| Patents for B24B 23 - Portable grinding machines, e.g. hand-guided; Accessories therefor (6,273) |
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| 10/04/1990 | DE3910581A1 Cold-gas working device |
| 09/26/1990 | CN2062671U High-speed internal grinding head of static and dynamic pressure bearing |
| 09/19/1990 | EP0387410A1 Cover for pneumatic tool |
| 09/18/1990 | USRE33335 Device for attaching a tool |
| 09/13/1990 | CA2002548A1 Cover for pneumatic tool |
| 09/11/1990 | US4955165 Pipe tapering device |
| 09/11/1990 | US4955162 Portable gem faceting kit |
| 09/07/1990 | WO1990009869A1 Eccentric grinding machine |
| 09/05/1990 | CN2061501U Multifunctional movable grinding or polishing machine |
| 08/22/1990 | CN2060715U Rust removing, rasping and buffing machine without dust |
| 08/08/1990 | EP0380974A2 Adaptator for the clamping of a supplementary tool |
| 07/05/1990 | DE3844359A1 Belt grinder |
| 07/05/1990 | DE3844358A1 Belt grinder |
| 07/03/1990 | US4938201 Saw for cutting uncured concrete |
| 06/28/1990 | DE3843515A1 Portable orbital sander (oscillating grinder, superfinish device) |
| 06/26/1990 | US4936394 Vibroisolating handle joint structure for power tool |
| 06/19/1990 | US4934109 Method and apparatus for grinding the edge of a pipe |
| 06/14/1990 | WO1990006210A1 Hand tool with a multipart, manually operated quick-change clamping device |
| 06/13/1990 | EP0372376A2 Oscillating device |
| 06/13/1990 | DE3841181A1 Handwerkzeugmaschine mit einer mehrteiligen handbetaetigbaren schnellspanneinrichtung Hand tool with a multi-part hand-operated quick-release device |
| 06/12/1990 | US4932164 Counterbalance safety guard for a dual action sander |
| 06/12/1990 | US4932163 Dust control system for an abrasive grinder |
| 06/05/1990 | US4930267 Sanding rasp |
| 05/29/1990 | US4928662 Skid plate for cutting unhardened concrete |
| 05/15/1990 | US4924636 Orbital rubbing machine with improved spindle locking member |
| 05/15/1990 | US4924635 Portable grinder with adjustable protective hood |
| 05/15/1990 | US4924578 Adaptor to convert a screw gun to a rotary cutter |
| 05/09/1990 | CN2056887U Apparatus for grinding slideway of self guiding machine tool |
| 05/08/1990 | US4922663 Sandpaper clamp mechanism for orbital finishing sander |
| 05/02/1990 | CN2056624U Electric nail clippers |
| 05/01/1990 | US4920702 Portable grinder |
| 04/24/1990 | US4918868 Eccentric grinder |
| 04/19/1990 | DE3933885A1 Electrically driven grinding tool - has two motors which impart two oscillating motions to grinding head |
| 04/18/1990 | EP0364282A2 Back-up pad with drive adapter and offset passageways |
| 03/29/1990 | DE3832742A1 Hand-held apparatus for grinding, polishing, derusting or similar working of surfaces |
| 03/22/1990 | DE3929733A1 Deburring and chamfering machine - has mounting bores of different dia. for holder and tool drive unit |
| 03/22/1990 | DE3844617A1 Power tool with a combined device for braking to standstill and for clamping the tool |
| 03/08/1990 | DE3828954A1 Device for the stationary braking of an electric power tool fitted with an angular gear |
| 03/06/1990 | US4905772 Rotary power tool with vibration damping |
| 03/06/1990 | US4905421 Disk grinding (sanding) machine |
| 02/28/1990 | CN1039989A Surface treatment and apparatus for grinding locomotive engine commutator using abrasive band |
| 02/20/1990 | US4901479 Portable hand machine tool, particularly angle gringer |
| 02/14/1990 | CN2052700U Multi-purpose portable sand grinder |
| 02/13/1990 | US4899414 Polished surface protective sleeve for covering the electrical cord of a car wax polishing and buffing machine |
| 02/08/1990 | DE3826610A1 Device for detachably fixing a disc-shaped tool to the work spindle of an electric tool |
| 01/30/1990 | US4896462 Mechanism for belt sanders |
| 01/25/1990 | WO1990000463A1 Device for axially clamping a tool, in particular a grinding wheel |
| 01/18/1990 | DE3823958A1 Stand for a machine tool |
| 01/18/1990 | DE3823835A1 Machining apparatus |
| 01/16/1990 | US4893436 Felted foam back up pad |
| 01/11/1990 | DE3823392A1 Portable belt-grinding apparatus |
| 01/11/1990 | DE3823391A1 Portable belt-grinding apparatus |
| 01/09/1990 | US4891915 Disk grinder |
| 12/26/1989 | US4889675 Method for cutting unhardened concrete with a soft concrete saw |
| 12/06/1989 | CN2048811U Ring sand band abrader |
| 11/23/1989 | DE3824040C1 Clamping device for axially clamping a tool, in particular a disk |
| 11/23/1989 | DE3817347A1 Operating device for hand-guided grinding apparatuses |
| 11/15/1989 | EP0341242A1 Eccentric grinder. |
| 11/14/1989 | US4879847 Cover for pneumatic tool |
| 11/07/1989 | US4878317 Power sander |
| 11/02/1989 | EP0339027A1 Clamping device for releasably holding a tool, in particular a disk. |
| 11/02/1989 | DE3844360C1 Portable belt-grinding machine |
| 10/26/1989 | DE3811197A1 Adaptor device for a machine tool guided by hand |
| 10/19/1989 | DE3811026A1 Adaptor for clamping a hand-held working machine |
| 10/05/1989 | WO1989009114A1 Eccentric grinding machine |
| 10/03/1989 | US4870730 Tool mounting construction |
| 09/27/1989 | EP0333933A1 Sanding apparatus |
| 09/27/1989 | EP0333731A1 Portable hand tool, in particular angled grinding machine |
| 09/26/1989 | US4869026 Sander |
| 09/07/1989 | DE3903215A1 An einer elektrischen handhobelmaschine oder handschleifmaschine zu montierende fuehrungsvorrichtung On an electric hand planer or hand sanding to mount guiding device |
| 09/07/1989 | DE3805926A1 Hand-held unit with oscillating tool movement |
| 08/29/1989 | CA1258772A1 Glass scratch removal apparatus and method |
| 08/24/1989 | DE3804514A1 Device for grinding and/or polishing window panes |
| 08/22/1989 | US4858390 Belt grinder attachment for powered rotary tools |
| 08/16/1989 | CN2042772U Rust removing polishing machine |
| 08/08/1989 | US4854088 In-track rail base grinding method |
| 08/08/1989 | US4854085 Random orbital sander |
| 08/02/1989 | EP0244465B1 Portable grinder |
| 07/18/1989 | US4848037 Drywall sander mount |
| 07/11/1989 | US4847721 Safety device for a tool powered by an electric motor |
| 07/11/1989 | US4845898 Orbital sander |
| 07/06/1989 | DE3831860A1 Arrangement for torque-dependent control of the compressed air supply in compressed air machine tools |
| 07/05/1989 | EP0322626A2 Power grinder with an adjustable protecting hood |
| 07/04/1989 | US4844967 Back up pad with drive adapter and offset passageways |
| 06/22/1989 | DE3741536A1 Brake device for braking rotating machine elements, such as the rotor of a manual angle grinder |
| 06/21/1989 | EP0320599A1 Eccentric disk-grinder |
| 06/20/1989 | US4839995 Abrading tool |
| 06/14/1989 | EP0319813A2 Hand power tool using automatic locking of the working spindle |
| 06/13/1989 | US4837981 Power operated sanding machine |
| 06/13/1989 | CA1255506A1 Automated railway track maintenance system |
| 05/16/1989 | US4829719 Vibrating pole for moving a pad on a working surface |
| 04/25/1989 | US4823514 Air grinder motor vibrating sanding accessory for auto body work and the like |
| 04/12/1989 | CN2035683U Noise controlling device for pneumatic grinding wheel |
| 04/11/1989 | US4819524 Screw installation plate for use in a fuel assembly repair and reconstitution system |
| 03/30/1989 | DE3826017A1 Vorrichtung zum spannen von scheibenfoermigen werkzeugen an einer handwerkzeugmaschine Apparatus for clamping of tools scheibenfoermigen on a hand machine tools |
| 03/09/1989 | DE3728279A1 Motor-driven electric tool |
| 02/22/1989 | EP0303955A1 Portable sander |
| 02/22/1989 | CN2032924U Hand abrader for abrasive belt |
| 02/21/1989 | US4805349 Sander paint scraper |
| 02/07/1989 | US4802310 Sander attachment |