"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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 |
| 7767734 | Rubber composition for bead apex and tire using same The present invention can provide a rubber composition for a bead apex comprising 20 to 120 parts by weight of a silica and 5 to 80 parts by weight of a graphite on the basis of 100 parts by weight of a rubber component comprising a natural rubber in an amount of no... | 08/03/2010 |
| 7459490 | Binder for mineral wool products Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequent... | 12/02/2008 |
| 7297728 | Friction material A friction material is made by molding and curing a composition containing a fibrous base that includes stainless steel fibers but not other steel fibers, a binder, and a friction modifier that includes at least two types of hard particles having a large Mohs hardne... | 11/20/2007 |
| 7294188 | Mixing method for friction material with a pre-mix in a single mixer An improved method of producing a friction material for use in the production of brake pads. A first mixing step blends binder, fiber, and filler materials together in a mixer to create a pre-mix, with one of the materials doubling as a wetting agent promoting the h... | 11/13/2007 |
| 7264094 | Friction pair A friction pair has a friction member and a mating member. A braking force is generated owing to a friction force generated between the friction member and the mating member. The friction member includes base fibers, a friction conditioner, a binder and copper oxide... | 09/04/2007 |
| 7207424 | Manufacture of carbon/carbon composites by hot pressing A mixture of carbon-containing fibers, such as mesophase or isotropic pitch fibers, a suitable matrix material, such as a milled pitch is compressed while resistively heating the mixture to form a carbonized composite material. Preferably, the carbonized material ha... | 04/24/2007 |
| 7037958 | Epoxy coating This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/... | 05/02/2006 |
| 6887549 | Friction material A friction material obtainable by molding and curing a material composition having a fibrous base, a binder, and a filler, wherein an amount of sulfate ions extracted from the friction material measured in accordance with JIS K 0127 is about 0.2 mg/g or smaller and ... | 05/03/2005 |
| 6849683 | Binder for mineral wool products Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequent... | 02/01/2005 |
| 6617375 | Non-asbestos friction materials A non-asbestos friction material is obtained by molding and curing a composition comprising a fibrous base, a filler and a binder. The binder is present in a total amount V1 and the filler contains in part graphite present in an amount V2 | 09/09/2003 |
| 6534565 | Friction facing composition and method of manufacture Friction materials for clutch, brake shoes and the like are formed of a paper having reduced or eliminated non-functional processing additives. The paper composition includes components selected from a group consisting of aramid pulp, aramid staple, carbo... | 03/18/2003 |
| 6479413 | Composite friction elements and pultrusion method of making A composite friction unit of a three dimensional composite body is formed of a substantially uniform array of predominately glass strands of primary reinforcing fibers in matrix of phenolic resin material, the reinforcing fibers in the form of fabric dist... | 11/12/2002 |
| 6455145 | Friction member This invention intends to provide a friction member which is high in an anti-fading character and low in mate attacking character. For such purpose, in a friction member composed of a fiber containing substrate, a bonding agent and a filling agent, an acc... | 09/24/2002 |
| 6284815 | Non-asbestos friction material A non-asbestos friction material is disclosed, which comprises a non-asbestos fibrous reinforcement, a thermosetting resin binder, and a filler as the main components, wherein the fibrous reinforcement is a combination of plural kinds of non-asbestos fibe... | 09/04/2001 |
| 6221475 | Friction element in composite carbon/carbon-silicon carbide material and method for manufacturing same A friction element is made out of a composite material comprising carbon fiber reinforcement and a matrix which, at least in the vicinity of the or each friction face, comprises: a first phase in the vicinity of the reinforcing fibers and containing pyrol... | 04/24/2001 |
| 6110268 | Sintered brake lining and method for its manufacture A friction-type member, which is suited, in particular, as a brake pad for a brake member of fiber-reinforced ceramic, and a method for manufacturing such a brake pad. A mixture is initially prepared from at least carbon particles and metal particles, if ... | 08/29/2000 |
| 6110991 | Friction materials containing blends of organic fibrous and particulate components Dry processed friction materials are disclosed wherein the components thereof include dry blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.... | 08/29/2000 |
| 6107386 | Friction materials A friction material comprising a filler, a binder, and a lubricant, wherein a part or the whole of the filler is constituted by molybdenum trioxide. Not only is the friction material improved in anti-cracking property and anti-fading property under high-t... | 08/22/2000 |
| 6080230 | Friction material composition In a friction material composition containing a fiber base, and a binder, a novolak type phenolic resin having a mean molecular weight of from 3500 to 5000 is used as the binder.... | 06/27/2000 |
| 6060536 | Method of producing wet friction material and wet frictional material In a method of producing a wet friction material according to the present invention, a water soluble material is dispersed into a raw paper including a fibrous base material, a filler, and a friction adjusting agent. Then, the raw paper is passed through ... | 05/09/2000 |
| 5965658 | Carbonaceous friction materials The instant invention provides a non-asbestos friction material and method of making therefor having from about 2 to 20 wt % of carbonaceous fibers. The remainder of the friction material is an auxiliary material and a thermosetting resin. The carbonaceou... | 10/12/1999 |
| 5962551 | Powder of titanium compounds Particles of titanium compounds each containing crystals of at least two kinds of alkaline earth metal titanate compounds of the perovskite type represented by RTiO3 wherein R is an alkaline earth metal which crystals are joined together or joi... | 10/05/1999 |
| 5888645 | Method and apparatus for manufacturing an article of a composite material A fiber-reinforced composite material and articles of manufacture formed thereof are formed by the method comprising: forming a compound material comprising a mixture of curable matrix-forming binder, heat resistant reinforcing fibers, and at least one pa... | 03/30/1999 |
| 5889080 | Friction materials containing blends of organic fibrous and particulate components A method for making a dry blend for use in the preparation of a friction material, a dry blend per se and dry friction materials is disclosed wherein the components thereof include a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer ... | 03/30/1999 |
| 5856390 | High temperature coating A coating for reducing brake pad noise is provided that includes about 40 to about 90% by weight of a phenolic thermal setting resin, about 1 to about 40% by weight of graphite, about 1 to about 40% by weight of molybdenum disulfide, and, 0 to about 40% b... | 01/05/1999 |
| 5821282 | Self lubricating brake shoe material A self lubricating material for use in a castable material from which a predetermined component having at least one friction surface is to be manufactured. Such self lubricating type material consisting essentially of cellulose in the range of between abo... | 10/13/1998 |
| 5767022 | Friction pad containing high temperature stable continuous filament glass fibers Composition and process for the preparation of high temperature stable continuous glass fibers with an upper temperature use limit of 2300° F. are provided. The compositional formulation, in mole percent, is 62-85% SiO2, 10-20% Al2 ... | 06/16/1998 |
| 5686507 | High profile non-skid deck coating composition High friction coatings, compositions for producing such coatings, and non-skid coatings for ships and decks are disclosed. Included are compositions comprising a curable resin, a filler, and aramid in the form of fibers or flakes.... | 11/11/1997 |
| 5639804 | Non-saturated friction material comprising powdered silicone resin and powdered phenolic resin and method for making same The present invention relates to a friction material comprising a silicone resin, a phenolic resin, and, in certain embodiments, silicon nitride particles, incorporated into an aqueous paper formulation which is then formed into a friction material. The f... | 06/17/1997 |
| 5605755 | Low cost, asbestos free friction material A fiber blend for use in friction materials. The fiber contains a blend of a highly fibrillated fiber, such as a fibrillated polyacrylonitrile fiber and a fiber with a high carbon content, such as an oxidized carbon fiber precursor.... | 02/25/1997 |
| 5576358 | Composition for use in friction materials and articles formed therefrom A composition containing a matrix, a fiber, a filler; and a friction modifier; wherein an effective amount of at least one of said components selected from the group consisting of fiber, filler, friction modifier and combinations thereof are cure promotin... | 11/19/1996 |
| 5516816 | Friction composition and friction element fabricated therefrom This invention relates to a friction composition comprising oxidized or phoisphotized metal fibers and to friction elements fabricated therefrom.... | 05/14/1996 |
| 5428081 | Non-asbestos, frictional material composition and method of making same The non-asbestos, frictional material composition comprising a fibrous metal, carbon powder manufactured by sintering a mixture of coke and pitch, a hardening agent, a heat-resistant agent, and a filler for stabilizing the composition. The process for man... | 06/27/1995 |
| 5384344 | Friction material containing BT resin dust A friction material containing dust having bismaleimidetriazine as a major ingredient. The dust is effective when contained in amount of 1 to 20 wt. % in the friction material. Compared with conventional friction material containing cashew dust, the gener... | 01/24/1995 |
| 5344854 | Friction material for brake A friction material for a brake obtained by a process which comprises preparing (I) a composition for a friction material from (A) a binder composition comprising 95-5 parts by weight of a cyanate ester resin and 5-95 parts by weight of a polycyclic aromatic p... | 09/06/1994 |
| 5292780 | Compositions for friction elements This invention relates to a composition suitable for use in friction elements and comprises a frictional material and a binder, the latter being a blend of a polyvinyl alkyl ether with a phenolic resin and optionally a rubber. Compared with conventional f... | 03/08/1994 |
| 5268398 | Friction material and method of manufacturing such material A friction material is so manufactured that a hygienic environment can be maintained while simultaneously reducing the brake noise without reducing the friction coefficient of the brake pads made of the present material. The friction material is granulate... | 12/07/1993 |
| 5250588 | Organic friction material composition for use to produce friction linings Disclosed is an organic friction material composition useful to produce any kind of friction linings, such as brake linings or clutch linings, that have to be capable of withstanding high operating temperatures and pressures for substantial periods of tim... | 10/05/1993 |
| 5230952 | Sintered composite friction material comprising fluorocarbon resin A sintered fluorocarbon resin based composite friction material having a high coefficient of friction, greater hardness, good machineability and improved wear resistance. The composite material comprises a homogeneous blend of fluorocarbon resin, aramid a... | 07/27/1993 |
| 5190991 | Brake linings A brake lining is made from a preform which has been formed by a compression step parallel to that surface of the brake lining preform which is to be the braking surface of the lining in use and has subsequently been compressed in a direction substantiall... | 03/02/1993 |