Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8137603 | Bioabsorbable polymeric composition for a medical device A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also... | 03/20/2012 |
| 7727441 | Method for producing tissue scaffold having aligned fibrils A tubular tissue scaffold is described which comprises a tube having a wall, wherein the wall includes biopolymer fibrils that are aligned in a helical pattern around the longitudinal axis of the tube where the pitch of the helical pattern changes with the radial po... | 06/01/2010 |
| 7588708 | Spiral-webbed mandrel An mandrel for extrusion of hollow bodies, such as, polyvinyl chloride (PVC) hard, compact, and foamed pipes, includes an inner collar and an outer collar, and webs radially joining the inner collar and outer collar. The webs can be arranged twisted and/or offset in... | 09/15/2009 |
| 7410602 | High flow rate dialysis catheters and related methods High flow rate catheters, and related methods, are useful in dialysis and other procedures. A catheter according to the invention comprises a hub and a generally elongated conduit. The conduit has a substantially continuous and smooth wall. The conduit also defines ... | 08/12/2008 |
| 7393483 | Process for production of poly(m-phenyleneisophthal-amide) porous hollow fiber membrane A polymetaphenylene isophthalamide porous hollow fiber membrane is produced by extruding a film-forming solution comprising polymetaphenylene isophthalamide, polyvinylpyrrolidone and an inorganic salt through a concentric double annular spinning nozzle while keeping... | 07/01/2008 |
| 7351338 | Porous membrane of vinylidene fluoride resin and process for producing the same There is provided a porous membrane of vinylidene fluoride resin which has pores of appropriate size and distribution and also excellent mechanical strength represented by tensile strength and elongation at break and is useful as a microfiltration membrane or a sepa... | 04/01/2008 |
| 7303609 | Manufacture of polyimide-hollow fibres A process for the manufacture of a polyimide hollow fibre comprising: (i) providing a dope solution comprising one or more polyimides dissolved in a solvent comprising 60-100 wt % N-methylpyrollidone and 0-40 wt % ethanol, (ii) providing a bore fluid, (iii) generati... | 12/04/2007 |
| 7226541 | Membrane polymer compositions The invention relates to a terpolymer of tetrafluoroethylene (TFE) monomer, polyvinylidene fluoride (PVDF) monomer and hexafluoropropylene (HFP) monomer for forming an ultrafiltration or microfiltration membrane, method of forming said membranes, and to the ultrafil... | 06/05/2007 |
| 7182870 | Hollow fiber membrane and method of producing the same A method of producing a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and a poor solvent at a temperature above a phase separation temperature into a cooling bath at a temperature below the p... | 02/27/2007 |
| 7169178 | Stent with drug coating Coatings for stents that include a polymer and a drug are provided. A method of forming the coatings is also provided. ... | 01/30/2007 |
| 7141197 | Grip element A grip element having a soft, compressible and deformable outer layer supported by an underlying support structure sufficiently rigid to maintain a receiving channel of the grip element in an open configuration. The support structure facilitates manipulation of the ... | 11/28/2006 |
| 7128853 | Method and apparatus for manufacturing a rubber sheet containing short fibers A method and apparatus for manufacturing a rubber sheet containing short fibers. The method includes the steps of: mixing short fibers in a flowable rubber matrix; forming the flowable rubber matrix with the fibers therein into a cylindrical shape with a circumferen... | 10/31/2006 |
| 7060151 | Method of manufacturing a reinforced hose A method of manufacturing a hose includes the step of extruding a tube assembly comprising (i) a first inner non-foamed layer, (ii) a first outer non-foamed layer positioned around the first inner non-foamed layer, and (iii) a first foamed layer interposed between t... | 06/13/2006 |
| 7014808 | Method and apparatus for coating the interior surface of a straw A coating device for coating an interior surface of a continuous tube of material with a fluid. The coating device includes an extruder die for forming the continuous tube of material and a fluid delivery system. The fluid delivery system is positioned within the ex... | 03/21/2006 |
| 7008204 | Rotating extrusion die with spray nozzle An extrusion die for extruding biodegradable material, the extrusion die comprising: a mandrel; a nozzle extending from the mandrel; an outer member positioned near the mandrel; an extrusion orifice between the mandrel and the outer member; a member in communication... | 03/07/2006 |
| 6998075 | Method for casting of concrete products A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the... | 02/14/2006 |
| 6974516 | Method of making laminate thin-wall ceramic tubes and said tubes with electrodes, particularly for solid oxide fuel cells A method of fabricating a ceramic tube with electrodes thereon suitable for use as a tubular reaction chamber for a fuel cell. In one embodiment, the method includes wrapping a first electrode material around a mandrel, then wrapping a green ceramic material over th... | 12/13/2005 |
| 6969476 | Method for casting a concrete product A method is disclosed for casting a concrete product using two or more different grades of concrete mix, in which method predetermined amounts of different grades of concrete mix are delivered at appropriate instants into the feeder hopper of the slip-form casting m... | 11/29/2005 |
| 6955661 | Expandable fluoropolymer device for delivery of therapeutic agents and method of making A radially expandable fluid delivery device for delivering a fluid to a treatment site within the body is disclosed. The fluid delivery device is constructed of a microporous, biocompatible fluoropolymer material having a microstructure that can provide a controlled... | 10/18/2005 |
| 6942648 | Catheter with a transparent shaft An intraluminal catheter having at least a section of the catheter shaft being relatively transparent, and the method of manufacture thereof. In a presently preferred embodiment, the intraluminal catheter is a balloon catheter having a transparent shaft section form... | 09/13/2005 |
| 6939495 | Thermoprocessable copolymers of TFE A thermoprocessable copolymer of TFE essentially formed by: (a) from 4.5 to 8.5% by weight of perfluoromethylvinylether (PMVE); (b) from 0.3 to 1.6% by weight of a perfluorodioxole of formula: ... | 09/06/2005 |
| 6936203 | Closed die array for multi-layered articles An array of dies having a closed configuration is used in a method and apparatus for making a closed composite article that comprises multilayered materials. In the method and apparatus, at least two extruders are used to extrude at least two material streams throug... | 08/30/2005 |
| 6932584 | Infusion device and driving mechanism and process for same with actuator for multiple infusion uses A drive mechanism for delivery of infusion medium a coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. An armature is located adjacent the coil, on one side of the ax... | 08/23/2005 |
| 6923187 | Mascara brush with Z-shaped bristle fibers An improved mascara brush has a typical twisted wire core containing bristles of Z-Shaped cross-section. The Z-shaped cross-section may be a conventional Z-shape; or it may be square or rectangular thereby defining a cross-section of discontinuous square, diamond or... | 08/02/2005 |
| 6911165 | Method for fabricating concrete slabs using a horizontal slip casting process A method is provided for fabricating a concrete slab in a substantially horizontal slip casting process method, concrete mix is fed into a mold through a delimited cross section moving progressively in the casting process so as to form a concrete product of a desire... | 06/28/2005 |
| 6903162 | Preparation of polyethylene films A process for preparing polyethylene thin films is disclosed. The process comprises extruding a blend that comprises a linear low density polyethylene (LLDPE) and a high molecular weight, high density polyethylene (HMW-HDPE) or high molecular weight, medium density ... | 06/07/2005 |
| 6878315 | Method and apparatus for casting a concrete product A method and apparatus are for fabricating a concrete product in a slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to obtain a concrete product of a des... | 04/12/2005 |
| 6871948 | Discharging roller, method of manufacturing the same, and recording apparatus incorporating the same In order to manufacture a discharging roller which discharges a recording medium from a recording apparatus, there are a first die formed with a first recess extending in an axial direction of a shaft portion of the discharging roller, and a second die formed with a... | 03/29/2005 |
| 6866735 | Method of manufacturing a tire tube To provide a tire tube having excellent sealing performance and durability. An inside of a tire includes a peripheral wall having an approximately circular cross-section which is partitioned by a partition wall into an outer peripheral side sealant chamber and an in... | 03/15/2005 |
| 6863861 | Process for forming a medical device balloon A balloon blowing process which involves radial expansion of an extruded tubing segment which has been subjected to a stretching step prior to radial expansion, the process utilizing an internal pressure and a temperature which together cause at least a portion of t... | 03/08/2005 |
| 6849211 | Method for fabricating a concrete product A method is provided are for fabricating a concrete product in a substantially horizontal slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to give a conc... | 02/01/2005 |
| 6841100 | Method for casting a concrete product A method is disclosed for casting a concrete product, in which method the concrete product is cast in an essentially horizontal slipform casting process during which the top surface height and profile of the concrete product being cast is measured continually. Based... | 01/11/2005 |
| 6841110 | Method and plant for manufacturing prestressed concrete products A method for the production of prestressed concrete products and a plant for implementing the method. Moulds provided with pretensioned wires are moved through fixed casting machines into a hardening space. In the hardening space, the combination of mould and produc... | 01/11/2005 |
| 6827892 | Method of preparing thin-walled articles A polymeric binder system and method of making, and a method for extruding thin-walled articles such as thin-walled tubes is provided. The extrusion method comprises providing a polymeric binder system comprising a substantially homogeneous solution of a polymeric b... | 12/07/2004 |
| 6821609 | Extrusion die for making hollow-chamber profiled panels of thermoplastic plastic with interior coextruded layer An extrusion die has a distributing tool; a profiling nozzle; and at least three melt-flow ducts; a first melt-flow duct is routed around a second melt-flow duct or the distributing tool using a branch and is merged again downstream from the branch; and a third melt... | 11/23/2004 |
| 6802973 | Microporous hollow fiber membranes from perfluorinated thermoplastic polymers High flux porous hollow fiber membranes are produced from perfluorinated thermoplastic polymers by extruding heated solution of the polymer having a lower critical solution temperature directly into a cooling bath to form the porous membrane by liquid-liquid phase s... | 10/12/2004 |
| 6803082 | Methods for the late introduction of additives into polyethylene terephthalate The invention is a method for the late introduction of additives into polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalate, t... | 10/12/2004 |
| 6802972 | Microporous hollow fiber membranes from perfluorinated thermoplastic polymers High flux porous hollow fiber membranes are produced from perfluorinated thermoplastic polymers by extruding a heated solution of the polymer having a lower critical solution temperature directly into a cooling bath to form the porous membrane by liquid-liquid phase... | 10/12/2004 |
| 6787095 | Process for manufacturing polybutylene terephthalate (PBT) catheter balloons A processing technique and a composition which allow compositions of PBT polymers or copolymers to be formed into blow molded articles, especially medical balloons such as dilatation or stent placement balloons, from extruded tubular parisons. The process includes a... | 09/07/2004 |
| 6787216 | Method for manufacturing multiple channel membranes, multiple channel membranes and the use thereof in separation methods A method for manufacturing multiple channel membranes includes extruding a polymer solution through an extrusion nozzle wherein several needles are arranged through which a gas or liquid containing a coagulating agent is injected during extrusion, wherein the outer ... | 09/07/2004 |
