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| Number | Title | Issue Date |
| 7992309 | Micromachined cutting blade formed from {211}-oriented silicon A cutting blade is disclosed fabricated of micromachined silicon. The cutting blade utilizes a monocrystalline silicon substrate having a {211} crystalline orientation to form one or more cutting edges that are defined by the intersection of {211} crystalline planes... | 08/09/2011 |
| 7963042 | Micro surgical cutting instruments The present invention relates to methods and apparatus for micro surgical blades, knives and assemblies. ... | 06/21/2011 |
| 7934319 | Pencil-sharpening device The present invention is directed to a pencil-sharpening device having a titanium chromium nitride coating disposed on the cutting blade of the device. The titanium chromium nitride coating is metallurgically bonded to the steel blade. The coated blade provides enha... | 05/03/2011 |
| 7913402 | Coating for cutting implements A cutting implement having a cutting blade and a coating is provided. The coating has titanium chromium nitride and provides the blade with a satin silver appearance. In some embodiments, the titanium chromium nitride coating has a thickness in a range between about... | 03/29/2011 |
| 7356898 | Surgical knife production method A method for producing a surgical knife of a very small size for use in ophthalmic surgery under a microscopic environment having a sharp edge without causing reflection of lights. The surgical knife comprises a handle, and a blade attached to the handle. The blade ... | 04/15/2008 |
| 7257899 | Composite circular slicer knife A substantially circular slicer knife is provided having an interior base portion made of a first material and an outer edge portion made of a second material. The outer edge portion is metallurgically bonded to the interior base portion. ... | 08/21/2007 |
| 7241872 | Secreted and transmembrane polypeptides and nucleic acids encoding the same The present invention is directed to novel polypeptides and to nucleic acid molecules encoding those polypeptides. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of ... | 07/10/2007 |
| 7222555 | Method of manufacturing a hacksaw A method for manufacturing a handsaw capable of cutting a glass bottle. The method includes cutting a steel strip to a predetermined length to form a handsaw substrate. A portion of the handsaw substrate, other than a cutter blade forming portion formed on at least ... | 05/29/2007 |
| 7207111 | Method of manufacturing an endodontic instrument Method for manufacturing endodontic instruments having either helical or non-helical flutes with hard surfaces and resilient cutting edges by either an EDM or ECM process, wherein material is removed from the instrument blank in the desired flute pattern. The EDM or... | 04/24/2007 |
| 7194933 | Composite circular slicer knife A substantially circular slicer knife is provided having an interior base portion made of a first material and an outer edge portion made of a second material. The outer edge portion is metallurgically bonded to the interior base portion. ... | 03/27/2007 |
| 7175812 | Automatic sampler and needle for the same The surface of a needle for collecting samples is coated with a coating material lower in chemical activity than a base metal of the needle. More specifically, the surface of the needle may be coated with a layer of gold or platinum. Alternatively, the surface of th... | 02/13/2007 |
| 7140113 | Ceramic blade and production method therefor A blade of ceramic material is treated to enhance the strength and sharpness of the cutting edge. In one embodiment, ceramic particles along at least one margin of an edge-forming face are fused, such as by a laser treatment. The edge mardin can have a hard ceramic ... | 11/28/2006 |
| 7124511 | Razor blade A razor blade is provided, which achieves improved safety in use and reduced cutting resistance to an object to be cut such as beard and hair, as compared with conventional razor blades. This razor blade can be obtained by using, as a silicon thin sheet, a single cr... | 10/24/2006 |
| 7059054 | Cutting blades having pointed tip, ultra-sharp edges, and ultra-flat faces An apparatus and method for a cutting blade having a pointed tip and ultra-flat faces that intersect at ultra-sharp edges. The cutting blade is batch-fabricated on a standard {100} semiconductor mono-crystalline silicon wafer using conventional anisotropic wet etchi... | 06/13/2006 |
| 7059232 | Method of forming bridges in tamper-indicating closures A tamper indicating closure comprising a base wall and a peripheral skirt having an internal thread adapted to engage the threads of a container wherein a tamper indicating band is provided on the skirt by a plurality of circumferentially spaced bridges. The band in... | 06/13/2006 |
| 7060367 | Cutting blade and method of producing the same A blade with improved sharpness and durability is disclosed. The blade includes a base plate having an edge and a coating layer for coating the edge. The coating layer is formed of a material handling metal, and a tip of the coating layer is sharpened. It is preferr... | 06/13/2006 |
| 7060081 | Microkeratome blade with arbitrary blade angle A cutting blade (56) having a cutting edge (80) defined by an intersection of a first cutting edge surface (72) and a second cutting edge surface (66) is disclosed. The angle between the first cutting edge surface (72) and the seco... | 06/13/2006 |
| 7043819 | Methods for forming metal parts having superior surface characteristics A method of forming a metal product. A metal alloy workpiece substrate is provided have pre-process dimensions. The dimensional differences are determined between the pre-process dimensions of the workpiece substrate and desired post-process dimensions of a post-pro... | 05/16/2006 |
| 7037175 | Method of sharpening cutting edges The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising particles of an abrasive, and a l... | 05/02/2006 |
| 7003886 | Inner cutter unit and outer cutter unit for an electric shaver An electric rotary or reciprocating shaver including an inner cutter unit, with which inner cutter blades that make a sliding contact with the blade surface of an outer cutter, being provided with recesses that is filled with a synthetic resin. The outer cutter of a... | 02/28/2006 |
| 6993818 | Multi-fixture assembly of cutting tools Multiple cutting blades (56) are fabricated from a wafer (130). This wafer (130) is disposed on a blade handle mounting fixture (224) such that a blade handle (24) maybe mounted on each of the individual blades (56). A cutti... | 02/07/2006 |
| 6988318 | Coating for cutting implements A cutting implement having a pair of cutting blades and a coating is provided. The coating has titanium chromium nitride and provides the cutting blades with a satin silver appearance. In some embodiments, the titanium chromium nitride coating has a thickness in a r... | 01/24/2006 |
| 6986208 | Blade with microscopic ceramic cutting plates A blade has a hard, thin layer of ceramic on one side, so that when the blade is sharpened on the other side the very hard ceramic is disposed at the cutting edge. The ceramic (for example, TiN) may be deposited by vacuum deposition. The surface onto which the ceram... | 01/17/2006 |
| 6976314 | Sharpener for soft-core pencils A sharpener for sharpening soft-core pencils, especially those used in the medical or pharmaceutical field, includes a housing; and a shaping componentry, received by the housing, for shaping and sharpening a medical or pharmaceutical pencil. The shaping componentry... | 12/20/2005 |
| 6912941 | Steel rule die with removable cutting units A steel rule die for cutting cloth and synthetic materials. The cutting die includes a primary substrate and a plurality of cutting units that are removably attachable to the substrate in such a manner that they are easy to adjust, remove and replace. The cutting un... | 07/05/2005 |
| 6887586 | Sharp-edged cutting tools Sharp-edged cutting tools and a method of manufacturing sharp-edged cutting tools wherein at least a portion of the sharp-edged cutting tool is formed from a bulk amorphous alloy material are provided. ... | 05/03/2005 |
| 6868698 | Plate-shaped shearing knife A plate-shaped shearing knife is provided made of hard metal for shearing off allotments of liquid glass. The hard metal of the shearing knife has a thermal conductivity of at least 85 W/mK. Next to a V-shaped or circular-shaped cutting region -2-, there are ... | 03/22/2005 |
| 6817103 | Bonded layer protection structure for wear resistant component A bonded layer protection structure of a wear resistant component, comprising a wear resistant component such as a cutting tool constructed by bonding a wear resistant member such as a cutting portion to a main body portion such as a base metal by an adhesive. In th... | 11/16/2004 |
| 6745479 | Chromium mounted diamond particle cutting tool or wear surface and method A cutting tool or wear surface having diamond particles chromium mounted thereon. The diamond particles are preferably less than approximately 1,000 nanometers in length. Chromium or chromium like material is preferably mounted to an article through immersion in a b... | 06/08/2004 |
| 6701627 | Composite utility knife blade A composite utility knife blade and method of making such a blade involves butt joining a tool steel wire to a front edge of an alloy steel backing strip. The wire is electron beam welded to the backing strip to form a composite strip defining a first met... | 03/09/2004 |
| 6656186 | Bone saw blade and a method for manufacturing a bone saw blade A bone saw blade includes a blade body having a cutting section, a hub section and a shank located between the cutting section and the hub section. The blade body is first formed having a substantially uniform Rockwell hardness between approximately R | 12/02/2003 |
| 6634188 | Plate-shaped shearing knife A plate-shaped shearing knife is provided made of hard metal for shearing off allotments of liquid glass. The hard metal of the shearing knife has a thermal conductivity of at least 85 W/mK. Next to a V-shaped or circular-shaped cutting region -2-, there ... | 10/21/2003 |
| 6615496 | Micromachined cutting blade formed from {211}-oriented silicon A cutting blade is disclosed fabricated of micromachined silicon. The cutting blade utilizes a monocrystalline silicon substrate having a {211} crystalline orientation to form one or more cutting edges that are defined by the intersection of {211} crystal... | 09/09/2003 |
| 6588310 | Saw blade shank The present invention relates to an improvement of the conventional sandwiched type saw blade shank by providing, as the intermediate layer, a coated thin sheet with tens of electro-conductive points or a thin sheet with multiple contacts to enhance welda... | 07/08/2003 |
| 6422110 | Cutting knife for severing tough elastic materials and production method therefor A cutting knife and a method for production are provided, the knife being suitable for severing tough, elastic material, in particular cement beads of window panes cemented in motor vehicles. The knife comprises a securement portion having a securement re... | 07/23/2002 |
| 6389699 | Self sharpening blades and method for making same In a self-sharpening blade having a cutting edge, the combination comprising a layered structure, the structure including a relatively harder first layer with relatively higher wear resistance extending to the blade cutting edge, and the structure also in... | 05/21/2002 |
| 6378215 | Device for severing electrical conductors A cutting device is provided that includes a first handle having first and second ends, and a second handle having first and second ends. The second handle being coupled to the first handle. A first ceramic blade is coupled to the second end of the first ... | 04/30/2002 |
| 6330750 | Scapel blade having high sharpness and toughness A scalpel blade is made by depositing a coating onto a tapered region of a substrate which is tapered with an included angle of from about 10 to about 25 degrees to an edge. The substrate is made of surgical-grade stainless steel hardened to a Rockwell C ... | 12/18/2001 |
| 6302225 | Polycrystal diamond tool A polycrystal diamond tool is provided whose heat resistance, strength and anti-adhesion property are improved by modifying the porosity of a diamond sintered compact and which comprises a diamond sintered compact, sintered under ultra-high pressure and h... | 10/16/2001 |
| 6207294 | Self-sharpening, laminated cutting tool and method for making the tool An explosive laminated cutting tool which provides a self sharpening edge. The improved cutting tool s preferably comprised of two softer metals adhered to a hard central layer forming the cutting edge, with the central layer being made of such a material... | 03/27/2001 |
