Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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 |
| 7229699 | Bearing having embedded hard particle layer and overlay and method of manufacture A multilayer sliding bearing includes a rigid metal backing having a metal bearing liner attached thereto. The metal bearing liner includes a metal bearing liner layer which is attached to the bearing surface of the metal backing layer and at least one metal overpla... | 06/12/2007 |
| 7181847 | Process for manufacturing a cylindrical hollow body and hollow body made thereby Process for manufacturing cylindrical hollow bodies with a circular cross-section using solid rough material of corrosion-resistant, martensitic chromium steels. A remelting block is produced and a tube blank is made therefrom, the tube blank being formed into a tub... | 02/27/2007 |
| RE38936 | Antifriction bearing and alternator incorporating same for use in vehicles An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a stator mounted on a frame, a rotor having its rotary shaft rotatably supported by a pair of bearings on the ... | 01/17/2006 |
| 6948784 | Track pin bushing having a metallurgically bonded coating A track pin bushing for cooperating with a track pin in an endless track has a tubular body with a metallurgically bonded wear-resistant coating and a method for forming such a coated track pin bushing is taught herein. The tubular body, formed of an iron-based allo... | 09/27/2005 |
| 6928737 | Wheel-support rolling bearing unit and a method manufacturing the same A cylindrical portion 10 is not quenched, and its hardness of a cylindrical portion 10 is set at Hv200 to 300. An average cross sectional area of the crystal particle in this portion is set to be within 0.03 mm2. Accordingly, when a caulking... | 08/16/2005 |
| 6886986 | Nitinol ball bearing element and process for making A bearing having bearing elements made of Type 60 Nitinol made by an investment casting process for producing near net shape parts of Nitinol includes making a ceramic mold having a series of spherical cavities, pouring molten Nitinol into the mold cavities, cooling... | 05/03/2005 |
| 6854183 | Lead-free bearing A lead-free bearing includes a bronze matrix powder metal bearing layer bonded to a steel backing a fully densified. The bearing material has about 8 to 12% by weight tin, about 1 to less than 5% by weight bismuth, and about 0.03 to 0.08% by weight phosphorus, with ... | 02/15/2005 |
| 6817774 | Method and apparatus for automatically dynamically adjusting prestressed bearings of shaft Method and apparatus for automatically dynamically adjusting prestressed bearings of shaft are provided. The apparatus comprises a sleeve assembly having outer and inner sleeves sandwiched between the bearings. An inner diameter of outer sleeve is smaller than an ou... | 11/16/2004 |
| 6779245 | Bearing reinforcement in light metal housing Bearing reinforcement for a shaft (3) mounted in bearings in a cast light-metal housing (1, 2) such as an engine block or a gearbox housing, in which an insert (5) that forms a bearing seat for the shaft (3) is made of an MMC material, i.... | 08/24/2004 |
| 6711819 | Scandium containing aluminum alloy firearm Firearms having scandium containing aluminum alloy components having alloying elements including light weight metals, such as magnesium, chromium, copper and zinc, heavier metals, such as zirconium, and other rare earth metals. The components have yield strengths of... | 03/30/2004 |
| 6547442 | Rolling bearing A structure of at least a stationary-side race of a bearing is transformed into a lower bainite structure through an isothermal transformation treatment. Furthermore, the adjustment is made for hardness to HRC=54 to 64, an amount of residual austenite to ... | 04/15/2003 |
| 6301784 | Method of fabricating plain bearings A lead-free multilayer material for plain bearings and a process for the production of corresponding bearing shells for improved emergency running and mechanical load-carrying capacity characteristics. The multilayer bearing material comprises a lead-free... | 10/16/2001 |
| 6289590 | Method of forming a bearing A method of forming a bearing includes adding at least one particulate material to an aqueous dispersion of polytetrafluoroethylene, mixing the constituents to allow the polytetrafluoroethylene to coagulate to form a mush, spreading the mush on to a suppo... | 09/18/2001 |
| 6223437 | Method for fabricating a friction bearing, and friction bearing Methods for fabricating a friction bearing, in particular for ceramic shafts, made of metallic hardenable sintered material having an open pore volume of at least 15%, wherein the sintered material is brought into a predetermined shape and is subsequently... | 05/01/2001 |
| 6221515 | Bimetallic strip for a sliding bearing and process for producing said bimetallic strip A bimetallic strip for a sliding bearing having a sliding strip of an aluminum alloy which is adhered to a steel supporting strip and method of manufacture. The composition of the sliding strip is from 3 to 30% of tin; from 1 to 6% of silicon and the rema... | 04/24/2001 |
| 6190050 | System and method for preparing wear-resistant bearing surfaces A wear-resistant bearing system utilizes a grid pattern of wear-resistant material. In instances where two bearing surfaces slide with respect to one another, such as with a thrust bearing, wear-resistant material strips are inlaid in the surrounding supp... | 02/20/2001 |
| 6178639 | Multi-layer engine bearings and method of manufacture A multilayer engine bearing (26) includes a steel backing (36) having a liner (38) of bearing metal of either copper-lead or aluminum alloys formed on the backing (36) and a thin layer (44) of either copper or nickel plated on the liner (38) to define a b... | 01/30/2001 |
| 6101719 | Method of manufacturing rolling bearings In manufacturing a rolling bearing, at least one component of an inner ring, an outer ring, and a rolling element is manufactured from an alloy steel comprising 0.05 weight %-0.5 weight % carbon, 0.5 weight %-18 weight % chromium, 1.5 weight % or less sil... | 08/15/2000 |
| 5896664 | Process for producing aluminum alloy bearing In producing an aluminum alloy bearing which comprises bonding an aluminum alloy layer to a backing metal layer composed of steel and then coating an intermediate layer and an overlay in this order on the surface of the aluminum alloy layer of the resulti... | 04/27/1999 |
| 5456008 | Process for hard-coating a ball This invention relates to a process for hard-coating a ball, consisting in: hollowing in the outer surface of the ball a depression whose periphery lies at a certain distance from the two polar faces of the ball in order that it is bordered by elevated zones; ... | 10/10/1995 |
| 5422524 | Antifriction bearing and alternator incorporating same for use in vehicles An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a stator mounted on a frame, a rotor having its rotary shaft rotatably supported by a pair of beari... | 06/06/1995 |
| 5195244 | Bearings Bearings and a method of manufacture thereof are described, the method comprising the steps of forming a half bearing of a desired size from a leaded bronze alloy having a strong backing material, indenting the bore surface of the leaded bronze alloy, dep... | 03/23/1993 |
| 5038640 | Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits An improved hardfacing composition and method are shown for use in manufacturing an earth boring bit. The hardfacing composition is formed by combining titanium carbide with a hard-metal alloy of the iron or cobalt family. The hardfacing composition is th... | 08/13/1991 |
| 4996025 | Engine bearing alloy composition and method of making same An engine bearing having an aluminum-lead bearing alloy and a method of casting such aluminum-lead alloys in which the bimetal lining after bonding of the alloy has no lead gradient and contains no lead ribbons of significant size.... | 02/26/1991 |
| 4776885 | Sintered composite materials with short metal fibers as matrix Short, fine fibers having certain aspect ratios and generally triangular cross-section are mixed with particulate material whereby the fibers form a three dimensional network and the mixture is sintered to provide composites containing scattered and envel... | 10/11/1988 |
| 4738011 | Method of manufacturing composite sliding material A method of producing a composite sliding material having a sliding portion with a sliding surface is disclosed. A base material billet for the sliding portion is prepared and then at least half of the outer peripheral surface of the base material billet ... | 04/19/1988 |
| 4719076 | Tungsten carbide chips-matrix bearing A blend of tungsten carbide powder and cemented tungsten carbide cobalt chips is loaded into a cavity surrounding a steel bearing blank and infiltrated with a copper base infiltrant to create a chip matrix bearing surface.... | 01/12/1988 |
| 4654501 | Method for metal bonding of bearings A method is presented for metal bonding of a base metal by creation of a weld puddle by means of an air cooled gas-tungsten-arc torch. As the puddle is created, the filler metal is fed as a wire into the puddle by means of a cold wire feed mechanism. The torch... | 03/31/1987 |
| 4645360 | Plain bearings and a method for manufacturing plain bearings A plain bearing comprising a metal backing, an aluminium based bearing alloy layer and a sacrificial overlay of pure tin applied directly to the bearing material without a nickle interlayer. The bearing alloy comprises by weight, 1 to 11% silicon, 8 to 35... | 02/24/1987 |
| 4629353 | Manganese steel shroud for pin A pin for a high wear, high abrasion, heavy loading joint has a manganese steel shroud in a groove in the center of a high strength alloy steel core. The shroud extends through at least the area of wear. The retaining pins, or keepers, are in the high str... | 12/16/1986 |
| 4499642 | Composite bearing A heavy-duty composite radial journal bearing and a method to produce it is described. A pattern of openings is formed through a bearing sleeve representing, for instance, axially aligned metal bars. The openings are subsequently filled wth a metal dissim... | 02/19/1985 |
| 4470184 | Bearing of an internal combustion engine and process for producing the same A bearing to be used in an internal combustion engine, comprises a base and an overlay layer formed on said base. The overlay layer comprises an alloy layer consisting of from 5 to 20%, preferably from 10 to 14%, of Sn, from 0.05 to 10%, preferably from 0... | 09/11/1984 |
| 4361629 | Bearing material and method of producing same Bearing material including aluminum as its main ingredient and at least one lubricant additive, produced by compacting a powder material including aluminum as its main ingredient and at least one lubricant additive into a desired shape, subjecting the com... | 11/30/1982 |
| 4262840 | Rotor for high operating speeds A high-speed rotor constructed of elemental boron and fashioned as a hollow element such as a centrifugal drum.... | 04/21/1981 |
| 4241483 | Method of making drill, bushings, pump seals and similar articles A method of making a drill bushing or a similar article, such as a pump seal, the method including metallurgically bonding tungsten carbide within a matrix to the steel blank by treating the combination in a vacuum, hydrogen, salt bath or other heating me... | 12/30/1980 |
| 4189194 | Coated plain bearing and process of manufacture This invention is for providing a bearing lining on a backing, for example of aluminum, and uses polyphenylene sulphide which has good bearing properties, in combination with a base comprising a component of a metal from Group I or Group II of the Periodi... | 02/19/1980 |
| 4172395 | Method of manufacturing a rotary rock bit A rolling cone earth boring bit is produced having a bearing surface that has been infiltrated to a controlled depth. A groove is machined in one of the bearing members. The bearing member is placed in a die and an alloy powder material is pressed into th... | 10/30/1979 |
| 4140592 | Gas bearing surface coating A method for increasing the life and reliability of beryllium gas bearings by applying a coating of chromium to one bearing surface and an anodized beryllium coating to its mating surface.... | 02/20/1979 |
| 4121928 | Method for the manufacture of multi-layer sliding material This invention discloses a method for manufacturing a multi-layer sliding material, said method substantially comprising laying and distributing metal powder which contains aluminum as a main component thereof, uniformly on a steel plate or a steel plated... | 10/24/1978 |
| 4094559 | Flanged bearing cartridge A flanged bearing cartridge is provided comprising a sintered powdered steel flange housing formed of a steel composition consisting essentially by weight of up to about 6% Ni, up to about 3% Cu, up to about 2% Mn and/or Si, about 0.2 to 1.2% C and the ba... | 06/13/1978 |
