Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7251974 | Method and forming machine for deforming a hollow workpiece The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, ... | 08/07/2007 |
| 7219520 | Method and forming machine for working a workpiece An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ... | 05/22/2007 |
| 7174759 | Forming machine and method for deforming a hollow workpiece The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work... | 02/13/2007 |
| 7152445 | Method and forming machine for working a workpiece The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, th... | 12/26/2006 |
| 7150173 | Upper and lower tools for deep rolling The present invention includes a plurality of substantially similar deep rolling tools that are positionable radially about a workpiece. The plurality of tools is preferably oriented in a substantially coplanar fashion. At least one of the tools is movable relative ... | 12/19/2006 |
| 7131304 | Spinning method and apparatus A spinning method which makes it possible to control the pressing force of a roller tool with satisfactorily high responsiveness and have the roller tool press work following the contour of a forming die even if the die may have its radial length vary at a high spee... | 11/07/2006 |
| 6959479 | Method of manufacturing a hollow shaft having a flange at one end thereof A method is required in which a plate-like flange member may be firmly secured at the front end of a hollow shaft member through a plastic working treatment by virtue of caulking combination, so as to manufacture a hollow shaft having a flange at one end thereof. In... | 11/01/2005 |
| 6950726 | Method and device for numerical control return to origin of a master and slave shaft A numerical control apparatus for controlling a machine having two moving shafts placed in parallel and separate servomotors 6 and 10 for driving one of the shafts as a master shaft and the other as a slave shaft in the same direction and performing re... | 09/27/2005 |
| 6907762 | Method and forming machine for deforming a hollow workpiece The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated a... | 06/21/2005 |
| 5960661 | Apparatus for working a workpiece An apparatus for working a workpiece comprises a drive unit for rotating a forming tool about an axis of rotation, a forming roller for working said workpiece, means for moving the forming roller in an x-direction and a y-direction with respect to said dr... | 10/05/1999 |
| 5901595 | Apparatus for machining a workpiece An apparatus for machining a workpiece comprises means for clamping the workpiece, means for rotatingly driving the clamped workpiece, a tool for machining the workpiece, the tool having a part for engaging the workpiece, a tool holder, means for moving t... | 05/11/1999 |
| 5810526 | Lubricant application apparatus in a gravure engraving machine Apparatus for and method of automatically applying a lubricant to a gravure cylinder set in an gravure engraving machine. With a rotational drive mechanism of the gravure engraving machine biased to cause the gravure cylinder to be under rotation, a lubri... | 09/22/1998 |
| 5775151 | Method and apparatus for spinning a metal sheet To spin a metal sheet around a chuck for forming a product, in a teaching phase involving force control, a product is formed on the chuck by rotating the chuck about the axis of rotation and by moving a forming roller one or several times alongside the ch... | 07/07/1998 |
| 5758532 | Method and apparatus for making a product by spinning Method and apparatus for spinning a product, wherein a metal plate which may be preshaped or not, is deformed on a rotating chuck by a forming roller into a hollow product with a wall thickness. The shape of the chuck is determined and is stored in a memo... | 06/02/1998 |
| 5426964 | Method & apparatus for shaping a sheet blank A method and an apparatus for cold-forming a sheet blank (2') made of a material with an exponential stress-strain behavior to become a thin-walled, hollow shell (2). The sheet blank (2') is clamped in a clamping means (3) with its circumference and rotat... | 06/27/1995 |
| 5355705 | Process for controlling the revolving path motions of the spinning roller of a spinning lathe, and spinning lathe for performing the process A process is disclosed for controlling the revolutions of the spinning roller (29) of a spinning lathe (10). The coordinate driving units (52,53), which are designed as valve controlled (49,51) hydrocylinders (42,47), are operated according to a playback ... | 10/18/1994 |
| 4976126 | Spinning machine A spinning machine has a mold fixedly mounted on a spindle and a forming roller adapted to move in a predetermined manner so as to be pressed against the material to be formed mounted on the spinning mold. By moving the forming roller in a controlled mann... | 12/11/1990 |
| 4870845 | Working apparatus for crankshaft A working apparatus for working a crankshaft having a journal portion and a crank pin includes first and second follow-up mechanisms. The first follow-up mechanism has first and second support members for rotatably clamping the journal portions therebetwe... | 10/03/1989 |
| 4782680 | Method for rolling a shaft or tenon having cross-bored holes The milling of work pieces having at least one bore in the surface to be milled by roller action, is performed by controlling the size of the force applied to the work piece surface in accordance with the rotation of the work piece and in accordance with ... | 11/08/1988 |
| 4561276 | Method of deep-rolling crankshafts Method of deep-rolling of crankshaft pins by applying different rolling forces over a rotational angle (phi) of 360°, such as to produce in each angular position a constant enlargement of the angle (alpha) subtended by the mirror faces i.e. the faces con... | 12/31/1985 |
| 4559798 | Fillet rolling machine A fillet rolling machine having a frame, on which a work spindle with a chuck is carried for rotation about a horizontal axis. A tailstock is mounted on the frame for supporting one end of a crankshaft to be processed while the same is grasped and rotated... | 12/24/1985 |
| 4539831 | Method for setting the stroke of movable rolling units, and crankshaft rolling machine for implementing said method A crankshaft rolling machine includes a pair of model crankshafts mounted for synchronous rotation. One or more crankshaft rolling units are coupled to the model crankshafts in a manner enabling adjustment of the units along a linear path to adapt the dev... | 09/10/1985 |
| 4388818 | Method and apparatus for fabricating precision teeth An approximately shaped or formed gear is fabricated in any desired way and is then corrected by means of substantially ring-shaped rolls or rolling tools performing striking or hammering operations in the tooth gaps of such gear. The rolls rotate in a pl... | 06/21/1983 |
| 4118846 | Burnishing attachment A burnishing attachment includes a carriage mounted for traversing movement in a path that extends along the workpiece. A non-rotary burnishing tool is mounted on said carriage for movement perpendicular to the carriage path. The tool is urged toward the ... | 10/10/1978 |
| 4059977 | Method of producing hermetically sealed end in a tubular workpiece A method of producing a hermetically sealed, preferably sphere-shaped end in a tubular workpiece, residing, according to the invention, in that an end of a tubular workpiece is heated to a forging temperature and is then reduced until a portion is obtaine... | 11/29/1977 |
| 4036044 | Process for forming metal pipes to a desired shape A process for forming metal pipes to a desired shape comprising fitting a metal pipe onto a model having same profile as the one desired to form, fixing the pipe thereon, arranging a plurality of metal rollers at same distance and around the metal pipe in... | 07/19/1977 |
| 3998083 | Straightening apparatus Straightening apparatus with means for rotating an elongate work element and advancing the same along its longitudinal axis. A bending station is provided in the apparatus which bends the rotating work element when such is advanced therethrough. The bendi... | 12/21/1976 |