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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7443998 | Speaker diaphragm and manufacturing method thereof A speaker diaphragm which has a high rigidity and can improve sound transmission speed for better sound quality is provided. The speaker diaphragm contains fibers of 3 to 50 mm length mixed in matrix resin. The fibers are oriented radially from center to periphery i... | 10/28/2008 |
| 7361617 | Fire resistant composite material and fabrics therefrom The present invention relates to fire resistant composite materials and to fire resistant fabric materials and mattresses made therefrom. The composite materials include (a) a substrate selected from the group consisting of cotton, rayon, lyocell and blends thereof;... | 04/22/2008 |
| 7347895 | Flexible hydraulic compositions A composition for making flexible articles includes a hydraulic component of at least 50 weight % fly ash, a water-soluble, film-forming polymer and water. Articles are made from this composition by making a slurry of the components, forming the article and allowing... | 03/25/2008 |
| 7341963 | Non-woven material with barrier skin A non-woven material including first effect fibers, first binder fibers, second binder fibers, and bulking fibers. The non-woven material has a first planar zone with an exterior skin, and a bulking zone. The first planar zone includes a greater concentration of fir... | 03/11/2008 |
| 7338915 | Ropes of single-wall carbon nanotubes and compositions thereof This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes preferentially form in the vapor and the one or more Group VIII transition meta... | 03/04/2008 |
| 7320743 | Method of making a tissue basesheet A method of imparting bulk and/or visual aesthetics to a tissue basesheet involves pressing the basesheet with a felt having a raised pattern on it so that the pattern becomes inherent in the sheet. A pattern is stitched into a carrier layer which is joined to a sub... | 01/22/2008 |
| 7229938 | Heat and flame shield A heat and fire resistant planar unitary shield formed of heat and flame resistant fibers and voluminous bulking fibers. The shield material has a heat and flame resistant zone with a majority of the heat and flame resistant fibers, and a voluminous bulking zone wit... | 06/12/2007 |
| 7226656 | Thermoformable acoustic sheet A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel... | 06/05/2007 |
| 7220340 | Paper machine clothing and method for its manufacture The invention concerns a porous paper machine clothing (1) for dewatering a paper web in a paper machine, having a yarn layer made up of at least one ply (2) of longitudinal yarns (3) and at least one ply (4) of transverse yarns (5, 6,... | 05/22/2007 |
| 7179761 | Vapor barrier A bituminous water vapor retarder is disclosed of the type which can be used under concrete slabs in contact with soil or granular fill. The vapor barrier is a multi-ply weather coated permanently bonded semi-flexible bituminous core board composed of the homogeneou... | 02/20/2007 |
| 7169719 | Universal fleecebacked roofing membrane The invented product is a fleecebacked laminate that is suitable as a single-ply fleecebacked roofing membrane. The laminate consists of the following: 1) a thermoplastic reinforced planar sheet, 2) a needle punched fleece formed on both sides of the thermoplastic r... | 01/30/2007 |
| 7153794 | Heat and flame shield A heat and fire resistant planar unitary shield formed of heat and flame resistant fibers and voluminous bulking fibers. The shield material has a heat and flame resistant zone with a majority of the heat and flame resistant fibers, and a voluminous bulking zone wit... | 12/26/2006 |
| 7150837 | Isotropic pitch-based materials for thermal insulation Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a binder comprising a solution of sugar in water. The sugar solution is pre... | 12/19/2006 |
| 7144479 | Method for increasing press fabric void volume by laser etching A method whereby a water permeable press fabric is given greater dewatering and drainage capacity by providing voids which are reservoirs of minimum pressure available to accept water. ... | 12/05/2006 |
| 7101599 | Method to increase bond strength and minimize non-uniformities of woven two-layer multiaxial fabrics and fabric produced according to same A papermaker's fabric formed of a woven fabric strip. The fabric strip has a width less than a width of the papermaker's fabric, a main portion that is in the form of a multi-layer weave, and two lateral edges that are in the form of weaves having fewer layers than ... | 09/05/2006 |
| 7017352 | Cooling of extruded and compression molded materials The present invention relates to a system and a method for cooling extruded and molded materials. The present invention is especially useful to thoroughly cool an extrudate by directing a cooling fluid toward a surface of the extrudate (e.g., an interior surface tha... | 03/28/2006 |
| 6971211 | Cellulosic/polymer composite material The present invention is a component such as a siding panel that may be comprised of various formulations of cellulosic/polymer composite materials. One embodiment of the present invention is a siding panel that is comprised of a cellulosic/PVC composite material. T... | 12/06/2005 |
| 6958185 | Multilayer synthetic wood component A multilayer synthetic wood component comprised of a layer of a first synthetic wood composition that is secured to a layer of a second synthetic wood composition. As a result, the present invention may provide a component that utilizes the beneficial characteristic... | 10/25/2005 |
| 6936329 | Fastener-free composite roofing product A fastener-free composite roofing product comprising a roofing material and an interply material attached to the roofing material, wherein the interply material includes an adhesive coating on one side. The interply material is attached adjacent to an edge of the ro... | 08/30/2005 |
| 6914022 | Reusable surface insulation containing polybenzazole A lightweight, flexible, layered insulation composed of glass or ceramic fabric covered with a ceramic coating and overlying an insulating felt made from needled polybenzazole (PBZ) material which is preferably polybenzoxazole (PBO), and which optionally contains a ... | 07/05/2005 |
| 6846759 | Adhesive coated polyester felt A method of making a soft, well cushioned, fabric suitable for use in an automotive interior, furniture and upholstery. The fabric which is formed by depositing a coating of a high temperature adhesive having a viscosity of 6×104 to 75×104 ce... | 01/25/2005 |
| 6846545 | Impact absorbing material A material to reduce the effects of trauma received from the impact of a projectile. One embodiment is a needle-punched, non-woven material including at least one type of ballistic fibers selected and oriented to provide a cushioning effect and maintain a high compr... | 01/25/2005 |
| 6774068 | Thermoplastic felt structure for automobile interior substrate Disclosed is a thermoplastic felt structure for an automobile interior substrate, comprising a pair of mat units, each mat unit having a felt layer which is made by a mixture of a jute fiber and a PP fiber mixed in the weight ratio of about 5 to 5˜6 to 4 and a PP f... | 08/10/2004 |
| 6770582 | Adhesive coated polyester felt A composite laminate suitable for use in upholstery, automotive interiors and the like, which is made of a polyester felt substrate, an adhesive coating is contained on said felt substrate which obviates the need for a barrier layer for a vinyl laminate, with a viny... | 08/03/2004 |
| 6708456 | Roofing composite A roofing composite comprising a roofing material and an interply material attached to the roofing material. The interply material is attached adjacent to an edge of the roofing material and is scored to permit a major portion of the interply material to be folded a... | 03/23/2004 |
| 6610619 | Patterned felts for bulk and visual aesthetic development of a tissue basesheet A method of imparting bulk and/or visual aesthetics to a tissue basesheet involves pressing the basesheet with a felt having a raised pattern on it so that the pattern becomes inherent in the sheet. A pattern is stitched into a carrier layer which is join... | 08/26/2003 |
| 6586353 | Roofing underlayment The present invention relates to a roofing underlayment system comprising two layers of a coated structural article which comprises a substrate having an ionic charge coated with a coating having essentially the same ionic charge or one layer of such coat... | 07/01/2003 |
| 6579813 | Oil application apparatus An oil application apparatus comprising a porous oil-holding member, a heat-resisting fiber felt, and an oil application amount control layer. The porous oil-holding member is impregnated with silicone oil. The heat-resisting fiber felt has a bending resi... | 06/17/2003 |
| 6555490 | Lining material The invention features a lining material for footwear. The material includes a non-woven felt including up to 80% by weight of grooved or multi-lobed cross section transport fibers and the remainder of thermally bondable fibers arranged to secure the tran... | 04/29/2003 |
| 6514889 | Sound and thermal insulating non-woven synthetic sheet material A non-woven synthetic sheet material for use in sound insulation and/or thermal insulation is described. The sheet material is a felt or mat of substantially uniform synthetic fiber thickness and defines opposed flat surfaces. The sheet material is needle... | 02/04/2003 |
| 6479414 | Textile machine felt A textile machine felt, which can be used, for example, as a compacting felt on machines for rendering textiles shrinkproof, consists of a ground textile (1) and a felt layer (2) which is stitched thereon and comprises at least in its surface region an el... | 11/12/2002 |
| 6468930 | Cardable blends of dual glass fibers Dual glass fibers can be processed into coherent webs and felts by first blending the dual glass fibers with an equal or greater amount of uncrimped fibers. Optionally, other crimped fibers can be added without significant impact on processibility.... | 10/22/2002 |
| 6455450 | Paper machine felt A paper machine felt having at least one nonwoven layer made of plastic fibers, wherein there is present in the nonwoven layer or in at least one of the nonwoven layers a fiber combination in which a portion of the plastic fibers is made of a material A t... | 09/24/2002 |
| 6440881 | Paper machine felt Paper machine felt for use in a papermaking machine, and especially at the press section, incorporates an adhesive which takes up the draw forces on the seam joint between the stepped surfaces of the ends of the belt when mated together to form a continuo... | 08/27/2002 |
| 6398910 | Decorative wet molding fabric for tissue making Tissue products such as facial tissue, bath tissue, paper towels and the like are wet molded and dried using a through-air-drying fabric which has a three dimensional, sculptured, textured background accentuated with decorative signature patterns. The tex... | 06/04/2002 |
| 6395656 | Protective glove with multiple layer construction A multi-layer protective glove fabric comprises a base cloth layer, a second stretchable cloth layer overlying the base layer, a third latex layer coated on the base layer and a fourth wax layer over the third latex layer to prevent the latex coating laye... | 05/28/2002 |
| 6365532 | Cardable blends of dual glass fibers Dual glass fibers can be processed into coherent webs and felts by first blending the dual glass fibers with an equal or greater amount of uncrimped fibers. Optionally, other crimped fibers can be added without significant impact on processibility.... | 04/02/2002 |
| 6346491 | Felt having conductivity gradient The present invention relates to an electromagnetically conductive textile fabric comprising conductive fibers arranged to provide a conductivity gradient through its thickness. The fibers may be intrinsically conductive or coated with a conducting materi... | 02/12/2002 |
| 6309721 | Flexible protective sleeve A sleeve having a longitudinally extending slit for covering wires or tubing is provided with a support layer of a continuous monofilament of formable metal wire or heat-settable monofilament formed into a multiplicity of spaced apart reversely bent crest... | 10/30/2001 |
| 6283165 | Machine felt and process for its production The machine felt includes an insert having two sides and two ends, a layer of aligned longitudinal threads enclosing the two sides and two ends of the insert and coupling eyes formed by the layer of aligned longitudinal threads enclosing the two ends of t... | 09/04/2001 |
