| Patents for B23B 49 - Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centring devices for holes to be bored (2,465) |
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| 08/12/1981 | EP0033327A1 Tool guide |
| 08/04/1981 | US4281949 Combination depth gauge and level for a drill |
| 07/28/1981 | US4280776 Apparatus for installation of a door lockset |
| 07/07/1981 | US4277208 Tool guide |
| 06/16/1981 | US4273481 Hydraulic stop |
| 05/26/1981 | US4269550 Drill bushing for use in a metal tooling plate |
| 05/05/1981 | US4266120 Unmanned machining center with tool checking |
| 04/16/1981 | WO1981000978A1 Cutting off and centering machines |
| 03/17/1981 | US4256422 Drilling machine with a drilling stop |
| 02/19/1981 | WO1981000370A1 Tool guide |
| 02/17/1981 | US4250971 Particulate material intercepting arrangement for a hand-held tool |
| 01/20/1981 | US4246577 Tool breakage detecting apparatus |
| 12/30/1980 | US4242017 Passive mating system |
| 12/30/1980 | US4241483 With tungsten carbide and nickel chrome coating on steel |
| 12/23/1980 | US4240207 Tool presetting device |
| 11/25/1980 | CA1090108A1 Unmanned machining center with tool checking |
| 10/07/1980 | CA1086994A1 Combination drilling and wrenching tool |
| 07/29/1980 | CA1082498A1 Doweling jig |
| 07/22/1980 | US4213658 Tool guide bushing mounting assembly |
| 06/24/1980 | US4209272 Apparatus and method of forming holes in plate glass |
| 06/17/1980 | US4207953 Particulate material intercepting arrangement for a hand held tool |
| 06/17/1980 | US4207657 Separating device for bar and pipe-shaped workpieces |
| 05/15/1980 | WO1980000933A1 Machine tool for cutting opposite ends of workpieces |
| 02/26/1980 | CA1072372A1 Depth stop for drilling machine |
| 01/29/1980 | US4185376 Unmanned machining center with tool checking |
| 01/22/1980 | CA1070412A1 Electrical centering and boring system for transducers |
| 12/25/1979 | US4180356 Broken tool detector |
| 12/04/1979 | US4176989 Auxiliary device for boring of dowel holes in boards |
| 10/02/1979 | US4169637 Drill bushings, pump seals and similar articles |
| 10/02/1979 | CA1063448A1 Detecting system for machine tools |
| 09/18/1979 | US4168131 Double ended drill stop |
| 08/07/1979 | US4163622 Drilling machine |
| 07/11/1979 | EP0002782A2 Unmanned machining center with tool checking |
| 05/29/1979 | CA1055247A1 Reflective drill guide |
| 05/08/1979 | US4153382 Center drilling machine |
| 03/20/1979 | US4145160 Doweling jig |
| 02/06/1979 | US4138200 Drill stop |
| 12/26/1978 | US4131385 Alignment bushing |
| 12/19/1978 | US4130372 Guide bushing for rotary tool |
| 10/31/1978 | US4123193 Double ended drill stop |
| 10/03/1978 | US4118139 Machine tool and method |
| 09/26/1978 | US4116094 Method and apparatus for centering a wheel set |
| 09/19/1978 | US4115017 Device for drilling hole of predetermined depth |
| 09/12/1978 | US4113404 Depth stop for a drilling machine |
| 08/22/1978 | US4107800 Combination drilling and wrenching tool |
| 05/23/1978 | US4090802 Radio detector for detecting dull and broken tools |
| 05/02/1978 | US4087801 Apparatus for detecting damages of cutting tools |
| 05/02/1978 | US4087137 Drill bushing and similar article |
| 11/01/1977 | US4056329 Detection system for machine tools |
| 08/02/1977 | US4039266 Combination stop collar and cutting tool |
| 06/07/1977 | US4027992 Boring tool guide device |
| 05/17/1977 | US4023907 Reflective drill guide |
| 04/26/1977 | US4019827 Drill stop |
| 04/05/1977 | US4016470 Electrical centering and boring system for transducers |
| 03/15/1977 | US4012161 Rotary cutting device |
| 03/15/1977 | US4011793 Portable boring bar |
| 11/30/1976 | US3994612 Arrangement for detecting the state of a tool |
| 11/16/1976 | US3992122 High velocity, low-friction boring tool |
| 11/09/1976 | US3990805 Arrangement for detecting the state of a tool |
| 09/21/1976 | US3981604 Liner bushing |
| 09/07/1976 | US3979165 Drill guide |
| 06/15/1976 | US3963364 Tool control system and method |
| 05/04/1976 | US3954347 Drilling machine |
| 04/20/1976 | US3951020 Centering assemblies for lathes |
| 03/02/1976 | US3941496 Drilling machine for plaster casts or models |