...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7431794 | Process for producing leather-like sheet A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a h... | 10/07/2008 |
| 7402277 | Method of forming metal foams by cold spray technique The present invention relates to a method of forming metallic foams using cold spray processing. The method allows for the formation of metallic foams on existing substrates as a layer. The method includes the steps of providing a substrate for coating of a metallic... | 07/22/2008 |
| 7381442 | Porogens for porous silica dielectric for integral circuit applications The invention relates to the production of nanoporous silica dielectric films and to semiconductor devices and integrated circuits comprising these improved films. The nanoporous films of the invention are prepared using silicon containing pre-polymers and are prepa... | 06/03/2008 |
| 7381441 | Low metal porous silica dielectric for integral circuit applications The invention relates to the production of nanoporous silica dielectric films and to semiconductor devices and integrated circuits comprising these improved films. The nanoporous films of the invention are prepared using silicon containing pre-polymers and are prepa... | 06/03/2008 |
| 7344757 | Method for treating or pretreating containers A process for the treatment or pretreatment of containers made of aluminum, aluminum-containing alloys, magnesium-containing alloys, iron-containing materials such as steel, coated iron-containing materials such as galvanized steel, or aluminum alloys, tinplate, bra... | 03/18/2008 |
| 7329332 | Diaphragm for electrolytic cell Describes a cathode assembly for electrolytic cells, e.g., chlor-alkali electrolytic cells, comprising a foraminous cathode substrate, a deposited erodible mat comprising synthetic (man-made) fibers, e.g., polyamide (nylon) fibers, on the foraminous surface of said ... | 02/12/2008 |
| 7264740 | Process for increasing strength, flexibility and fatigue life of metals A method is described for the surface treatment of metals to improve the strength, flexibility and fatigue life of the metal, which in a preferred embodiment includes the steps of thoroughly cleaning and drying the metal surface, etching the surface of the metal to ... | 09/04/2007 |
| 7232508 | Electrolytic electrode and process of producing the same An electrolytic electrode having an interlayer having more excellent peeling resistance and corrosion resistance and longer electrolytic life than conventional electrolytic electrodes and capable of flowing a large amount of current at the industrial level and a pro... | 06/19/2007 |
| 7118665 | Surface treatment process for enhancing a release rate of metal ions from a sacrificial electrode and a related sacrificial electrode The present invention discloses a surface treatment process for enhancing both the release rate of metal ions from a sacrificial electrode, and the working life of the electrode. A high density of micro pores are formed on the surface of the sacrificial electrode. C... | 10/10/2006 |
| 7078361 | Fuel cell system for low pressure operation This invention is an improved fuel cell design for use at low pressure. The invention has a reduced number of component parts to reduce fabrication costs, as well as a simpler design that permits the size of the system to be reduced at the same time as performance i... | 07/18/2006 |
| 7037557 | Ceramic coating process for pre-insulated piping A high temperature pre-insulated pipe system is shown which can withstand conveyance temperatures in excess of 250° F. The pipe system includes a first and second length of insulated and jacketed pipe. Each pipe length includes an inner metal pipe having an interio... | 05/02/2006 |
| 6977095 | Process for producing rigid reticulated articles A process for producing a rigid reticulated article involves coating a reticulated substrate which has open, interconnected porosity with a first dispersion comprising a ceramic or metal powder to form a first coating thereon; drying the coated reticulated substrate... | 12/20/2005 |
| 6965748 | Drive roller for belt in an electrophotographic image forming apparatus An electrophotographic image forming apparatus comprises a drive roller having a textured finish with a plurality of microscopic protrusions and a plurality of microscopic depressions; the drive roller comprising a shaft and a surface coating on the shaft; a flexibl... | 11/15/2005 |
| 6913064 | Refractory metal core A casting system for forming a gas turbine engine component is provided. The casting system, in a first embodiment, comprises a shaped refractory metal sheet having a plurality of features for forming a plurality of film cooling passages, which features are formed f... | 07/05/2005 |
| 6743471 | Process for preparing insulating material having low dielectric constant The present invention relates to low dielectric materials essential for a semiconductor having high density and high performance of the next generation, particularly to a process for preparing a porous interlayer insulating film having low dielectric constant contai... | 06/01/2004 |
| 6733828 | Method of fabricating nanostructured materials A method of confined synthesis of nanostructured material inside a mesoporous material. The method includes the step of providing mesoporous material having uniform and ordered mesopores. Next, a monolayer of charged functional group is attached on the pore surface ... | 05/11/2004 |
| 6685987 | Enhanced fatigue strength orthopaedic implant with porous coating and method of making same A method for producing an orthopaedic implant having enhanced fatigue strength. A forged implant substrate having an elongated stem is incorporated with a melting point lowering substance. Then, metal particles are sintered to the substrate, forming a por... | 02/03/2004 |
| 6649222 | Modulated plasma glow discharge treatments for making superhydrophobic substrates A method for treating substrates including the steps of: providing a substrate; exposing said substrate to a plasma glow discharge in the presence of a fluorocarbon gas; maintaining said gas at a pressure between about 50 mTorr and about 400 mTorr;... | 11/18/2003 |
| 6509060 | Method for manufacturing filter having ceramic porous film as separating film A method for manufacturing a filter utilizing a porous ceramic membrane as a separation film is provided, comprising the steps of substituting the air inside fine-pores of the porous substrate with a liquid, isolating the porous substrate face to be provi... | 01/21/2003 |
| 6495207 | Method of manufacturing a composite wall A method of manufacturing a composite wall with an open cell metal foam core layer bonded to an inner cladding layer and an outer cladding layer. The method involves: creating a core substrate of open cell gas permeable foam in a chosen shape; impregnatin... | 12/17/2002 |
| 6479099 | Method for manufacturing filter having ceramic porous film as separating film A method for manufacturing a filter utilizing a ceramic porous membrane is provided, comprising the step of depositing a film deposition slurry containing ceramic framework particles on the surface of a porous substrate. The slurry contains an organic pol... | 11/12/2002 |
| 6464933 | Forming metal foam structures A method of fabricating a foamed metal structure using a powder supply of metal particles, comprising: (a) introducing the powder supply along with foaming agent particles into a propellant gas to form a gas/particle mixture stream; (b) projecting the mix... | 10/15/2002 |
| 6409072 | Chemical microreactors and method for producing same Chemical microreactors for chemical systhesis and their methods of manufacture are known, but have disadvantages such as extremely high manufacturing costs or poor flexibility for adaptation to various cases of application. These disadvantages are avoided... | 06/25/2002 |
| 6395794 | Stable, foamed caulk and sealant compounds and methods of use thereof Stable foam caulk, sealant and insulation compositions are disclosed. The compositions comprise solid, waxy non-ionic lipophilic surfactants having low HLB values. These surfactants, upon foamed dispensing of the composition, provide stable support for bu... | 05/28/2002 |
| 6395327 | Enhanced fatigue strength orthopaedic implant with porous coating and method of making same A method for producing an orthopaedic implant having enhanced fatigue strength. A forged implant substrate having an elongated stem is incorporated with a melting point lowering substance. Then, metal particles are sintered to the substrate, forming a por... | 05/28/2002 |
| 6376014 | Dispenser for use with a polyurethane mixing head A spinning cone is positioned directly below a mixing head outlet to dispense and distribute a sticky mixture of polyurethane foam liquid chemical components. The mixing head and cone are reciprocated together across a longitudinally advancing metal strip... | 04/23/2002 |
| 6309742 | EMI/RFI shielding gasket AN EMI/RFI gasket with an open-celled foam substrate having a metal coating on its skeletal structure that is substantially deformable and recoverable. The gasket provides shielding effectiveness of greater than 40 dB.... | 10/30/2001 |
| 6299939 | Method of preparing a diaphragm for an electrolytic cell A method of forming a liquid-permeable asbestos-free diaphragm for use in an electrolytic cell (e.g., a chlor-alkali cell) is described. The method comprises, (a) forming a liquid-permeable diaphragm base mat of asbestos-free material on a foraminous stru... | 10/09/2001 |
| 6284077 | Stable, foamed caulk and sealant compounds and methods of use thereof Stable foam caulk, sealant and insulation compositions are disclosed. The compositions comprise solid, waxy non-ionic lipophilic surfactants having low HLB values. These surfactants, upon foamed dispensing of the composition, provide stable support for bu... | 09/04/2001 |
| 6228437 | Method for modifying the properties of a freeform fabricated part The present invention is a process for modifying the properties of a porous freeform fabricated part by increasing its density and reducing its porosity. The porosity and density of a freeform fabricated part are altered by packing the pores in a freeform... | 05/08/2001 |
| 6159542 | Process for producing a membrane for separating a mixture There is provided a process for producing an acid-resistant membrane for separating a mixture, which is used for separation of a liquid and/or gas mixture by pervaporation, vapor permeation etc. The process for producing a membrane for separating a mixtur... | 12/12/2000 |
| 6113824 | Process for surface treating a fluorine-containing resin molded article Fluorine-containing resin molded article including a molded article of a fluorine-containing resin composition containing 0.1 to 30% by weight of a carbon material, a surface of said molded article being fluorinated. The fluorine-containing resin molded a... | 09/05/2000 |
| 6066591 | Reactive medium for purifying fluids A method for forming a reactive medium for removing homogenous and heterogeneous impurities from a fluid is provided which includes forming a uniform oxide layer on all exposed surfaces of a porous metal substrate, depositing at least one layer of carbon ... | 05/23/2000 |
| 6059944 | Diaphragm for electrolytic cell A method of forming a liquid-permeable asbestos-free diaphragm on a cathode structure is described. The method comprises forming a liquid-permeable diaphragm base mat comprising fibrous synthetic polymeric material, e.g., polytetrafluoroethylene, on a cat... | 05/09/2000 |
| 5980986 | Phase separation apparatus A method of coating an ormocer (organically modified ceramic) on a phase separation surface of a roller of a phase separation apparatus to facilitate phase separation.... | 11/09/1999 |
| 5976621 | Phase separation apparatus A method of coating an ormocer (organically modified ceramic) on a phase separation surface of a filter of a phase separation apparatus to facilitate phase separation.... | 11/02/1999 |
| 5912072 | Process of reducing wet pressure drop in a limiting orifice drying medium and a limiting orifice drying medium made thereby An apparatus for drying a cellulosic fibrous structure. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a relatively low pressure... | 06/15/1999 |
| 5871650 | Supported zeolite membranes with controlled crystal width and preferred orientation grown on a growth enhancing layer The present invention is directed toward a new zeolite membrane which exhibits a columnar cross-sectional morphology and preferred crystallographic orientation comprising a porous substrate having coated thereon a mesoporous growth enhancing layer and a l... | 02/16/1999 |
| 5868810 | Filtering cartridge A filtering cartridge made of compacted and sintered particles is manufactured from a powder consisting of chromium or a chromium alloy with at least 70% Cr by weight and a particle size of the chromium particles between 160 μm and 500 μm. Filtering car... | 02/09/1999 |
| 5829139 | Method for forming a reactive medium A method for forming a reactive medium for removing homogeneous and heterogeneous impurities from a fluid is provided. The method includes forming a uniform oxide layer, depositing at least one layer of carbon, depositing a precursor metal species, and he... | 11/03/1998 |