| Patents for B23B 51 - Tools for drilling machines (12,490) |
|---|
| 10/19/1993 | US5253961 Coupling for drilling machine with dust extractor |
| 10/14/1993 | DE4211797A1 Countersinking and chamfering tool for power drill - has half cone shaped cutting head with rake face ground to be above centre by 0.2 to 1.0 mm |
| 10/13/1993 | EP0565491A1 Coupling device, specially for coupling a toolholder to a driving spindle |
| 10/12/1993 | US5251516 Tool for extracting broken bolts and the like |
| 09/29/1993 | EP0561957A1 Cold headed center vacuum drill bit |
| 09/28/1993 | CA1322478C Main line tapping apparatus |
| 09/22/1993 | EP0560951A1 Wear resistant tools |
| 09/22/1993 | CN2142379Y Quick diameter changing sleeve |
| 09/21/1993 | US5246318 Annular hole cutter |
| 09/21/1993 | US5246317 Quick-release arbor for hole saws |
| 09/16/1993 | DE4307553A1 Two fluted twist drill - has thick-webbed spiral fluted section at front end which runs out into thin-webbed straight-fluted section with wider flutes at rear end |
| 09/15/1993 | EP0560253A1 Cutting tool |
| 09/08/1993 | EP0559328A2 Method and apparatus for finishing a cylinder bore |
| 08/31/1993 | US5240357 Annular hole cutter |
| 08/19/1993 | WO1993016291A1 Masonry anchors |
| 08/19/1993 | WO1993015865A1 Axially adjustable chamfering device and tool holder therefor |
| 08/18/1993 | EP0555695A1 Cutting tool for the production of cylindrical bores |
| 08/17/1993 | US5236291 Multi-tooth drill with improved chisel edge |
| 08/17/1993 | US5236290 Adjustable hole cutting device |
| 08/10/1993 | US5234294 Drilling device for producing drilled holes with undercuts |
| 08/04/1993 | EP0553124A1 Device for hand machine-tools. |
| 08/04/1993 | CN2139490Y Bit with long and short cutting lip |
| 08/03/1993 | US5232320 Cutting insert for a rotary cutting tool |
| 08/03/1993 | US5231802 Drill and drill grinding method and apparatus |
| 07/27/1993 | US5230593 Twist drill |
| 07/21/1993 | EP0551795A1 Tool for impact drilling and chiseling and chuck therefor |
| 07/20/1993 | US5228812 Throw-away tipped drill |
| 07/14/1993 | CN1074155A Twist drill bit |
| 07/13/1993 | US5226763 Device for producing drilled holes with an undercut |
| 07/13/1993 | US5226762 Sealed hole-saw arbor |
| 07/13/1993 | US5226489 Insert spacer assembly |
| 06/30/1993 | EP0549548A1 Drill |
| 06/22/1993 | CA1319281C Precision boring tool |
| 06/17/1993 | DE4141045A1 Drill tool with central bit and quick release - uses laterally actioned catch which is released by relative rotation of two parts of drill tool |
| 06/16/1993 | CN2136089Y Taper eccentric clamp deep hole drill and blade |
| 06/15/1993 | US5219250 Cutting tool for plasterboard |
| 06/15/1993 | US5218888 Annular hole cutter |
| 06/10/1993 | WO1993010929A1 Lathe tool |
| 06/10/1993 | CA2124802A1 A lathe tool |
| 06/09/1993 | DE4140301A1 Drehwerkzeug Turning Tool |
| 06/08/1993 | US5217334 Annular hole cutter |
| 06/08/1993 | US5217332 Drill bit for advanced materials |
| 06/08/1993 | US5217330 Adjustable cutting tool insert assembly |
| 05/27/1993 | WO1993009731A1 Surgical tool for rounding off the edge of a drilled hole in a bone |
| 05/27/1993 | DE4138804A1 Combined drilling and chamfering tool - is in two versions with chamfering edges at bottom of drill chuck jaws or on tool bit hinged in recess of twist drill flute |
| 05/25/1993 | US5213456 Plug cutter |
| 05/19/1993 | EP0542683A1 Tool for impact drilling and chuck for impact drilling tools |
| 05/19/1993 | CN2133390Y Twist drill with plastic handle |
| 05/18/1993 | US5211635 Drill with trimming attachment |
| 05/18/1993 | US5211516 For expanding boreholes |
| 05/18/1993 | US5211088 Anti-backlash device for cutting tool |
| 05/12/1993 | EP0540841A1 Drilling device for making holes with undercuttings |
| 05/12/1993 | EP0295309B1 Hole saw |
| 05/12/1993 | CN1071876A Device for producing drilled holes with undercut |
| 05/11/1993 | US5209617 Deburring tool |
| 05/05/1993 | CN2131653Y Wrench |
| 05/05/1993 | CN2131636Y Drill without slip |
| 04/27/1993 | US5205685 Hole saw |
| 04/22/1993 | DE4134700A1 Rotating tool for use on drilling machine - has ratchet tooth drive which is disengaged when direction of rotation is reversed |
| 04/21/1993 | EP0537476A1 Milling head |
| 04/21/1993 | EP0302915B1 Combined hole making and threading tool |
| 04/21/1993 | CN2130119Y Hollow drill |
| 04/21/1993 | CN1071114A Drilling device for producing drilled holes with undercut |
| 04/20/1993 | US5203856 Tool for finishing and chamfering a hole |
| 04/20/1993 | US5203595 Dovetail-type coupling device and method |
| 04/15/1993 | DE4133848A1 Masonry drill for forming to back cuttings - has first distance piece as rest for second distance piece which slides or pushes over first |
| 04/13/1993 | CA1316016C Annular cutter having radial clearance |
| 03/31/1993 | CA2079037A1 Milling head |
| 03/30/1993 | US5197833 Drill tool for making a drilled hole with an undercut |
| 03/23/1993 | US5195404 Drill bit with cutting insert |
| 03/23/1993 | US5195403 Composite cutting insert |
| 03/23/1993 | CA1314736C Drill bit having a shank with grooves |
| 03/17/1993 | CN2128179Y Multipurpose milling cutter type drill |
| 03/17/1993 | CN2128178Y Cooling, Lubricating and chip removal device for four square depth twist drill |
| 03/17/1993 | CN1020075C Assmmetrical drill with double chip-removing slots |
| 03/09/1993 | US5191864 Engine cylinder bore |
| 03/03/1993 | EP0529238A1 Device for making drilled holes with undercutting |
| 02/24/1993 | EP0528592A1 Method for selective CVD diamond deposition |
| 02/18/1993 | WO1993002824A1 Cutting insert and drilling tool for drilling in solid material |
| 02/18/1993 | WO1993002823A1 Wear resistant tools |
| 02/18/1993 | WO1993002817A1 Method of manufacturing an insert drill |
| 02/16/1993 | US5186739 Cermet alloy containing nitrogen |
| 02/16/1993 | US5186584 Twist drill |
| 02/11/1993 | DE4126241A1 Schneideinsatz und bohrwerkzeug fuer bohrungen in vollmaterial Cutting insert and drilling tool for drilling into full material |
| 02/10/1993 | EP0526960A2 Annular hole cutter |
| 02/10/1993 | EP0526893A1 Wheel chock for automobile transporting vehicles |
| 02/09/1993 | US5184926 Root-strength drill bit and method of making |
| 02/09/1993 | US5184925 Insert and insert support bar |
| 02/09/1993 | CA2072326A1 Method for selective cvd diamond deposition |
| 02/04/1993 | DE4125577A1 Wall anchor bolt hole and drilling tool - with drilling tool producing space near bottom of hole larger than drill for anchoring |
| 01/28/1993 | DE4125006A1 Producing wall recesses for installation of electrical sockets |
| 01/28/1993 | DE4125005A1 Producing wall recesses for installation of electrical sockets |
| 01/26/1993 | US5181811 Drill and drill grinding method and apparatus |
| 01/26/1993 | US5181810 Deburring tool with cutting blade |
| 01/19/1993 | US5180261 Motor-operated tool |
| 01/19/1993 | CA1312819C Method and apparatus for replacing a section of tubing |
| 01/13/1993 | EP0522202A1 Drilling tool |
| 01/07/1993 | DE4121695A1 Chamfering or countersinking drill - has combined drill and countersinking or chamfering bit attachment |
| 01/07/1993 | DE4121621A1 Drill for work on masonry behind wall surfacings - has plate-shaped edge on damping element which is curved with pins and movable centre |
| 01/05/1993 | US5176477 Drill tool |