-bore drilling machine |
| 01/06/1988 | CN87203957U Movable multifunctjional steel rail drilling machine |
| 12/31/1987 | CN87207071U Tap holder with automatic deepth controlling and reversing |
| 12/03/1987 | DE3617865A1 Device for connecting a fluid container |
| 11/17/1987 | US4706373 Numerical-control machining center for structural sections |
| 11/10/1987 | CA1228978A1 Apparatus for machining girders |
| 10/28/1987 | EP0242638A1 Boring tool |
| 10/28/1987 | CN86102659A Method of high speed boring, milling and grinding of a slender holes and its equipment |
| 10/22/1987 | DE3712368A1 Machine for assembling a pin hinge |
| 10/20/1987 | US4701081 Boring process and apparatus |
| 10/20/1987 | US4700789 Device to obtain ring-shaped cavities in the bottom of drilled holes made in any type of medium |
| 10/15/1987 | DE3720837A1 Deep-hole drilling apparatus with continuously working, electrohydraulic centring device, controlled by laser light, for the working axis of the drilling head to prevent deflection in the elastic area |
| 10/07/1987 | EP0240093A2 Drilling apparatus for drilling holes in glass sheets |
| 09/23/1987 | CN86209716U High speed precise drilling machine for small-sized hole |
| 09/16/1987 | EP0237035A2 Method of and tool for thread mill drilling |
| 09/15/1987 | US4693642 Line boring apparatus |
| 09/01/1987 | US4690592 Stabilizing attachment for boring head |
| 08/12/1987 | EP0231720A1 Apparatus for the obtention of annular cavities at the bottom of drills made on surfaces of any kind |
| 08/12/1987 | EP0231540A2 Adjustable machining system and dimension sensing gauge therefor |
| 07/29/1987 | EP0229909A1 Deep hole drilling machine |
| 07/21/1987 | US4680848 Pipe tapping tool |
| 06/30/1987 | US4676700 Drilling apparatus for boring an array of holes in a workpiece |
| 06/30/1987 | CA1223465A1 Adjustable machining system and implement therefore |
| 06/24/1987 | CN85108987A Method of operating numerically controlled machine tool having workable capable of rotation about two intersecting axes |
| 06/23/1987 | US4674162 Rotary synchronous cross drilling attachment |
| 06/10/1987 | CN86203587U Microbore high speed precise drill machine with microcomputer control |
| 06/02/1987 | US4669927 Deep hole drilling machine |
| 05/27/1987 | EP0223477A1 Supporting apparatus |
| 05/26/1987 | US4667383 Machine for processing structural shapes |
| 05/12/1987 | US4664570 Method of operating a numerically controlled machine tool having a worktable capable of rotation about two intersecting axes |
| 04/14/1987 | US4657446 Boring machine for cam shaft bearings |
| 04/07/1987 | US4655480 Molded tapping member formed of a weldable plastics material |
| 03/24/1987 | US4652186 Portable boring machine |
| 03/12/1987 | DE3532157A1 Drill-in device for pressurized steel pipelines |
| 03/12/1987 | DE3530479A1 Combined turning and deep-drilling machine |
| 03/10/1987 | US4648454 Robot |
| 03/03/1987 | US4646413 Tube extractor drill jig |
| 02/11/1987 | CN85201637U Sealed drilling and tapping machine |
| 01/15/1987 | DE3523919A1 Drilling-open tool with a drilling-open head for drilling open a bore |
| 01/08/1987 | DE3524219A1 Connecting nipple |
| 12/30/1986 | US4631995 Tooling apparatus |
| 12/30/1986 | EP0206404A1 Tube extractor drill jig |
| 12/02/1986 | US4626142 Clutch for drilling machine |
| 10/14/1986 | US4616385 Rotary synchronous cross drilling attachment |
| 08/12/1986 | US4605344 Device for drilling holes in a stack of plates |
| 07/08/1986 | US4599018 Automatic traversing drilling unit and method of using |
| 06/24/1986 | US4596500 Drilling method and relevant drilling machine for stacked boards, particularly for printed circuits |
| 06/24/1986 | US4596067 Drilling machine for boards, particularly of printed circuits |
| 05/27/1986 | US4591300 Deep-drilling tool |
| 04/15/1986 | US4581808 Adjustable machining system and implement therefore |
| 04/08/1986 | US4580931 In-situ machine for refurbishing a bore in a workpiece |
| 04/01/1986 | US4579483 Machine for drilling fragile sheet-like materials, in particular sheet glass and the like |
| 03/11/1986 | US4575288 Method of and apparatus for working a profiled steel workpiece |
| 03/11/1986 | US4574439 Deep boring machine |
| 03/05/1986 | EP0172809A1 Automatic traversing drilling unit and method of using. |
| 03/04/1986 | US4573837 Longitudinal feed attachment for a boring bar |
| 03/04/1986 | US4573835 Machine for boring a plate workpiece |
| 02/19/1986 | EP0172105A1 Working centre for numerically controlled beams |
| 02/12/1986 | EP0170844A1 Shaped piercing piece consisting of weldable plastics |
| 02/05/1986 | EP0169973A1 Deep well drilling tools |
| 02/04/1986 | US4568226 Deep-hole drilling machine |
| 01/02/1986 | EP0166113A1 Drilling device for manufacturing bores with conical recesses |
| 12/31/1985 | CA1198617A1 Drilling device for undercut boreholes |
| 12/11/1985 | EP0163781A1 Method and device for manufacturing a composite prestressed wooden beam |
| 12/10/1985 | US4557640 Combination boring and honing apparatus and method |
| 11/21/1985 | EP0161713A2 Drilling apparatus for drilling holes in glass sheets |