Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
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 |
| 8182930 | Twisted wire and method of producing twisted wire A twisted wire 1 is produced by twisting two wires 2 together. When that portion of the twisted wire 1 extending from one ends 3 of the two wires 2 to a first predetermined position 4 is defined as a one end-side twisted por... | 05/22/2012 |
| 7785716 | Insert-molded article, insert mold and insert molding method A bearing apparatus includes a coil spring having a center portion in which a wire is wound at a predetermined pitch, and end turn portions arranged at both end portions of the center portion. Each of the end turn portions is formed by winding the wire at least thre... | 08/31/2010 |
| 7326854 | Cables with stranded wire strength members High strength cables formed from strength members. The strength members are formed from bimetallic filament wires which may be encased within a jacket of polymeric material. The bimetallic filament wires wherein the filaments include a high strength core and a corro... | 02/05/2008 |
| 7291391 | Electrically conductive yarn An electrically conductive yarn comprises stainless steel fibers with a specific stainless steel electrical resistance. The stainless steel fibers are coated with a metal coating, consisting of a metal material having a specific electrical resistance, smaller than t... | 11/06/2007 |
| 7259331 | Lightweight armor wires for electrical cables Disclosed are electric cables with improved armor wires used with wellbore devices to analyze geologic formations adjacent a wellbore. The cables include at least one insulated conductor, and one or more armor wires surrounding the insulated conductor. The armor wir... | 08/21/2007 |
| 7220492 | Metal matrix composite articles Mold components comprising soluble cores, metal matrix composite articles, and methods of making metal matrix composite articles. ... | 05/22/2007 |
| 7216419 | Method of manufacturing a high-frequency coil device In a high-frequency coil device having small dispersion in coil inductance and suitable for use in GHz band and a method of manufacturing the high-frequency coil device, a spirally-shaped fine-pitch coil is embedded in the surface of a polyimide layer as a dielectri... | 05/15/2007 |
| 7108233 | Wire ring net for rocky wall barriers and method for making it A wire ring net, particularly for providing barriers for rocky walls and the like comprises a plurality of braided wire rings, each wire ring comprising, at a starting end of its wire, a first curled portion wound about the wire of the first turn and, at the termina... | 09/19/2006 |
| 7097403 | Reduced material fastener A reduced material fastener has a shank cross-section selected to provide a parting line. Having a parting line means that the fastener may be made using two opposing dies, including roller dies, to cold form the cross-section. The cross-sections do not have to be s... | 08/29/2006 |
| 7056463 | Method of manufacturing prestressed concrete Pre-tension and post-tension processes for the manufacture of pre-stressed structures in which bonded carbon fiber cables are provided with burial anchors and temporary anchors outward of the burial anchors. The burial anchors are embedded in the structure. The temp... | 06/06/2006 |
| 7047703 | Metal framing strut with coiled end portions A building strut is formed as a cylinder having a plurality of contiguous sidewalls. Opposing terminal ends of the sidewalls define the ends of the cylinder. One or more of the sidewall ends are formed as a coiled spiral. These spirals may be formed within one of th... | 05/23/2006 |
| 7041943 | Electrical heating element for heating units of seats and steering wheels An electrical heating element for heating units of seats and steering wheels is provided. The heating element comprises at least one conductor having at least one core-coated wire that serves as a heat conductor and/or as a contact conductor and/or as a lead for tem... | 05/09/2006 |
| 7030059 | Metal catalyst carrier A metal catalyst carrier has a core comprising a corrugated sheet and a flat sheet with a plurality of slots in a shape elongated in a direction perpendicular to a cell passage direction. The slots are formed before a sheet metal is corrugated and have a predetermin... | 04/18/2006 |
| 6926969 | Process for the production of sintered porous bodies The invention relates to a process for the production of sintered porous bodies, to porous bodies produced correspondingly using the process, and to their use. With the solution according to the invention, sintered bodies which achieve improved properties, such as a... | 08/09/2005 |
| 6908065 | 3-dimensional bead process A method for weaving beads together in order to form a textured chamber comprised of woven strings of beads and products generated thereby is shown. A plurality of bead strings, referred to herein as chains, are used which are comprised of beads connected by strings... | 06/21/2005 |
| 6897399 | Hollow metal object and method of its fabrication Manufacturing narrow-diameter hollow metal objects utilizing metals difficult to work plastically has been problematic with conventional manufacturing methods; the narrower the diameter the higher the manufacturing cost has been, and under some circumstances manufac... | 05/24/2005 |
| 6723451 | Aluminum matrix composite wires, cables, and method Wires and cables made from ceramic oxide fibers encapsulated within a matrix that includes aluminum. ... | 04/20/2004 |
| 6607841 | Silicon steel sheet An improved silicon steel sheet has two lateral ends each having a side edge narrower than the width of the silicon sheet. The side edge has two end points linking respectively to two lateral sides of the silicon steel sheet to form two symmetrical slant ... | 08/19/2003 |
| 6475636 | Steel cord for protection plies of pneumatic tires A steel cord particularly adapted for reinforcement of a protection ply in a tire has under compression in rubber a deformation Wk at instability of at least 3% and is stress-relieved so that its total elongation at rupture in rubber exceeds 3.... | 11/05/2002 |
| 6438932 | Steel cord with waved elements A steel structure adapted for the reinforcement of elastomeric members has steel elements containing a plurality of steel filaments at least one of which filaments is provided with first and second crimps. The first crimp lies in a plane that is substanti... | 08/27/2002 |
| 6423424 | Method of producing an opening cylinder The present invention relates to a method of producing an opening cylinder for an open-end spinning machine, comprising the step of applying to the surface of a body of the opening cylinder a spirally extending sawtooth wire. For simplifying such a method... | 07/23/2002 |
| 6413651 | Composite metal coil or plate and its manufacturing method A kind of composite metal coil/plate includes one parent metal coil/plate and at least one clad metal coil/plate as well as an interlayer composed of atoms of a brazing filler, the parent metal and the clad metal. The interlayer is about 2-10 μm in thick... | 07/02/2002 |
| 6355361 | Fe group-based amorphous alloy ribbon and magnetic marker An Fe group-based amorphous alloy ribbon having a cross section having a width of from 100 to 900 μm and a thickness of from 8 to 50 μm and a magnetic hysteresis loop which exhibits a large Barkhausen discontinuity. The amorphous alloy ribbon is suitabl... | 03/12/2002 |
| 6311466 | Steel cord with waved elements A steel structure adapted for the reinforcement of elastomeric members has steel elements containing a plurality of steel filaments at least one of which filaments is provided with first and second crimps. The first crimp lies in a plane that is substanti... | 11/06/2001 |
| 6308508 | Steel cord for reinforcement of a radial tire and a radial tire employing the same A steel cord for reinforcement of a radial tire and a radial tire employing the same are disclosed. The steel cord is made of more than three steel filaments of which one or two filaments are regularly twisted, the other filaments are open-twisted and eac... | 10/30/2001 |
| 6270913 | Apparatus for manufacturing metallic fibers, method of manufacturing twine of metallic fibers, twine of metallic fibers and method of coloring metallic fiber A method of manufacturing a metallic fiber in which from a convergent extended wire, which is formed by a metallic fiber and a matrix member which is formed of a metallic material and whose dissolvability is higher than the dissolvability of the metallic ... | 08/07/2001 |
| 6197440 | Magnetic recording medium A magnetic recording medium comprises a stack of four magnetic layers. The first magnetic layer 11 is a layer for reproducing information recorded on the medium. The third magnetic layer 13 is a storage layer for storing information recorded on the medium... | 03/06/2001 |
| 6156698 | Honeycomb catalyst and manufacturing method therefor There are provided a honeycomb catalyst in which irregularities are formed on a catalyst inside wall in a honeycomb hole, and a manufacturing method for a honeycomb catalyst by using an extrusion molding method, in which extrusion molding is effected by u... | 12/05/2000 |
| 6042629 | Fertilizer from brewery cleaning and rinsing solutions A process provides for the production of fertilizer solutions from brewery cleaning solutions. The process comprises the steps of combining a brewery caustic potash cleaning solution with a brewery nitrogen- or phosphorus-containing acid cleaning solution... | 03/28/2000 |
| 6017641 | Coil spring resistive to delayed fracture and manufacturing method of the same A coil spring made of an oil-tempered steel wire with internal hardness of more than Hv 550 in cross-section, the surface hardness of the oil-tempered steel wire being determined in an extent between Hv 420 in a minimum value and hardness defined by subtr... | 01/25/2000 |
| 5968670 | Enhanced ceramic ball grid array using in-situ solder stretch with spring A method and apparatus are provided for forming an elongated solder joint between two soldered substrates of an electronic module or an electronic module in the process of being fabricated by using expandable solder bump means disposed between the substra... | 10/19/1999 |
| 5958602 | Multi-walled steel pipe A multi-walled steel pipe includes at least two pipe bodies of different diameters. The two pipe bodies are overlapped with one another. Either the inner surface of the outer pipe body or the outer surface of the inner pipe body is a rough surface having ... | 09/28/1999 |
| 5955171 | Procedure for making highly resistant structures, with ability to absorb energy by the interlinking of layers formed with longitudinal helical metal strips and structures obtained therefrom Described is a particular procedure to make structures from longitudinal helical metal strips, the same are adecuate to conform different objects, such as plates, planks, sheets, tubes, shafts, etc. and they are porous, flexible, highly resistant and with... | 09/21/1999 |
| 5843583 | Cord with high non-structural elongation A steel cord adapted for the reinforcement of an elastomer comprises steel filaments of a pearlitic structure. The steel cord has a plastic and elastic elongation at break of x % and a plastic and elastic elongation capability in the vulcanized elastomer ... | 12/01/1998 |
| 5791044 | Assembly and method for catalytic converter structures A metal foil leaf assembly for catalytic converters, the leaf assembly including at least two juxtaposed foil leaves, each having opposite ends to establish a leaf length and at least one corrugated leaf segment shorter than the leaf length. At least one ... | 08/11/1998 |
| 5788110 | Articles and methods for protection against focused beams of radiant energy A highly effective barrier for protecting objects against focused beams of radiant energy. The invention has special applicability in a combat environment for protecting military equipment against destruction by laser weapons, or for thwarting detection o... | 08/04/1998 |
| 5607742 | Ground environment mats A ground environment mat for VSTOL aircraft and the like, comprising drag elements controlling the effect of laterally transmitted ground jets resulting from jet entry to the mat, so as to reduce hot gas and debris ingestion by the aircraft's air intakes,... | 03/04/1997 |
| 5514480 | Metal-based composite A metal-based composite includes a metal matrix including aluminum as a major component, discontinuous alumina fibers buried in the metal matrix, mullite particles buried therein, and solid lubricant particles buried therein. The solid lubricant particles... | 05/07/1996 |
| 5512380 | Steel cord construction A steel cord (10) adapted for the reinforcement of elastomers, comprises individual steel filaments (12, 14). Some of these steel filaments (12) have a difference in torsion saturation level in comparison with other steel filaments (14). All of the indivi... | 04/30/1996 |
| 5468566 | Synthesis of highly phase pure BSCCO superconductors An article and method of manufacture of (Bi, Pb)-Sr-Ca-Cu-O superconductor. The superconductor is manufactured by preparing a first powdered mixture of bismuth oxide, lead oxide, strontium carbonate, calcium carbonate and copper oxide. A second powdered m... | 11/21/1995 |
