In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7934409 | Metal structure defining circular flanged hole and method for making the same An exemplary metal structure (10, 30) includes a base portion (14, 34), a flange (122, 322), and an edge portion (1241, 3241). The base portion defines a circular flanged hole (12, 32). The flange extends from a top surface of the ... | 05/03/2011 |
| 7415858 | Grindless surgical needle manufacture Surgical needles are produced by immersing a needle possessing a distal end surrounded at least in part by flash material and a body portion in an acid bath according to a predetermined sequence, wherein the distal end of the needle is exposed to the acid bath under... | 08/26/2008 |
| 7350391 | Method for manufacturing clutch housing A method for manufacturing a clutch housing comprises: a first step of forming a work into a pre-product having a shaft portion and an outer drum portion enclosing the shaft portion integrally with the shaft portion; a second step of subjecting the pre-product to pr... | 04/01/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7325432 | Method for manufacturing fuel cell metallic separator A metallic separator according to a first embodiment is formed by obtaining a blank by rolling a metallic material having conductive inclusions, and removing a surface of the blank by 2% or more of the thickness of the blank. A metallic separator according to a seco... | 02/05/2008 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7270504 | Cutting tool for metal working as well as method in the production of cutting tools A cutting tool and a method for the production of cutting tools for metalworking characterized in that the holder body of the tool first is submitted to a surface hardening that results in the formation of compressive stresses in the surface and then submitted to a ... | 09/18/2007 |
| 7266984 | Method and nozzle arrangement for a variable-width lubrication of the rolling-nip of a rolling stand The invention relates to a method for lubricating rolls, in particular for lubricating a rolling nip in rolling stands for rolled strips. According to the invention, said lubrication takes place using an oil-in-water dispersion whilst maintaining both a predetermine... | 09/11/2007 |
| 7251979 | Method of producing forged part and method of producing suspension arm for automotive vehicles A method of producing a forged part includes holding a material by a jig, upsetting the material, held by the jig, to a predetermined length by a pair of upsetting dies disposed on both ends of the material, while pressing the upsetting dies on the material, so as t... | 08/07/2007 |
| 7250007 | Wood type golf club head A golf club head includes a striking plate, a golf club head body and a plurality of annular flexible portions. In assembling, the striking plate mechanically connects to a front side of the golf club head body. The golf club head body forms a crown portion, a sole ... | 07/31/2007 |
| 7243576 | Method for manufacturing an inner cutter of a reciprocating electric shaver and an inner cutter of a reciprocating electric shaver A method for manufacturing an inner cutter for a reciprocating electric shaver, including the steps of: press-stamping a thin metal plate to obtain a thin metal plate element that has an outer contour of an unfolded inner cutter and elongated openings that extend su... | 07/17/2007 |
| 7237423 | Apparatus for stretch forming blanks A blank is stretch formed into a formed piece by bending the blank over a stationary punch. A draw ring has a step that cooperates with a pad ledge to create a step-ledge. The blank is bent with a reverse bend at the step-ledge. Subsequently, the step-ledge travels ... | 07/03/2007 |
| 7219524 | Method for manufacturing high-pressure piping part and structure thereof A high-pressure piping part includes a body structure forged in a closed space. The body structure is formed to include a main body portion formed by forward extrusion and side arm portions formed by side extrusion. The main body portion has therein a fiber flow for... | 05/22/2007 |
| 7174763 | Hotformed hubs and method A method of manufacturing an irregularly shaped forging includes heating a billet to a predetermined temperature, placing the heated billet within the cavity of a die, advancing a punch into the cavity to begin to disperse the material into a plurality of radially e... | 02/13/2007 |
| 7168142 | Method of manufacturing a shaped titanium article A method of manufacturing a metallic blank into a shaped article useful as an enclosure for an implantable medical device is described. The method entails a plurality of steps in a particular order to obtain certain finish characteristics. Some of them are a surface... | 01/30/2007 |
| 7159434 | Method of manufacturing torsion bar for vehicle steering device and torsion bar A method of manufacturing a torsion bar includes a first shaping step of reducing a diameter of a round bar steel material according to cold drawing work so as to have a hardness including an inside through a surface layer of 320 or more to 450 or less by Vickers ha... | 01/09/2007 |
| 7155831 | Ceramic cutting tool A ceramic cutting tool (100) is for high speed cutting of light, thin and soft materials. The ceramic cutting tool includes an upper blade (10) and a lower blade (20) both made of ceramic material. The upper and lower blades therefore possess ex... | 01/02/2007 |
| 7125053 | Pre-expanded connector for expandable downhole tubulars A method and apparatus for providing an expandable threaded connection between segments of expandable tubulars. Threaded connections are machined into pre-expanded ends of tubulars. Once the threaded connections are machined into the pre-expanded ends, two joints of... | 10/24/2006 |
| 7117708 | Die set for press forming metal sheet and press forming method of metal sheet A die set for press forming a metal sheet is provided, which comprises: at least a punch; and a die, wherein a punch-die clearance CL2 corresponding to a site to be formed immediately after the initial stage of press forming and a punch-die clearance CL1 | 10/10/2006 |
| 7117710 | Reverse input blocking clutch and clutch device using the same A reverse input blocking clutch comprises, as main elements, an input member, an output member, a stationary member for constraining the revolutions, locking means, lock release means and torque transmission means. By forming the input member, the output member, the... | 10/10/2006 |
| 7111487 | Apparatus and method for forming curvature in sheet metal A curvature forming device has an upper member and a lower member. A clamping member is mounted on a spring within a recess in the upper member. An elongate deforming member is fixedly mounted in the same recess. The deforming member protrudes out of the recess more... | 09/26/2006 |
| 7080535 | Spring-loaded part extractors for heated forming tools A hot blow-forming apparatus includes opposed and complementary forming tools adapted for hot blow forming a surface of a heated sheet-metal workpiece against a forming surface of one of the tools. The tools are also adapted to close upon and grip a peripheral edge ... | 07/25/2006 |
| 7047786 | Method and apparatus for improving the fatigue life of components and structures Metal cold-working tooling and a method of employing such tooling. The tooling is used to produce deformation in a workpiece, to provide a selected beneficial residual stress profile in the workpiece, in order to provide high fatigue life structures in a minimum num... | 05/23/2006 |
| 7022032 | Golf club head and manufacturing method therefor A golf club head and manufacturing method. The method includes the steps of: selectively forming through holes on a surface of a golf club head; preparing carbon-fiber plates which are made of prepared carbon-fiber fabrics; providing a cushion channel between an out... | 04/04/2006 |
| 7022195 | Method of manufacturing inner blade for electric razor An inner cutter for a dry shaver is fabricated from a metal plate to have a plurality of blades each provided with cutting edges. The metal plate includes a plurality of parallel straight slits to leave an array of straight beams each defined between the adjacent on... | 04/04/2006 |
| 6978532 | Mower bed blade method A method of forming a durable mower bed blade is provided in which the grain of the metal is perpendicular to the longitudinal axis of the blade. The blade is formed in part by coining the blade on a hydraulic press which strengthens the cutting edge and other areas... | 12/27/2005 |
| 6973815 | Monolithic part and process for making the same The present invention provides a process for producing a monolithic product wherein a piece of stock is formed, then machined. The invention encompasses a monolithic product made by the process. ... | 12/13/2005 |
| 6955612 | Golf club head and manufacturing method therefor A manufacturing method for a golf club head. The method includes the steps of: casting a cast body provided with a recession thereon; cutting the cast body to form with at least one cut opening in the recession on the golf club head; adhering a carbon-fiber plate to... | 10/18/2005 |
| 6918729 | Method and device for trimming a book A method for trimming a single book having a front edge and two side edges includes transporting a book in a transport direction so that the front edge is parallel to the transport direction, cutting the front edge of the book using a first reciprocating knife when ... | 07/19/2005 |
| 6843088 | Raised surface features for hot blow-forming tooling Apparatus and method for hot blow-forming an article from a blank of sheet metal. Simultaneously, a surface of the blank of sheet metal is formed against a form tool body that partially defines a forming surface and against a form tool insert that also partially def... | 01/18/2005 |
| 6817099 | Threaded pipe connection and method An integral high strength threaded pipe connection formed on joints of plain-end pipe, and a method for manufacturing, wherein the ends of the joints are rough machined, swaged, and then finish machined, preferably but not necessarily, with only one chucking. ... | 11/16/2004 |
| 6802916 | Selectively cold worked hydraulic motor/pump shoe A method of manufacturing a wear resistant shoe (26) includes upsetting (46) one end portion (38) of cylindrical member to work harden that portion to a substantial depth, machining (48) the cylindrical member portion to finished dimensio... | 10/12/2004 |
| 6775888 | Forming system and process A system for forming workpieces, has at least one forming tool has at least one machining device with a local energy feed. The local feed is provided for machining the workpieces as a separate station within the forming system. ... | 08/17/2004 |
| 6733899 | Metal plate and method of shaping the same There are provided a step of forming a structure in which a first concave portion is formed in a predetermined portion on one surface of a metal plate and also a convex portion that protrudes from other surface of the metal plate is formed by formation of the first ... | 05/11/2004 |
| 6678574 | Method for producing suspension parts of aluminum alloy A method for producing suspension parts via preforming the workpiece by roll forming. The sectional area and length of the workpiece are calculated. In the former step, more than one orthogonal cross-section is acquired from the suspension part of aluminu... | 01/13/2004 |
| 6655026 | Production process for connecting rod for internal combustion engine Material for a connecting rod for an internal combustion engine is carburized and quenched, a carburized layer formed on the bearing portion is ground until the portion which exhibits the maximum compressive residual stress, and a shot-peening processing ... | 12/02/2003 |
| 6581430 | Method of making an eyewear frame A method of making an eyewear frame comprising the initial step of extruding an elongated billet of substantially rigid material having a top surface having predetermined convex cross-sectional initially as extruded curvature and a bottom surface having a... | 06/24/2003 |
| 6571595 | Method of forming a package for electronic parts A package for receiving electronic parts is formed with decreased stress and stress concentration to obtain a desired warp and flatness. In particular, according to a cutting protruding part process, a package is accommodated to have a recessed part forme... | 06/03/2003 |
| 6442990 | Method of manufacturing a plate-shaped member having a recess and press die for forming recesses A plate-shaped member having a recess useful for an electronic part and particularly for a heat dissipation plate for a semiconductor element, the inside and outside of which member are flat. The plate-shaped member has a recess defined by a bottom wall p... | 09/03/2002 |
| 6415498 | Process for making pin-type synchronizers A pin-type synchronizer core formed from a flat piece of steel material. An annular disc is formed into a core member with a U-shaped channel and pockets.... | 07/09/2002 |