Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8182316 | Oscillatingly driven machine tool The invention discloses an oscillatingly driven machine tool, having an oscillatory drive for driving a drive shaft about its longitudinal axis, having a flange provided on the drive shaft against which an oscillatory tool can be clamped by spring force via a counte... | 05/22/2012 |
| D653922 | Oscillatory drive | 02/14/2012 |
| 8100197 | Method and device for the production of bores A method and a device for the production of a bore with a special shape, for example a bore which deviates from a cylindrical shape or a bore with an undercut. First, a first bore portion is produced using an oscillatingly driven tool, the first bore portion having ... | 01/24/2012 |
| 8099869 | Device and method for severing a bead of adhesive of a motor vehicle window pane A device and a method are disclosed for severing a bead of adhesive of a motor vehicle window pane. A cutting wire is firstly introduced into a gap between the window pane and the body flange, the cutting wire then being guided around the bead of adhesive, one first... | 01/24/2012 |
| D643700 | Oscillating power tool | 08/23/2011 |
| 7997586 | Oscillatory drive The invention relates to an oscillatory drive having an output shaft that can be driven to perform a rotationally oscillating movement about its longitudinal axis and that comprises a free end, a holding fixture at the free end of the output shaft comprising a conta... | 08/16/2011 |
| 7743804 | Method and device for producing slots in workpieces A method and a device for producing slots in workpieces are disclosed. An oscillatory drive is provided, on the output shaft of which a saw blade is accommodated by one end, and at the other end of which a cutting edge is provided. The oscillatory drive is positione... | 06/29/2010 |
| 7695352 | Tool-mounting attachment The invention discloses a tool having a work plate which has a mounting area with a mounting opening for mounting the plate on a drive shaft of a drive, preferably an oscillatory drive, the mounting opening being suitably configured for being seated on the drive sha... | 04/13/2010 |
| 7658237 | Power tool having mode controller The invention discloses a power tool having a motor adapted to drive a tool, comprising at least one switching element, coupled with a controller, for actuation of the motor, the controller being configured so that the motor can be switched on for driving the tool o... | 02/09/2010 |
| D602756 | Oscillating tool | 10/27/2009 |
| 7520702 | Drilling machine A drilling machine comprises a stand on which a carriage is guided and can be moved by a drive supported on the stand and engagable with the carriage for generating feed motion of the carriage along the guide. A drilling unit on the carriage includes a motor-driven ... | 04/21/2009 |
| 7507925 | Power tool A power tool is disclosed which comprises a hosing within which a motor is received for driving a tool. At least one switch is received on said housing and can be operated via an elastic touch surface from outside the housing. The switch is part of a signaling circu... | 03/24/2009 |
| 7494011 | Portable box A portable box is disclosed which is particularly suited for storing and carrying power tools. The box comprises a main handle and preferably two side handles arranged at side surfaces of the box. The main handle is arranged pivotably between a first erected positio... | 02/24/2009 |
| 7467700 | Power tool with clutch The invention discloses a power tool comprising a clutch having a first clutch element and a second clutch element which are seated for rotation one relative to the other and between which a torque can be transmitted. The clutch comprises an actuating element engagi... | 12/23/2008 |
| 7427842 | Series motor and method of controlling the same A circuit for a series motor for a power tool is disclosed, wherein reliable switching is achieved by means of two electronic switches, without the use of a mechanically disconnecting switch. To this end, two electronic switches, preferably triacs, are preferably co... | 09/23/2008 |
| D567046 | Oscillating tool | 04/22/2008 |
| 7344435 | Hand-held power tool with clamping device for a tool A hand-held power tool (10) is specified, comprising a work spindle (12) for driving a tool (68), said tool (68) being fastenable between a fastening element (38) and a holding portion (36) on a tool end of the work spindle ... | 03/18/2008 |
| D559639 | Oscillating tool | 01/15/2008 |
| 7318485 | Method of Controlling the direction of rotation of a power tool The invention discloses a power tool for screwing or drilling having a motor for driving a drive shaft, a controller for controlling the power tool, a motor switch for switching the motor on and off, switch for reversing the power tool between clockwise and counter-... | 01/15/2008 |
| 7274866 | Power tool and method for controlling a power tool A power tool is disclosed comprising a controller for controlling at least one operating parameter, a motor for driving a tool, at least three switching elements which are coupled to the controller, and a speed sensor for monitoring the speed of the motor to generat... | 09/25/2007 |
| 7256520 | Power tool with a self-supporting motor A power tool comprising an electric motor for driving a tool is disclosed. The electric motor comprises a shaft, an armature, and a brush collector. The stator is configured as a self-supporting unit comprising first and second supporting parts. One of the supportin... | 08/14/2007 |
| 7234536 | Power screwdriver A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic control unit for controlling the drive, and a sensor which is couple... | 06/26/2007 |