...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 8061237 | Manufacturing razor blades A method of manufacturing razor blades from a strip material includes reducing the thickness of a lengthwise-extending blade edge region of the strip material. ... | 11/22/2011 |
| 7490533 | Method for making a form-fitting connection between a tool insert and a tool holder of a rotating tool Method for making a form-fitting connection between a tool insert and a tool holder of a rotatingly driven tool, wherein the tool holder has bearing surfaces by which forces or torques are transmitted to the tool insert, wherein the tool insert is made from a materi... | 02/17/2009 |
| 7373857 | Composite metal article and method of making A composite metal article from two dissimilar metals is prepared. A metal base is comprised of a first metal and having first and second opposing surfaces and a least one longitudinally-positioned depression in each of the first and second opposing surfaces for rece... | 05/20/2008 |
| 7360568 | Tire having narrowing sipes A tire having sipes is provided. The tire includes a circumferential tread configured with at least one rib bound by at least one groove. The rib has a plurality of sipes that extend from the groove into the rib wherein one or more of the sipes narrow in a direction... | 04/22/2008 |
| 7350518 | Blade ring saw blade A flat-sided annular blade for a blade ring saw for cutting hard material such as tile along straight paths and curved paths in which the workpiece is moved through the central portion of the blade. In addition to the usual sintered abrasive diamond coating on the o... | 04/01/2008 |
| 7340835 | Hot dog slicer A housing with at least one elongate chamber for a hot dog, a series of transverse blades for slicing the hot dog laterally into a number of disc sections, and at least one longitudinal blade for slicing the hot dog lengthwise, for example into quarters. The housing... | 03/11/2008 |
| 7258044 | Apparatus and process for cutting of extruded material A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ... | 08/21/2007 |
| 7255320 | Mold for a plastic filter A mold, for molding a cylindrical filter having a narrow-pitched mesh structure through resin injection molding, has a cavity divided into sections radially freely attachable/detachable. The sections of the cavity being formed as stacked assemblies bodies each havin... | 08/14/2007 |
| 7214009 | Drilling tool A drilling tool consisting of a drill shank having a drill point and of a transition section which adjoins the drill shank in the axial direction and which merges into a clamping shank, the transition section being heat-treated in such a way that it has higher bendi... | 05/08/2007 |
| 7181993 | Apparatus and process for cutting of extruded material A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ... | 02/27/2007 |
| 7131175 | Extraction tool for extracting spiral threaded inserts and use of the extraction tool An extraction tool (20) for extracting spiral threaded inserts includes an elongated basic body (23, . . . , 26), on the one end of which an extracting tip (28) narrowing toward the front and intended for being inserted with a cutting action int... | 11/07/2006 |
| 7118312 | Double-sided indexable cutting insert and method of manufacture A double-sided indexable cutting insert includes a top side and a bottom side interconnected by an edge surface. A plurality of upper major cutting edges are formed at a transition between the top side and the edge surface, and a plurality of lower major cutting edg... | 10/10/2006 |
| 7086310 | Non-slip bottle opener A non slip bottle cap opener (100) for installing onto a key ring or key chain with other keys is formed with the approximate length and thickness of a standard key to allow it to be comfortably carried on the key ring or chain like an ordinary key. The opene... | 08/08/2006 |
| 7077883 | Pre-alloyed bond powders The present invention relates to a pre-alloyed powder and its use as a bond powder in the manufacture of powder metallurgy parts and of diamond tools in particular. A pre-alloyed powder is disclosed, based on the iron-copper dual phase system, additionally containin... | 07/18/2006 |
| 7073986 | Dimpled insert with retaining clamp A wear insert for a tool holder includes a top surface and a bottom surface with a dimple disposed in the top surface. A boss is disposed within the dimple. The tool holder for releasably securing the wear insert has a tool holder body including an insert-receiving ... | 07/11/2006 |
| 6973855 | Method for manufacturing hair clipper blade A method for manufacturing a hair clipper blade includes providing a blank with a comb teeth shaped cutting edge portion, and forging the cutting edge portion to have an acute tip angle. ... | 12/13/2005 |
| 6969015 | Particulate sauce dispensing nozzle Embodiments of the present invention are directed to a dispensing nozzle for dispensing a sauce containing particulates which is configured to reduce clogging of the nozzle by the particulates. In one embodiment, a dispensing nozzle comprises a nozzle body having a ... | 11/29/2005 |
| 6929427 | Cutting insert and milling cutter A milling cutter has a cutter body having insert pockets, with cutting inserts seated in the insert pockets. Each insert pocket has adjacent side and rear walls generally transverse to a base, the side wall being provided with two spaced apart generally flat and non... | 08/16/2005 |
| 6861161 | Composite tool A composite tool comprising a supporting part of a metallic material having a first composition and a working part of a metallic material having a second composition which is different from the first composition, a process for the manufacture thereof and a method of... | 03/01/2005 |
| 6772765 | Surgical instrument constructed by electric discharge machining A microsurgical instrument is constructed to an extremely small scale with serrations formed on opposed operative microsurgical surfaces of the instrument by electric discharge machining. ... | 08/10/2004 |
| 6565991 | Composite doctor blade and its method of manufacture A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed ste... | 05/20/2003 |
| 6490950 | Process of making a set of distinguishable robertson driver bits A set of driver bits for Robertson screw fasteners includes driver bits (10a-d) whose shaft bodies (12a-d) have distinctive markings thereon corresponding to respective sizes of working tips (14a-d) of the driver bits. These distinctive markings are consi... | 12/10/2002 |
| 6461940 | Dicing blade and method of producing an electronic component A dicing blade is disclosed which is capable of precisely cutting an object at a high speed without causing significant deposition of swarf upon a cut surface even when the object being cut has a large thickness. The dicing blade includes a ring-shaped cu... | 10/08/2002 |
| 6427555 | Method of making drill-chuck jaw with hard-metal inserts A drill-chuck jaw is made by first forming an elongated metal body with a toothed back face and a front face, then machining a longitudinally extending groove having sides and a floor in the front face, and forming inwardly projecting and longitudinally s... | 08/06/2002 |
| 6423427 | Composite doctor blade and its method of manufacture A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed ste... | 07/23/2002 |
| 6345444 | Hand held apparatus for transverse cutting of a not easily accessible pipe A hand-held apparatus for cutting transversely a pipe using a slitter co-operating with rollers to produce a deepening cut, is formed of two half-shells mounted opposite around the pipe with adjustable clamping elements one at least supporting a slitter o... | 02/12/2002 |
| 6318212 | Method for making blanks for parts of pliers The method consists in cutting out the outlines (11) of a series of blanks in lengths of shaping sections (10) of variable thickness whereof the cross-section corresponds at least to one cross-section of the blanks. The invention is useful for making clam... | 11/20/2001 |
| 6269714 | Cutter knife for thermoplastic resin pelletizer and production method of said cutter knife To provide a way to use a ceramic alloy as a material for producing a cutter knife to be mounted on a thermoplastic resin pelletizer easily, with reduced costs, and also eliminating the possibility of breakage.... | 08/07/2001 |
| 6264453 | Article and method for composite tire mold blades A composite blade (10, 10A through 10F) for use in a tire cure mold and the method of fabricating the composite blade employs the steps of forming a blade blank (12) and encapsulating at least one end (14, 16) in a second material by placing the end (14, ... | 07/24/2001 |
| 6223635 | Method of forming annular grooves in a ball polishing apparatus A ball polishing method includes the steps of rotating one of two plates through use of a rotating mechanism while balls are sandwiched between the plates, pressing one of the two plates against the other plate via a guide slide mechanism for guiding one ... | 05/01/2001 |
| 6182533 | Method of making a drill blank A method of making a drill blank which is elongate and which has a vein of a bonding material located in an end surface thereof. A recess is formed in a surface of a cemented carbide body. Either a layer of ultra-hard abrasive or a mass of ultra-hard abra... | 02/06/2001 |
| 6174115 | Spindle for machine tools A machine tool spindle (1) having a through hole capable of housing a collect (30) which grips a tool holder (31) and a draw bar (27) to which the collect (30) is attached, and a tapered inner surface which holds the tool holder; the spindle being made of... | 01/16/2001 |
| 6055886 | Drill blank A drill blank, particularly a blank for a micro-drill, comprises an elongate cylindrical cemented carbide body, having flat end surfaces, a recess formed in one end surface and taking the form of an island in that surface wholly surrounded by cemented car... | 05/02/2000 |
| 6001105 | Acetabular reamer cup and method of producing the same A method for making an acetabular reamer for an acetabular reamer comprising the steps of: fabricating a bowl shaped cup-blank having outer and inner bowl shaped surfaces, perforating a plurality of holes through the cup-blank, the holes each are surround... | 12/14/1999 |
| 5868606 | Method of manufacturing a copying cutter The present invention relates to a copying cutter provided with a cylindrical or conical body having a spherical end, constituting the active portion of the cutter, said end including a plurality of flutes inclined at a determined angle θ relative to the... | 02/09/1999 |
| 5845547 | Tool having a tungsten carbide insert An excavating tool has a tungsten carbide insert which is more wear resistant and not subject to breakage because of being too brittle. The insert has a semispherical tip, a divergent midsection and a base with a conical rear surface. The insert is made w... | 12/08/1998 |
| 5829116 | Method of treating a metal surface and for manufacturing a culinary article A method of treating a metal surface is disclosed wherein a series of microcavities is formed on the surface and a coating is applied to at least part of the surface. The surface is shot blasted using small balls projected against the surface. Application... | 11/03/1998 |
| 5807032 | Rotary cutting tool and method of manufacturing the same An insert made of an ultra-high-pressure sintered compact and including no base metal or support layer is brazed to a tool body under vacuum by use of a Ti-containing activated silver brazing filler metal. This method permits the insert to be securely fix... | 09/15/1998 |
| 5762453 | Cutting insert and method of manufacturing the cutting insert A cutting insert wherein cutting edges are formed on a pair of ridge portions of an upper surface and a pair of ridge portions on a lower surface in a staggered position relative to the ridge portions of the upper surface in a direction along the peripher... | 06/09/1998 |
| 5740690 | Method for stretcher leveling metal with a gripping element The present invention is an element for gripping metal to be stretched by a stretcher leveler apparatus. The gripping element includes a first and preferably a second high density cast polyurethane gripping pad adapted for engagement with the metal to be ... | 04/21/1998 |