| Patents for B24B 3 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (4,999) |
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| 06/30/1994 | DE4243865A1 Equipment for grinding flutes and end face of twist drills etc. |
| 06/23/1994 | DE4242906A1 Numerically-controlled grinder for metal work |
| 06/22/1994 | EP0603152A1 Device for cutting a glass panel |
| 06/22/1994 | EP0602655A1 Method of grinding slitting blades |
| 06/22/1994 | CN1088144A Buff leather |
| 06/21/1994 | US5321912 Mover reel blade relief grinding device |
| 06/15/1994 | CA2088424A1 Mower reel blade relief grinding device |
| 06/14/1994 | US5319890 Bushingless workhead |
| 05/18/1994 | CN2164946Y Cutter polishing and grinding machine |
| 05/17/1994 | US5311703 Multiple purpose tool grinding device |
| 05/10/1994 | CA2044772C Non-rotating grinding apparatus |
| 04/26/1994 | US5305558 Method of sharpening profile-sharpened cutting blades |
| 04/20/1994 | EP0471730B1 Grinding apparatus |
| 04/20/1994 | CN2162323Y Grinding apparatus |
| 04/19/1994 | US5303515 Method and device for automatically sharpening cutting blades |
| 04/13/1994 | CN2161415Y Sharpener for drill |
| 04/13/1994 | CN2161414Y Saw-tooth sharpener |
| 04/12/1994 | US5301473 Grinding apparatus comprising a tool holding jig |
| 04/06/1994 | EP0591109A1 Improved apparatus for grinding and sharpening blades in general |
| 03/23/1994 | CN2159285Y Manually operating metal edge sharpener |
| 03/22/1994 | US5295328 Device for the sharpening, grinding and polishing of dental, parodental and/or surgical instruments |
| 03/16/1994 | CN2158766Y Hand-driven cutter grinding device for group drills |
| 03/16/1994 | CN1083757A Repairing grinding machine for columnar drill |
| 03/09/1994 | EP0434719B1 A sharpening device for the blades of a cross-cutting roller |
| 03/09/1994 | CN2158324Y Domestic device for sharpening cutting edge |
| 03/08/1994 | US5291690 Nipper clamp for precison clamp scissors sharpening system |
| 03/02/1994 | CN2157848Y Dresser |
| 02/22/1994 | US5288179 Hob for generating face gears |
| 02/22/1994 | US5287657 Skate sharpening machine and method |
| 02/08/1994 | US5283986 Apparatus and method for sharpening contour profile cutter blades |
| 02/08/1994 | US5283983 Sharpening device |
| 01/19/1994 | EP0578985A1 Portable manual sharpener for knives and the like |
| 01/13/1994 | DE4222704A1 Rotation symmetrical tool retainer in sharpening mechanism - has tool stem centring clamp, and adjustable coupler for part of stem periphery |
| 01/05/1994 | CN2151837Y Adjustable drill bit angle sharpening device for drill bit sharpener |
| 01/04/1994 | US5274958 Sharpening system especially suitable for spiral meat slicing blade |
| 12/29/1993 | CN2150967Y Grinding wheel machine for electric drill |
| 12/29/1993 | CN2150966Y One stroke knife sharpener |
| 12/23/1993 | WO1993025346A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines |
| 12/23/1993 | CA2136998A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines |
| 12/22/1993 | EP0494221B1 Hob for generating face gears |
| 12/14/1993 | CA1325108C Self-centering arrangement for grinding the hardmetal pins of drill bits |
| 12/14/1993 | CA1325107C Edge sharpeners, particularly for skis |
| 12/07/1993 | CA2023570C Blade sharpener |
| 12/01/1993 | CN2147931Y Hand single phase grinding machine |
| 11/30/1993 | US5265380 Cup grinding machine, in particular for grinding scissors parts |
| 11/30/1993 | CA2040455C Drill grinding machine |
| 11/23/1993 | US5263286 Drill and drill grinding method and apparatus |
| 11/23/1993 | CA2096763A1 Skate sharpening machine |
| 11/23/1993 | CA1324488C Method of making a knife having a scalloped cutting edge |
| 11/18/1993 | DE4215419A1 NC machine tool for metal cutting - has workpiece moved by rotary unit mounted on headstock with linear movement provided by motor coupled via guides |
| 11/16/1993 | CA1324271C Knife sharpener |
| 11/11/1993 | WO1993022101A1 Method of truing and angling cutter blades by sharpening |
| 11/10/1993 | CN2145673Y Multipurpose universal angle clamp device for grinding knife |
| 11/04/1993 | DE4214462A1 Method of grinding cast or press die surfaces - involves rotating work piece and grinding wheel at right angles to each other, wheel having two faces to grind circumferential and end surfaces |
| 11/03/1993 | EP0378638B1 Apparatus and process for the grinding of a profile of a band saw |
| 10/28/1993 | WO1993020682A1 Chopper forage harvester |
| 10/27/1993 | CN2144558Y Wheel type knife grinder |
| 10/27/1993 | CN1022549C Tooth shape regrinding method of gear shaving cutter blade |
| 10/14/1993 | DE4212398A1 Feldhäcksler Forage |
| 10/13/1993 | CN2143542Y Cutting edge sharpening frame |
| 10/13/1993 | CN1077153A Machining process of staggered-tooth tap |
| 10/12/1993 | US5251407 Grinding device |
| 09/30/1993 | WO1993018720A1 Grinder for dental treatment instruments |
| 09/29/1993 | CN2142770Y Sharpening device for knife |
| 09/28/1993 | CA1322459C Abrasive wheel |
| 09/22/1993 | EP0561283A1 Dental tool grinder |
| 09/21/1993 | US5245791 Scissor sharpening apparatus |
| 09/21/1993 | US5245789 Knife sharpener |
| 09/16/1993 | WO1993017827A1 Improvements in or relating to sharpening |
| 09/15/1993 | EP0559798A1 Tool for producing crown wheels, and method for producing such a tool. |
| 09/07/1993 | US5241794 Grinding wheel for cutting blades |
| 08/26/1993 | DE4307679A1 Electronically controlled grinder for re-tipping dental instruments - has coded instrument holding cassette and programmed twin disc grinding head operating in controlled circular arc around instrument tip. |
| 08/18/1993 | CN2140283Y Automatic levelling diamond grinder |
| 08/17/1993 | CA1321303C Machine tool |
| 08/12/1993 | DE4301214A1 Grinding machine for grinding reversible cutting inserts - has grinding wheel with two concentric abrasive surfaces offset from each other in axial direction |
| 08/11/1993 | CN1075109A Knife sharpener |
| 08/11/1993 | CN1075108A Electronic multipurpose machine for sharpening knives |
| 08/10/1993 | US5233792 Apparatus for superfinishing cutting edges |
| 08/05/1993 | WO1993014903A1 Power tool |
| 08/04/1993 | CN2139496Y Automatic sharpening machine for sickle |
| 08/03/1993 | US5232468 Containing ammonium-based salt stabilizer |
| 08/03/1993 | US5231802 Drill and drill grinding method and apparatus |
| 07/21/1993 | CN2138543Y Improved structure wheel knife sharpener |
| 07/13/1993 | CA1320064C Dental curet and sharpening machine system |
| 06/30/1993 | CN2137191Y Sand mill |
| 06/29/1993 | US5222330 Fixture for holding circular cutting tool during its sharpening |
| 06/29/1993 | CA1319514C Knife sharpener |
| 06/24/1993 | DE4141900A1 Hollow rake face grinding process for sharpening saw teeth - involves grinding with wheel offset first to one side and then the other with direction of wheel rotation reversed between two stages |
| 06/23/1993 | CN2136711Y Electric minisize grinder |
| 06/15/1993 | US5218787 Apparatus for sharpening implements |
| 06/09/1993 | EP0544936A1 Drill sharpening device powered by portable drilling machine |
| 06/08/1993 | US5217424 Method and apparatus for automatically exchanging knives of wood flaking machines |
| 06/08/1993 | US5216841 Sharpening device for the blades of a cross-cutting roller |
| 06/03/1993 | DE4240053A1 Circumferential and bevel grinding process for indexing cutter inserts - has straight cylindrical grinding and insert is clamped and rotated on axis using periphery of wheel to grind surface |
| 06/02/1993 | EP0543890A1 Abrading device |
| 06/02/1993 | CN1021030C Combined sleeve used for grinding glass screen of kinescope and its manufacturing method |
| 05/19/1993 | CN2133405Y Special grinding machine for putty trowel |
| 05/18/1993 | US5210977 Drill grinding device |
| 05/11/1993 | US5209150 Sharpening device for cold cuts cutting machines |
| 05/11/1993 | US5209022 Edge sharpening or surface abrading apparatus |