...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7998569 | Composite article and fabrication method A refractory metal composite article includes a refractory metal ceramic section and a refractory metal ceramic coating disposed directly adjacent to the refractory metal ceramic section. The refractory metal ceramic section and the refractory metal ceramic coating ... | 08/16/2011 |
| 7666496 | Micro-sintered node ePTFE structure The ePTFE structure includes an ePTFE structure which has a node and fibril micro-structure. The micro-structure includes specific nodes which are connected to the fibrils. One or more of the specific nodes are sintered and the fibrils are un-sintered. A method for ... | 02/23/2010 |
| 7429418 | Porous friction material comprising nanoparticles of friction modifying material A friction material which includes a porous base material, at least one type of resin material, and at least one type of nanoparticle-sized friction modifying particle, is disclosed. The resin material and the nanoparticle-sized friction modifying particles are subs... | 09/30/2008 |
| 7413999 | Corner fitting using fiber transfer A corner fitting and a method of forming a corner fitting including steps of providing a flat woven fabric including a first woven portion having first and second direction woven fibers, a second woven portion adjacent the first woven portion having first direction ... | 08/19/2008 |
| 7319078 | Porous fibrous structure and process for producing the same A novel porous fibrous structure containing from 10 to 100% by weight of wet heat bonding fibers, having cellular cavities in the fibrous structure of the fibers, in which a plurality of indefinite cellular cavities are present independently or in a state of partial... | 01/15/2008 |
| 7276287 | Melt-processible poly(tetrafluoroethylene) Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described. ... | 10/02/2007 |
| 7264861 | Abrasion-resistant composites with in-situ activated matrix resin A composite sheet is disclosed. The composite sheet comprises an open random fibrous web having substantially vertical fibers near a top surface, a first binder resin and a second binder resin, wherein the first binder resin has a melting point lower than the meltin... | 09/04/2007 |
| 7258914 | Porous membrane and method for manufacturing the same The object of the present invention is to provide a porous membrane having a high strength and excellent water permeability and rejection properties. The porous membrane of the present invention has both a three-dimensional network structure and a spherical structur... | 08/21/2007 |
| 7250387 | Filter system The present invention is an improved filtration system, filtering method and unique chemical composition for capturing mercury and other pollutants in flue gases generated by process gas streams. The improved filtration system may take various forms depending on the... | 07/31/2007 |
| 7211143 | Sacrificial template method of fabricating a nanotube Methods of fabricating uniform nanotubes are described in which nanotubes were synthesized as sheaths over nanowire templates, such as using a chemical vapor deposition process. For example, single-crystalline zinc oxide (ZnO) nanowires are utilized as templates ove... | 05/01/2007 |
| 7169465 | Low expansion metal-ceramic composite bodies, and methods for making same A low CTE metal-ceramic composite material featuring carbon fibers reinforcing a matrix featuring silicon metal or silicon alloy. The fibers have a low coefficient of thermal expansion (CTE) in the axial direction, and preferably negative. The principles of making S... | 01/30/2007 |
| 7163601 | Method of making architectural fabric An article having (a) a layer of fabric having a first surface and a second surface made of polytetrafluoroethylene fibers; and (b) a first composite comprising (i) a porous PTFE film having interconnected passages and pathways and (ii) a fluoropolymer adhesive, whe... | 01/16/2007 |
| 7145221 | Low moisture absorptive circuitized substrate, method of making same, electrical assembly utilizing same, and information handling system utilizing same A circuitized substrate comprising a first layer comprised of a dielectric material including a low moisture absorptive polymer resin in combination with a nodular fluoropolymer web encased within the resin, the resulting dielectric layer formed from this combinatio... | 12/05/2006 |
| 7140496 | Multilayer microporous membrane A multilayer microporous membrane containing a thermoplastic resin, comprising a coarse structure layer with a higher open pore ratio and a fine structure layer with a lower open pore ratio, wherein said coarse structure layer is present at least in one membrane sur... | 11/28/2006 |
| 7141519 | Ion triggerable, cationic polymers, a method of making same and items using same The present invention is directed to ion triggerable, water-dispersible cationic polymers. The present invention is also directed to a method of making ion triggerable, water-dispersible cationic polymers and their applicability as binder compositions. The present i... | 11/28/2006 |
| 7132156 | Preform for composite material and aluminum composite material having the preform for composite material and a manufacturing method of the same A preform for the composite material and an aluminum composite material which can form a composite material has excellent abrasion resistant property and high strength and a manufacturing method of the same are disclosed. A pre-mixture 9 comprising aluminum b... | 11/07/2006 |
| 7070854 | Water-dispersible, cationic polymers, a method of making same and items using same The present invention is directed to triggerable, water-dispersible cationic polymers. The present invention is also directed to a method of making triggerable, water-dispersible cationic polymers and their applicability as binder compositions. The present invention... | 07/04/2006 |
| 7063886 | Thermostructural composite structure with a compositional gradient and its manufacturing process Thermostructural composite structure having a compositional gradient, formed from a porous core (5) made of a refractory having a pore volume content of greater than or equal to 80%. The core (5) lies between two intermediate layers (6a, ... | 06/20/2006 |
| 7045207 | Friction bodies comprising metal-infiltrated, fiber-reinforced porous carbon Friction bodies made of a fiber-reinforced porous carbon material in which the reinforcing fibers are present in the form of woven fabrics, short fibers and/or long fibers and whose pores are filled with metals, wherein carbides of the metals filling the pores are p... | 05/16/2006 |
| 6974624 | Aligned composite structures for mitigation of impact damage and resistance to wear in dynamic environments Fibrous monolith composites having architectures that provide increased flaw insensitivity, improved hardness, wear resistance and damage tolerance and methods of manufacture thereof are provided for use in dynamic environments to mitigate impact damage and increase... | 12/13/2005 |
| 6902798 | High temperature gas seals A flexible seal for use in a solid oxide fuel cell stack is formed from a fiber matrix impregnated with a plurality of solid particles. The fibers and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by dipping the ... | 06/07/2005 |
| 6875711 | Friction material with friction modifying layer having symmetrical geometric shapes A friction material has a first layer of a base material and a second layer of at least one type of friction modifying particle having substantially symmetrical geometric shapes on a top surface of the base material. The second layer has an average thickness of abou... | 04/05/2005 |
| 6863971 | Strong durable low cost composite materials made from treated cellulose and plastic The present invention concerns treated fibrous porous material having a defined nanostructure comprising reactive sites thereon, wherein said fibrous porous material is treated with a low viscosity organic solution comprising organic solvent, isocyanate component un... | 03/08/2005 |
| 6828014 | Water-dispersible, cationic polymers, a method of making same and items using same The present invention is directed to triggerable, water-dispersible cationic polymers. The present invention is also directed to a method of making triggerable, water-dispersible cationic polymers and their applicability as binder compositions. The present invention... | 12/07/2004 |
| 6811863 | Anti-marking coverings for printing presses In a printing press and attached onto the transfer cylinders, an anti-marking system that uniformly supports the transport and the release of the wet printed sheet from one station to the next. The anti-marking sheet consists of a two plus layer system, the outer la... | 11/02/2004 |
| 6780497 | Surface modified expanded polytetrafluoroethylene devices and methods of producing the same Improved processes for surface treating expanded polytetrafluoroethylene (PTFE) is disclosed and improved surface-treated devices made from the processes. The processes employ a laser to surface-modify an expanded PTFE structure to create a macro-roughened surface t... | 08/24/2004 |
| 6753061 | Flexible sandwich panel with honeycomb structure A flexible sandwich panel (100), comprised of a center layer (1) and one or two outer layers (2; 3), where the center layer is made of a polymeric synthetic material, is itself flexible and exhibits a coarse-cell honeycomb structure with open ce... | 06/22/2004 |
| 6740607 | Substrate with stretch and heat sealing properties to make a multidirectional restraint module design The invention is directed to coating a plurality of polyurethane films onto a stretchable knit fabric substrate and heat sealing such substrates together to yield an air curtain or air bag having improved air-holding properties. ... | 05/25/2004 |
| 6709737 | Aligned composite structures for mitigation of impact damage and resistance to wear in dynamic environments Fibrous monolith composites having architectures that provide increased flaw insensitivity, improved hardness, wear resistance and damage tolerance and methods of manufacture thereof are provided for use in dynamic environments to mitigate impact damage and increase... | 03/23/2004 |
| 6699604 | Protective coating including porous silicon nitride matrix and noble metal A turbomachine component includes a silicon nitride substrate and a protective coating on the substrate. The protective coating includes a porous silicon nitride matrix and a noble metal infiltrated in the porous silicon nitride matrix.... | 03/02/2004 |
| 6656974 | Foam materials An absorbent foam material which comprises a solid, cross-linked form of an anionic polymer (e.g. an alginate) and fibers or other cation contributing polymeric particulates which have donated appropriate cations for effecting cross-linking of the anionic... | 12/02/2003 |
| 6613703 | Thermoplastic nonwoven web chemically reacted with a cyclodextrin compound A cyclodextrin-modified thermoplastic porous layer material is prepared by coating the surface of a fibrous nonwoven web, open-celled foam, porous film or the like with a chemical composition including a cyclodextrin compound, and then irradiating the coa... | 09/02/2003 |
| 6613203 | Ion conducting membrane having high hardness and dimensional stability An integral composite membrane comprised of an expanded polytetrafluoroethylene having a morphological structure comprising a microstructure of very highly elongated nodes interconnected by fibrils is imbibed with ionomer. This composite membrane shows a ... | 09/02/2003 |
| 6602567 | Micrometer-sized carbon tubes A carbon tube containing a carbonized tube wall. The tube wall is consisted of carbonized coating material and trace of fiber residue, and the carbonized coating material is prepared according to a process including the steps of: (a) coating a fiber struc... | 08/05/2003 |
| 6554881 | Filter media A filter media having a synthetic microfiber polymer fine fiber web wherein the diameter of the fibers is between about 0.8 to about 1.5 microns. The filter media is acceptable for use in ASHRAE applications. Constructions with a low DP backing, support o... | 04/29/2003 |
| 6528153 | Low dielectric constant porous materials having improved mechanical strength The present invention relates to porous materials, typically xerogels or aerogels, having a low dielectric constant but relatively poor mechanical strength. The present invention relates to polymeric coatings, preferably parylene, coated on inorganic xero... | 03/04/2003 |
| 6468645 | Molding finely powdered lignocellulosic fibers into high density materials A molded fiber product is made from plant fibers containing lignin. Plant fibers ranging in size below 0.5 mm are used. Binding agents and other additives may be mixed with the fibers to enhance product or process performance. The plant fiber mixture of f... | 10/22/2002 |
| 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 |
| 6447917 | Friction material A friction material for brake including reinforcing fibers, a friction modifier, a lubricant, and a binder, characterized by containing, as a part of the component of the friction modifier, 2 to 5 wt % zeolite, 0.8 to 2 wt % antimony oxide and 0.2 to 1 wt... | 09/10/2002 |
| 6387230 | Composite membrane suitable for use in electrochemical devices The invention relates to novel inorganic-organic composite membranes especially useful as ionically conducting in electrochemical devices. The composites consist of a polymeric matrix, which may or may not be an ionic conductor in its unfilled form, fille... | 05/14/2002 |