Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8145193 | Session key management for public wireless LAN supporting multiple virtual operators A method and apparatus for managing a session key for allowing a mobile terminal to access a wireless local area network (WLAN). The invention provides for establishing a first secure channel between an access point and a virtual operator, and suggesting a session k... | 03/27/2012 |
| 8130617 | Method of controlling playback condition, optical disk, optical disk drive device and program Playback durability of a writable optical disk is ensured. A method of controlling a playback condition includes continuously irradiating an optical disk with a laser beam having a power level lower than a mark formation level and detecting a change of a state of a ... | 03/06/2012 |
| 8112099 | Anonymous positioning of a wireless unit for data network location-based services This invention concerns a process and a system for providing location information for a wireless unit in a wireless network to a location-based service provider, using a data network. In particular, the location information is provided to the location-based service ... | 02/07/2012 |
| 8098554 | Tilt detecting device and method An information recording and/or reproducing apparatus includes an optical head, an analog signal processor, an analog/digital converter, a controller and a digital/analog converter. The optical head is used for emitting a light beam on a medium and receiving a refle... | 01/17/2012 |
| 8081555 | Method for evaluating read signal A method for evaluating a read signal obtained by irradiating a medium with a laser beam through an objective lens and reading data from the reflected laser beam by a PRML detection method is provided. The method includes: a sampling step of sampling the data obtain... | 12/20/2011 |
| 8078164 | Mobile telephone VOIP/cellular seamless roaming switching controller A nomadic server and a related system provides seamless roaming for a mobile communication device between different types of wireless networks, such as WiFi and cellular networks for voice, data and video communication. Use of the nomadic server enables a combinatio... | 12/13/2011 |
| 8064159 | Current perpendicular to plane (CPP) magnetic read head One general embodiment of the present invention is a magnetic read head including a magnetoresistive sensor where sense current flows in a stacking direction of the magnetoresistive sensor, i.e., perpendicular to the plane of the layers of the head. The magnetoresis... | 11/22/2011 |
| 8064307 | Reproducing device, reproducing method and program used in the same There is provided, according to the present invention, a reproducing device capable of preventing illegal duplication and reproduction, as well as of reproducing content without degrading the quality of the audio and visual contents. The reproducing device ( | 11/22/2011 |
| 8054735 | Optical device To provide an optical disc device 1, and similar, equipped with a new mechanism to reduce laser light noise due to optical feedback. In an optical disc device 1 in which a laser diode is driven by a high frequency modulation method, optical feed... | 11/08/2011 |
| 8050160 | Characterizing frequency response of a multirate system Frequency response is characterized for mechanical components of a multirate system operating in a closed-loop environment. A disturbance is injected at the frequency of interest and at each of the alias frequencies thereof as an input into the multirate system, and... | 11/01/2011 |
| 8035910 | Read after write enhancement for bit patterned media A read/write head for use with bit-patterned media detects write synchronization errors between a write clock and the bit-patterned media. In particular, the read/write head writes data to the bit-patterned media using a write clock. The data is then read from the b... | 10/11/2011 |
| 8036083 | Optical disk device This optical disk device includes an examination means which examines a first physical characteristic of an optical disk, and a servo means which starts servo control based upon that first physical characteristic. This optical disk device includes a read means which... | 10/11/2011 |
| 8031429 | Multi-directional self servo-writing for a disk drive A method of self servo-writing servo information to a plurality of disk surfaces in a disk drive that includes writing servo information to a plurality of disk surfaces in a first direction, writing servo information to a plurality of disk surfaces in a second direc... | 10/04/2011 |
| 8027239 | Data recording and reproducing device, camera device, and data recording and reproducing method A data recording and reproducing device includes: a light emitting element that generates light and emits the light toward an optical recording medium; a light emission control section that feedback-controls an emitted light quantity from the light emitting element;... | 09/27/2011 |
| 8023374 | Optical disc recording and reproduction device and an optical disc recording and reproduction method Trial writing is made by recording waveform different from that used to record information in a disc. In the trial writing, particularly, the strategy having short cooling time or large cooling power is used to make recording, so that the jitter characteristic havin... | 09/20/2011 |
| 8000049 | Self-servo writing using reference patterns with timing correction Methods for writing servo fields on a rotatable data storage disk using reference patterns on the data storage disk include generating a clock signal, reading a reference pattern signal from a surface of the disk, generating a phase error signal in response to a pha... | 08/16/2011 |
| 8000196 | Composite reproducing apparatus An optical disc reproducing device that composes a composite reproducing apparatus in accordance with the present invention includes an optical disc detecting portion which detects inserting and ejecting of an optical disc. The optical disc reproducing device also i... | 08/16/2011 |
| 7459072 | Method for processing naphtha Process for the work-up of naphtha, wherein a) naphtha or a stream produced from naphtha in a pretreatment step is separated in a membrane unit into a stream A which is depleted in aromatics and a stream B which is enriched in aromatics, with the aromat... | 12/02/2008 |
| 7452391 | Feedforward control processes for variable output hydrogen generators Hydrogen generators and integrated hydrogen generator/fuel cells systems are operated by determining the condition of the hydrogen generator and the condition of the fuel to the hydrogen generator for selection of predetermined flow rates for each of the externally-... | 11/18/2008 |
| 7453019 | Conversion process The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalys... | 11/18/2008 |
| 7452516 | Distribution device The invention relates to a distribution device (1) for distributing liquid over an underlying catalyst bed comprising a horizontal collection tray (2) provided with at least one gas chimney (3) for upward or downward passage of gas and with liqu... | 11/18/2008 |
| 7449156 | Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment A molten metal reactor (10) quickly entrains a feed material in the molten reactant metal (16) and provides the necessary contact between the molten reactant metal and the feed material to effect the desired chemical reduction of the feed material. The... | 11/11/2008 |
| 7449037 | Method and tube bundle reactor for carrying out endothermic and exothermic gas phase reactions A method for carrying out endothermic or exothermic gas phase reactions by using a tube bundle reactor with a tube bundle of catalyst-filled reaction tubes comprises the following steps: a) Introducing a reaction gas mixture into the reaction tubes; | 11/11/2008 |
| 7445702 | Desulphurisation Propane and/or butanes are separated from a hydrocarbon feedstock contaminated with alkyl mercaptans by fractional distillation at such a pressure that the separated overheads stream containing said propane and/or butanes is at a temperature in the range 50 to 100°... | 11/04/2008 |
| 7442348 | Sulfur-bearing residue treatment system A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use of a stripping vessel in conjunction with a heating apparatus. All ele... | 10/28/2008 |
| 7438872 | Steam oxidation apparatus A steam oxidation apparatus is provided which is capable of ensuring a desirable controllability and reproducibility of the steam oxidation of an object-to-be-oxidized housed in the reactor, by suppressing condensation of the steam in the steam-accompanied inert gas... | 10/21/2008 |
| 7438863 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a plurality of catalyst storage regions associated with a vessel and a metering device associated with the vessel. The metering device is configured to provide a metric indic... | 10/21/2008 |
| 7435865 | Method for separating hydrocarbons and use of a zeolite therefor A method for separating a mixture of hydrocarbons into fractions enriched in linear, mono-branched, or multi-branched hydrocarbons is disclosed. In particular, mono-branched alkanes are separated from a mixture of alkanes containing multi-branched, mono-branched and... | 10/14/2008 |
| 7429363 | Riser termination device The present invention provides an improved separator for use in hydrocarbon cracking process. ... | 09/30/2008 |
| 7427304 | Fuel gas manufacturing apparatus A PSA mechanism has a plurality of adsorption towers having inlet/outlet ends connected to respective valves that are connected to an off-gas discharge passage. The off-gas discharge passage is connected to an off-gas ejector of a residual gas supply. The off-gas ej... | 09/23/2008 |
| 7419584 | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixtu... | 09/02/2008 |
| 7416571 | Compact mixer for the mixing of gaseous hydrocarbon and gaseous oxidants Embodiments include methods and apparatus for mixing feedgases and producing synthesis gas. The apparatus includes a vessel containing a mixing system comprising one or more channels and a reaction zone downstream of the mixing system. A first feedgas and a second f... | 08/26/2008 |
| 7416655 | Selective adsorbent material and its use An adsorbent composition comprising a nanostructured titanium oxide material of the formula TiO2-, where 0≦×≦1 with nanotubular and/or nanofibrilar morphology, high oxygen deficiency, having an orthorhombic JT crystalline phase described by at least ... | 08/26/2008 |
| 7413585 | Closed pressure-keeping system for liquid hydrogen storage A pressure maintaining system for a hydrogen storage system includes a hydrogen supply feed that enables a hydrogen flow from the hydrogen storage system. A liquid phase hydrogen feed enables a liquid phase hydrogen flow to the hydrogen supply feed. A gas phase hydr... | 08/19/2008 |
| 7413648 | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking An apparatus and process are provided for cracking hydrocarbonaceous feed, wherein the temperature of heated effluent directed to a vapor/liquid separator, e.g., flash drum, whose overhead is subsequently cracked, can be controlled within a range sufficient so the h... | 08/19/2008 |
| 7410585 | Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine Disclosed is a fuel filter for removing sulfur containing compounds from an internal combustion fuel stream. In one embodiment, the fuel filter comprises at least one column comprising an adsorbent. In one exemplary embodiment the adsorbent is capable of removing su... | 08/12/2008 |
| 7407917 | Lubricating oil composition for automatic transmissions An additive compound comprising a non-borated and/or borated reaction product, in which the reaction product is obtained by reacting a linear or branched, saturated or unsaturated monovalent aliphatic acid having 8 to 22 carbon atoms, urea, and polyalkylenepolyamine... | 08/05/2008 |
| 7404889 | Hydrocarbon thermal cracking using atmospheric distillation A method for thermally cracking a hydrocarbonaceous feed wherein the feed is first processed in an atmospheric thermal distillation step to form a light gasoline and atmospheric residuum mixture. The light gasoline/residuum combination is gasified at least in part i... | 07/29/2008 |
| 7402178 | Garment processing with biological sanitization and inspection procedures Biological inspection procedures and surface sanitization procedures are incorporated with a garment providing service to look for and monitor the presence of microbes, such as bacteria in particular, and to eliminate such microbes within the garment service. Biolog... | 07/22/2008 |
| 7402179 | Garment processing with biological inspection procedures Biological inspection procedures and surface sanitization procedures are incorporated with a garment providing service to look for and monitor the presence of microbes, such as bacteria in particular, and to eliminate such microbes within the garment service. Biolog... | 07/22/2008 |
