| Patents for B24B 3 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (4,999) |
|---|
| 05/30/1989 | US4834303 Sharpening apparatus for forage harvester knives |
| 05/17/1989 | CN2037661U High-precision diamond cutting tool grinder with static liquid pressure |
| 05/16/1989 | US4830073 Planing tool for a woodworking machine |
| 05/16/1989 | US4829721 Honing apparatus for bun slicing machines |
| 05/10/1989 | EP0314840A1 Sharpening device |
| 05/02/1989 | US4826368 Twist drill |
| 05/02/1989 | US4825544 Scissors sharpener |
| 04/27/1989 | DE3827977C1 Machine for grinding the surfaces, running parallel to the running surfaces, of the steel edges of a ski |
| 04/26/1989 | EP0313344A2 Method of making a knife having a scalloped cutting edge |
| 04/18/1989 | US4821613 Method and apparatus for log saw blade sharpening |
| 04/18/1989 | US4821463 Drill bit sharpening apparatus |
| 04/18/1989 | US4821458 Combine blade sharpening apparatus |
| 04/13/1989 | DE3732057A1 Grinding device for a bell-shaped cutter of a scarfing machine |
| 04/11/1989 | US4819515 Method and apparatus for grinding saw teeth |
| 04/11/1989 | CA1252277A1 Razor blades |
| 04/06/1989 | DE3732058A1 Grinding device for a bell-shaped cutter of a scarfing machine |
| 04/04/1989 | US4817339 Process and device for grinding elongated objects |
| 04/04/1989 | US4817338 Grinding head for a machine for grinding helically grooved cutting tools |
| 03/22/1989 | EP0308276A2 Saw chain cutting edge configuration |
| 03/22/1989 | EP0308053A1 Machine for grinding mowing machine cylinder blades |
| 03/22/1989 | EP0307740A2 Device for sharpening paradental instruments |
| 03/22/1989 | CN2034501U Portable grinding machine for skates |
| 03/22/1989 | CN2034500U New tissue section knife grinding machine |
| 03/21/1989 | US4813188 Method of shaping workpieces especially forming undercut archimedean spirals |
| 03/14/1989 | US4811722 Process for sharpening cutting-off tools and cutting-off process |
| 03/09/1989 | DE3728867A1 Clamping device for clamping tools |
| 03/08/1989 | EP0306267A2 Dental curet and sharpening machine system |
| 03/07/1989 | US4809464 Method and apparatus for sharpening metal blades |
| 03/01/1989 | CN2033319U Knife-machine |
| 02/28/1989 | US4807401 Process and apparatus for providing cutting edges |
| 02/28/1989 | US4807399 Method and apparatus for sharpening a knife |
| 02/02/1989 | DE3723995A1 Apparatus for grinding |
| 01/25/1989 | EP0300677A2 Broach manufacturing method |
| 01/18/1989 | EP0299915A1 Method and apparatus for machining workpieces |
| 01/12/1989 | DE3721870A1 Grinding device for cutters for self-loading forage boxes |
| 01/04/1989 | CN1030041A Process and apparatus for providing cutting edges |
| 12/28/1988 | EP0296805A1 Drill grinding machines |
| 12/28/1988 | EP0296708A1 Method and apparatus for log saw blade sharpening |
| 12/21/1988 | EP0295586A1 Process and apparatus for providing cutting edges |
| 12/21/1988 | CN87212792U Apparatus for sharpening table knife |
| 12/07/1988 | EP0293941A1 Method for the sharpening of parting tools for parting off slices of rod- or blockshaped works, and cutting process |
| 12/01/1988 | WO1988009240A1 Cutting tool grinding machine |
| 11/29/1988 | US4787177 Toolholder for grinding flat tip of screwdriver into hollow ground shape |
| 11/29/1988 | US4787176 Drill bit sharpening apparatus |
| 11/29/1988 | CA1245454A1 Knife sharpener |
| 11/08/1988 | US4782633 Drill bit sharpening method |
| 11/03/1988 | WO1988008358A1 Appliance for sharpening cutting implements |
| 10/26/1988 | CN87214064U Multipurpose support for sharpening skates |
| 10/25/1988 | CA1243588A1 Cutting implement and method of making same |
| 10/25/1988 | CA1243487A1 Implement sharpening device |
| 10/12/1988 | EP0286266A1 Apparatus for sharpening edge tools |
| 09/27/1988 | US4773186 Portable polishing units for dental instruments |
| 09/20/1988 | CA1242076A1 Means for sharpening a studded rock drill crown |
| 09/13/1988 | US4769955 Fixture for holding a hole-cutting tool having cutting edges to be ground |
| 09/07/1988 | EP0281025A1 Device for grinding cutting tools with straight or helical groove |
| 08/09/1988 | US4762278 Combination lawn mower washer and sharpener |
| 08/09/1988 | US4762040 Blade sharpening and guide mechanism |
| 07/28/1988 | DE3736438A1 Grinding machine, in particular for grinding parts of scissors (shears) |
| 07/28/1988 | DE3701124A1 Arrangement for the rotary positioning of workpieces |
| 07/13/1988 | CN87213584U Domestic knife grinder |
| 07/12/1988 | US4756125 Skate blade sharpening device |
| 06/21/1988 | US4752304 Blade stropping apparatus |
| 05/24/1988 | US4746330 Rotating and sharpening blades without removing ground wheel |
| 05/18/1988 | EP0267240A1 Automatic ski tuning device. |
| 05/17/1988 | US4744178 For grinding a drill bit |
| 05/17/1988 | CA1236697A1 Apparatus for grinding twist drills |
| 05/10/1988 | US4742648 Drill sharpening tool |
| 05/10/1988 | CA1236306A1 Knife sharpener |
| 05/10/1988 | CA1236305A1 Saw chain sharpener |
| 04/26/1988 | US4739588 Method and apparatus for jointing rotatable cutter heads |
| 04/20/1988 | EP0263842A1 Sharpening apparatus |
| 04/20/1988 | CN87210191U Multifunctional miniature cutting-tool grinder |
| 04/14/1988 | DE3732710A1 Method and apparatus for grinding a button tool drilling head |
| 04/13/1988 | EP0263513A2 Drill grinder having drill holder including chucks for gripping shank and body of the drill |
| 04/13/1988 | CN86106743A Cement abrasive tools and the method of production thereof |
| 04/12/1988 | US4736544 Blade holder for sharpening lawnmower blades |
| 04/12/1988 | CA1234985A1 Device for sharpening circular knives |
| 03/30/1988 | CN87203336U Grinding apparatus for sickle |
| 03/24/1988 | DE3631147A1 Grinding device for disc-wheel choppers |
| 03/22/1988 | US4732064 Apparatus and method for sharpening edges of reciprocating blade |
| 03/16/1988 | CN87210056U Grinder for scissors |
| 03/15/1988 | CA1233988A1 Apparatus for grinding twist drills |
| 03/08/1988 | US4729191 Cutlery sharpening apparatus |
| 02/24/1988 | EP0256249A2 Device for sharpening drills |
| 02/11/1988 | DE3631037C1 Device for supporting and aligning hand tools during the sharpening thereof on a rotationally driveable grinding wheel |
| 02/09/1988 | US4723375 Device for sharpening knives |
| 02/02/1988 | US4722152 Method and apparatus for grinding the sliding surface of skates |
| 01/13/1988 | CN85102709B New technology of the variable k milling and grinding for gear hobs |
| 01/12/1988 | US4718198 Apparatus for grinding cutting edges of knives in tobacco cutting machines |
| 01/12/1988 | US4718197 Modular industrial blade grinding and honing machine |
| 01/06/1988 | CN87201317U Oil stone blade grinding maching |
| 01/05/1988 | US4716689 Methods and apparatus for knife and blade sharpening |
| 01/05/1988 | US4716688 Fixture for holding a hole-cutting tool having cutting edges to be ground |
| 12/30/1987 | CN87208572U Domestic multipurpose sharpener |
| 12/16/1987 | EP0249588A1 Grinding device for grinding scissors |
| 12/16/1987 | EP0249104A1 Method of grinding a twist drill |
| 12/15/1987 | CA1230229A1 Drill bit sharpening device |
| 12/12/1987 | CN86209667U Clamper for polishing machine |
| 12/08/1987 | CA1229985A1 Skate clamp |
| 12/05/1987 | CN86210390U Measuring tool for testing centreline and point angle symmetry of a drill |