...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7371808 | Polymer treating method and apparatus A polymer treating method has the steps of: reacting a polymer compound with a reaction agent in a reaction vessel to generate a polymer treatment product; discharging the polymer treatment product containing the reaction agent from the reaction vessel; depressurizi... | 05/13/2008 |
| 7364682 | Nasal and oral cannula breathing detection device A cannula and method of forming a cannula by forming a cannula mandrel assembly having a nare mandrel, a main body mandrel and mouthpiece mandrel; heating the cannula mandrel assembly, applying a polymeric material to the cannula mandrel assembly to provide a desire... | 04/29/2008 |
| 7357629 | Apparatus and method for aligning a removable build chamber within a process chamber The invention is a rapid prototype apparatus having a removable build chamber and a plurality of alignments surfaces that can be used to properly align the build chamber with the process chamber with minimal adjustments by a user. In one embodiment, the apparatus co... | 04/15/2008 |
| 7357886 | Singular molded and co-molded electronic's packaging pre-forms Molded pre-forms that are used to protect electronic components and assemblies from damage due to vibration, shock and/or thermal exposure. The pre-forms can be singularly molded or co-molded. Co-molded pre-forms can include hard surface layers over softer molded co... | 04/15/2008 |
| 7351366 | Method of manufacturing low pressure injection type RIM mold, and product formed using the mold The present invention relates to a method of manufacturing a low pressure injection type RIM mold and a product molded using the mold, wherein manufacturing time is reduced by simplifying manufacturing processes and the precision of a product is prevented from being... | 04/01/2008 |
| 7350558 | Method of venting a spray metal mold The present invention relates to a novel method of venting a spray metal molding surface. More particularly the invention relates to a method of manufacturing a mold using a thermal spray process to produce a metal surface containing passages in the spray metal to v... | 04/01/2008 |
| 7348394 | Methods for preparing transparent articles from biphenol polycarbonate copolymers A method for producing a transparent article is provided. The method comprises melt transesterifying in the presence of a transesterification catalyst and a monomer mixture to produce a biphenol polycarbonate copolymer product comprising greater than 45 mole percent... | 03/25/2008 |
| 7348398 | Method for separating transition metals from polymers The invention relates to a method for separating transition metals from polymers. According to the invention, a solid polymer containing transition metals is treated with an extracting agent, the duration of the treatment and the extraction temperature being selecte... | 03/25/2008 |
| 7347683 | Mold and molding apparatus using the same A molding apparatus for patterning a workpiece includes a mold having a pattern to be transferred to the workpiece, with the pattern including recesses, a first support member for supporting the mold, and a second support member, arranged opposite to the first suppo... | 03/25/2008 |
| 7345133 | Branched polycarbonates A branched polycarbonate and processes for its preparation are disclosed. The polycarbonate contains structural units conforming to in which R1, R2, R3 and R4 mutually independent... | 03/18/2008 |
| 7341685 | Block forming method A block forming apparatus is provided. The block forming apparatus includes first and second jackets detachably secured to a base pallet. The first and second jackets may be removed from the base pallet during the curing period of a block for use with a second base ... | 03/11/2008 |
| 7340807 | Pouch and resealable closure mechanism therefor including a plurality of interlocking closure elements A resealable closure mechanism includes first and second closure strips. The first closure strip includes a plurality of discontinuous closure elements and the second closure strip includes a plurality of discontinuous closure elements. One or more of the discontinu... | 03/11/2008 |
| 7337780 | Nasal and oral cannula breathing detection device A cannula comprising a main body which defines an internal chamber therein. A first and second nasal prongs, respectively, communicate with the internal chamber to define first and second nasal prong passages. A mouthpiece has a gas passageway and a retainer passage... | 03/04/2008 |
| 7332560 | Thermoplastic molding compositions having reduced water absorption A thermoplastic molding composition comprising polycarbonate and at least one (co)polyformal is disclosed. Characterized by its low water absorption the composition is particularly suitable for producing molded articles, especially optical data carriers, such as com... | 02/19/2008 |
| 7332197 | Methods of fabricating microneedle arrays using sacrificial molds, and microneedle arrays fabricated thereby Microneedle arrays are fabricated by providing a sacrificial mold including a substrate and an array of posts, preferably solid posts, projecting therefrom. A first material is coated on the sacrificial mold including on the substrate and on the array of posts. The ... | 02/19/2008 |
| 7329718 | Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ri... | 02/12/2008 |
| 7326448 | Polymerizable oligomeric urethane compositions comprising nanoparticles Presently described are microstructured articles such as a brightness enhancing film or optical turning film. The microstructured articles comprise a brightness enhancing polymerized structure comprising the reaction product of a composition comprising an organic co... | 02/05/2008 |
| 7326764 | Transparent compositions, methods for the preparation thereof, and articles derived therefrom A reaction product comprises a first polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, a second polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, and a transesterification catalyst. The reaction product has a h... | 02/05/2008 |
| 7326467 | Polycarbonate-based resin composition for extrusion molding using sizing die and molded product A polycarbonate-based resin composition for extrusion molding using a siring die, and a molded product produced by extrusion-molding the resin composition using a sizing die, The polycarbonate-based resin composition comprises, as a main component, a polycarbonate h... | 02/05/2008 |
| 7323536 | Transparent compositions, methods for the preparation thereof, and articles derived therefrom A reaction product comprises a polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, and a transesterification catalyst. The reaction product has a haze of less than 5.0%, specifically less than 3.5% as measured at a thickness of 3.2 mm accor... | 01/29/2008 |
| 7323133 | Method for producing micromanufactured items in ceramic materials A method for producing ceramic micromanufactured items comprises the following stages: a starting material constituting at least a micromanufactured item (1) is prepared and used to from the micromanufactured item (1); said starting material includes a... | 01/29/2008 |
| 7323535 | Transparent compositions, methods for the preparation thereof, and articles derived therefrom A reaction product comprises a polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, a polycarbonate polymer, and a transesterification catalyst, wherein the polyester-polycarbonate comprises greater than or equal to 75 mole % aromatic ester ... | 01/29/2008 |
| 7320832 | Fine-grained metallic coatings having the coefficient of thermal expansion matched to the one of the substrate Fine-grained (average grain size 1 nm to 1,000 nm) metallic coatings optionally containing solid particulates dispersed therein are disclosed. The fine-grained metallic materials are significantly harder and stronger than conventional coatings of the same chemical c... | 01/22/2008 |
| 7318958 | Weatherable multilayer articles and method for their preparation Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprisin... | 01/15/2008 |
| 7319133 | Contact lens extraction/hydration systems and methods of reprocessing fluids used therein The present contact lens treating systems and methods effectively remove extractable materials from contact lenses, for example, newly formed contact lenses, so that the lenses can be safely and conveniently worn, for example, for extended periods of time. Such trea... | 01/15/2008 |
| 7316052 | Closure profile and die plate for extruding same A reclosable pouch includes interlocking male and female closure elements having elongate hollow closure profiles. The male closure profile has a hollow shaft section, and the female closure profile has a channel with at least one hollow side. A set of pleated grip ... | 01/08/2008 |
| 7316795 | Method for overmolding a painted silicone rubber human extremity prosthesis The invention relates to method for overmolding a painted silicone prosthesis of a human extremity. A silicone prosthesis is first molded from a solid replica of a human extremity and then painted to closely resemble the color of the recipient person. An elasotmeric... | 01/08/2008 |
| 7314907 | Purified polymeric materials and methods of purifying polymeric materials A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities.... | 01/01/2008 |
| 7314909 | Method of reducing the styrene content of a poly(arylene ether)/polystyrene blend, and articles comprising the resulting thermoplastic resin A poly(arylene ether)/polystyrene blend may be prepared by melt kneading a carboxylic acid compound, a poly(arylene ether), and a polystyrene to form an intimate blend, and steam stripping the intimate blend, where melt kneading is conducted with a specific energy c... | 01/01/2008 |
| 7311866 | Method for creating a mold for a knee brace and a knee brace Disclosed is a method for producing a three-dimensional composite structure and a method for producing the mold for the three-dimensional composite structure. The mold is formed of at least one rigid die member and a second thermoplastic die member. The second therm... | 12/25/2007 |
| 7311310 | Cylinder head gasket In order to achieve good sealing in both a cold and a warm engine by sealing features which are as simple as possible, an at least substantially metallic cylinder head gasket comprises a gasket plate with only one layer of sheet steel extending over the entire gaske... | 12/25/2007 |
| 7311867 | Method of rapid mold development for swimming pools, spas and ponds A method for fabricating a pool mold comprising the steps of creating a recess, the recess having the general shape and contour of the desired finished pool and is installed with support materials and surface references. A layer of forming material is place over the... | 12/25/2007 |
| 7309755 | Method of producing polycarbonate articles by rotation molding and rotation molded articles made by the method A method for making a polycarbonate article is described wherein the article is made by rotation molding a melt polycarbonate having a weight average molecular weight from 25,000 to about 36,000. The melt polycarbonate is produced by transesterifying a diaryl carbon... | 12/18/2007 |
| 7306755 | Method of fabricating a strap with rotatably mounted clip A strap with rotatably mounted clip fabricated in a single molding operation. The strap includes a strap retention member and a plurality of teeth. The rotatable clip includes a clip member, a pedestal and a head. The pedestal is retained in a pedestal opening forme... | 12/11/2007 |
| 7303712 | Method of injection molding and compressive decoration molding a molded product Injection molding of a product and compressive decoration molding of a surface of the molded product are performed using individual cavity molds. A decorative film can be molded efficiently with a thermosetting coating material under suitable temperature control reg... | 12/04/2007 |
| 7304121 | Liquid-crystalline polyester resin and method for producing it The present invention provides a liquid-crystalline polyester obtainable by a method comprising the steps of: (1) preparing a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): ... | 12/04/2007 |
| 7303715 | Horizontal gel casting device and method A horizontal casting tray with one or more slidable blocks for sealing at least one open end of the tray is provided to accommodate the casting of solidifiable separation media in variable lengths for use in electrophoresis. Methods for using the casting device to p... | 12/04/2007 |
| 7297755 | Shaped articles from cycloaliphatic polyester compositions Disclosed are oriented, shaped articles such as, for example, film, fibers, bottles, and tubes, with excellent strength, toughness, clarity, chemical resistance, and UV resistance. The articles can be prepared from cycloaliphatic polyesters and from compositions com... | 11/20/2007 |
| 7297758 | Method for extending shelf-life of constructs of semi-crystallizable polymers This invention relates to a method of extending the shelf-life of constructs, in particular bioabsorbable stents, comprising semi-crystalline polymers by increasing the crystallinity of the polymers. ... | 11/20/2007 |
| 7297753 | Reduction of permeation through a polymer A method for reducing the permeation rate of a permeable species through a polymeric material includes identifying a solubility-increasing species in the polymeric material having a reversible affinity for the permeable species, and removing or altering at least a p... | 11/20/2007 |