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 |
| 7828940 | Onsite chemistry air filtration system An onsite chemistry air filtration system to remove gaseous contaminants from air is disclosed. The onsite chemistry air filtration system of the present invention comprises: a conventional particulate filtration section, a photochemical filtration section, a static... | 11/09/2010 |
| 7364710 | System for decomposing organic compound A system for decomposing a liquid or gaseous organic compound comprises a ultraviolet decomposition unit and an intermediate product treatment apparatus. The ultraviolet decomposition unit decomposes an organic compound contained in polluted liquid or polluted gas b... | 04/29/2008 |
| 7361904 | UV water purification system A point of use water purifier for use in rural and under developed areas having a supply reservoir chamber in a first container and a treatment reservoir chamber in a second container underlying the first container and into which the first container is fitted, the w... | 04/22/2008 |
| 7347888 | Air purifier An air purifier is disclosed having an electrostatic chamber and a germicidal chamber, wherein the two chambers are distinct and there is no air flow communication between the electrostatic and germicidal chambers. ... | 03/25/2008 |
| 7326284 | Contamination control system and air-conditioning system of a substrate processing apparatus using the same An air-conditioning system of a substrate processing apparatus includes an air inlet line for providing air to a clean room. A contamination control apparatus for removing contaminants in the air is connected to the air inlet line. A controller controls temperature ... | 02/05/2008 |
| 7323137 | Air sterilizing system A system for sterilizing air includes an air duct for flowing the air therethrough. A first electron beam generator is positioned relative to the duct for irradiating the air flowing therethrough with a first electron beam. The first electron beam for disabling micr... | 01/29/2008 |
| 7279088 | Catalytic electrode, cell, system and process for storing hydrogen/deuterium A catalytic electrode, cell, system and process for absorbing and storing hydrogen (H2) and deuterium (D2) from the gaseous to the solid ionic form. The cell includes a non-conductive sealed housing and a conductive catalytic electrode position... | 10/09/2007 |
| 7276103 | Method and device for separating molecules having different excitation spectra The invention relates to a method for the separation of molecules having different excitation spectra, which form components of a gas. The molecules are excited by laser pulses in a way that the molecules to be separated are transferred into a state of excitation du... | 10/02/2007 |
| 7265369 | Method and system for detecting chemical substance A chemical detecting apparatus includes a substrate 10 for chemicals in gas-to-be-monitored to be adsorbed to, a substrate adsorption rate improving means 12 which enhances the adsorption of the chemical in the gas-to-be-monitored to the substrate, an ... | 09/04/2007 |
| 7226542 | Fluid treatment apparatus Portable personal water purifier with a microdischarge array sealed with a radiation emitter, preferably Xel, slightly above atmospheric or water pressure in a closely-configured treatment chamber. Each array is a polyimide film separating a copper layer or mesh cat... | 06/05/2007 |
| 7217903 | Method for purifying gas using plasma discharge A method is provided for purifying gases, particularly gases contaminated by environmentally harmful substances, by way of plasma discharge. The gas to be purified is guided through a thermal plasma, which is generated by electrodeless ignition of a process gas, so ... | 05/15/2007 |
| 7198698 | Method of photochemically removing ammonia from gas streams The present invention entails a method of removing ammonia from a gas stream. The method entails irradiating the gas stream with light in the spectral range of 200–350 nanometers and disassociating hydrogen free radicals from ammonia to form NH2. Once N... | 04/03/2007 |
| 7189978 | Air sterilizing system A system for sterilizing air includes an air duct for flowing the air therethrough. A first electron beam generator is positioned relative to the duct for irradiating the air flowing therethrough with a first electron beam. The first electron beam for disabling biol... | 03/13/2007 |
| 7163615 | Method of treating substance to be degraded and its apparatus There is provided a method of treating a substance to be degraded comprising the steps of: degrading the substance to produce a degraded product; contacting the product obtained in the degrading step with a liquid; and entrapping a component of the product not trapp... | 01/16/2007 |
| 7156957 | UV induced oxidation of nitric oxide Nitric oxide in a gaseous stream is converted to nitrogen dioxide using oxidizing species generated at least in part using in situ UV radiation sources. The sources of the oxidizing species include oxygen and/or hydrogen peroxide. The oxygen may be a component of th... | 01/02/2007 |
| 7147821 | Treatment process for a gaseous medium containing contaminating particles The invention relates to a method for treating a gaseous medium containing contaminating particles, such as microorganisms, bacteria, or viruses. The inventive method consists of generating an accelerated electron flux; the electron flux interacting with the gaseous... | 12/12/2006 |
| RE39313 | Procedure and filter device for removal and/or destruction of organic substances in contaminated air A procedure and a filter device (1) serving the purpose of removing and/or destruction organic substances in contaminated air. The filter device comprises at least one ventilator (12) for sending an air stream through a first chamber (14) with a... | 10/03/2006 |
| 7108837 | Polluted soil remediation apparatus and pollutant degrading apparatus A polluted soil remediation apparatus comprising a treatment tank in which pollutants degradable with light irradiation in the presence of chlorine is extracted as a gas containing the pollutants from polluted soil and a mixture of the gas containing the pollutants ... | 09/19/2006 |
| 7056476 | Refrigerator and deodorizer producing ozone by high-voltage discharge A refrigerator includes a deodorizer disposed in a cold air circulation path for deodorizing an atmosphere in the refrigerator. The deodorizer includes discharging means for producing ozone and ultraviolet rays by means of high-voltage discharge and a photocatalyst ... | 06/06/2006 |
| 7052662 | NOx, Hg, and SOremoval using alkali hydroxide A process and apparatus for removing SO2, NO, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an alkali scrubbing so... | 05/30/2006 |
| 7040891 | System for reducing fuel consumption and pollutant emissions from asphalt cement production A system for reducing fuel consumption and pollutant emissions from asphalt cement production facilities which utilizes a recycle stream to reduce organic compound and carbon monoxide concentrations and a sorbent to reduce pollutant concentration prior to dischargin... | 05/09/2006 |
| 7029639 | Desulfurizer comprising activated carbon and method of desulfurization A desulfurization apparatus for desulfurizing a flue gas containing sulfur oxides through contact with a porous carbon material. The carbon material, which is provided in a desulfurization tower, is at least one species selected from activated carbon and activated c... | 04/18/2006 |
| 7022747 | Method for creating microsphere polymers and particles A polymeric material is produced by atomizing into droplets a composition containing addition-polymerizable material and reacting the addition polymerizable material in the droplets to produce the particulate product. The polymeric product may be, for example, a pow... | 04/04/2006 |
| 7018514 | Method and apparatus for processing substances to be decomposed A method for processing substances to be degraded is provided. The method includes a decomposing step in which a mixed gas containing chlorine and the substances to be degraded is irradiated with light to decompose the substances to be degraded, a contact step in wh... | 03/28/2006 |
| 6992302 | Bedding sanitizer A sanitizer for bedding has an irradiation chamber with a light support mounted for reciprocation within the chamber. A light for radiating into the chamber is supported by said light support. A bedding support is mounted so as to be at least partially withdrawable ... | 01/31/2006 |
| 6992301 | Bedding sanitization A method of operating a facility having beds involves removing bedding (such as pillows, bedspreads, and blankets) from a bed of a facility after departure of a user and irradiating bedding with narrow spectrum radiation to obtain sanitary bedding. The bed is then m... | 01/31/2006 |
| 6967485 | Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors A photo-ionization detector having an adjustable drive power for a UV lamp implements a calibration operation that determines measurement signals for a series of drive power levels and based on the resulting measurement signals selects one or more drive power levels... | 11/22/2005 |
| 6964755 | Method for producing high activity photocatalyst, photoactivity catalyst, and method for treating hydrogen sulfide for recovering hydrogen gas under low energy by using high activity photocatalyst A high activity catalyst is obtained by oxidizing and modifying the surface of zinc sulfide by hydrogen peroxide. An oxidation treatment is carried out in basic aqueous solution. The high activity photocatalyst is added to the basic aqueous solution in which hydroge... | 11/15/2005 |
| 6955794 | Slot discharge non-thermal plasma apparatus and process for promoting chemical reaction A plasma reactor including a first dielectric having at least one slot defined therethrough, and a segmented electrode including a plurality of electrode segments, each electrode segment is disposed proximate an associated slot. Each electrode segment may be formed ... | 10/18/2005 |
| 6955791 | Environmental air sterilization system The present invention is a high volume, wall-mountable air sanitation apparatus for disinfecting and removing VOCs from air with high energy UV light and ozone. The apparatus has a powerful fan and an elongated UV light source and target for use with the movement of... | 10/18/2005 |
| 6944549 | Method and apparatus for automated detection of peaks in spectroscopic data A method and apparatus are provided for identifying peaks in spectral data. A method in accordance with some embodiments includes sorting the spectral data by spectral parameter values; detecting peaks in the data; integrating peak areas; identifying any coeluting p... | 09/13/2005 |
| 6939125 | Method for reducing nitrogen oxides in combustion gas from combustion furnace A method for reducing NOx, in a combustion gas which is discharged from a combustion furnace for burning a fuel by means of a gas containing oxygen in an amount of at least 80 vol % and which contains oxygen, which method comprises adding a combustible ma... | 09/06/2005 |
| 6936231 | NOx, Hg, and SO2 removal using ammonia A process and apparatus for removing SO2, O, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an ammonia scrubbing so... | 08/30/2005 |
| 6916428 | Photo-chemical remediation of Cu-CMP waste A photo-chemical remediation of Cu-CMP waste streams basically includes the following acts: adding photo-catalyst particles into waste streams containing copper ions and organic pollutants and exposing the waste streams to UV light or sunlight to make copper ions be... | 07/12/2005 |
| 6902653 | Apparatus and method for photocatalytic purification and disinfection of fluids An apparatus and method for the photocatalytic conversion of contaminants in a fluid stream. Fluid is directed through a semitransparent packed bed or an open cell, three dimensionally reticulated, fluid permeable, semiconductor unit. Within the unit, a semiconducto... | 06/07/2005 |
| 6843973 | Krypton and xenon recovery system In a process for the recovery of krypton and xenon, an oxygen-enriched stream containing krypton and/or xenon and hydrocarbons is removed from an air separation unit. A substantial portion of the hydrocarbons, especially methane, ethane, and acetylene, is removed fr... | 01/18/2005 |
| 6841075 | Permeable composite material, method for producing said composite material, and use of the same A claim is laid to a permeable composite, a process of production of the composite as well as the use of this composite. The composite essentially contains a perforated and permeable carrier, on and in or on or in which another component that essentially contains me... | 01/11/2005 |
| 6818193 | Segmented electrode capillary discharge, non-thermal plasma apparatus and process for promoting chemical reactions A plasma reactor including a first dielectric having at least one capillary defined therethrough, and a segmented electrode including a plurality of electrode segments, each electrode segment is disposed proximate an associated capillary. Each electrode segment may ... | 11/16/2004 |
| 6773555 | Method for treating exhaust gas The present invention relates to a flue gas treatment method and apparatus for removing sulfur oxides by injecting ammonia into flue gas containing sulfur oxides. In the flue gas treatment method for removing sulfur oxides contained in the flue gas using ammonia, th... | 08/10/2004 |
| 6770174 | Photochemical system and method for removal for formaldehyde from industrial process emissions An adsorption-desorption photochemical oxidation process for destroying formaldehyde within an industrial process effluent gas stream is disclosed. The process includes an adsorption-desorption step to concentrate the formaldehyde into a seprate gas stream. The deso... | 08/03/2004 |
