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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7981301 | Method and apparatus for treatment of contaminated liquid An apparatus includes integrated ultra-filtration and clarification, and an optional electrocoagulation capability. The apparatus comprises an outer tank, an inner casing, and a plurality of ultra-filtration filters contained within the inner casing. Clarification o... | 07/19/2011 |
| 7927488 | Water purification systems Water purification systems utilizing oxidation. By passing water through a chamber of air, the impurities within the water, such as iron, manganese, and/or hydrogen sulfide gas, may be oxidized. The oxidized constituents in the water may then precipitate out and be ... | 04/19/2011 |
| 7824549 | High efficiency grit removal system An assembly for removing grit particles from a fluid having a flow. The assembly includes a tank having walls for holding fluid for separation of grit particles from the fluid, a fluid inlet for flow of fluid into the tank, a fluid outlet for flow of fluid from the ... | 11/02/2010 |
| 7704389 | Apparatus for groundwater remediation A process for in situ groundwater decontamination within a subsurface region of earth includes: directing a liquid feed stream through a first conduit; injecting a treatment gas into the first conduit and/or a second conduit; discharging the liquid feed stream downw... | 04/27/2010 |
| 7572370 | Installation for the mechanical purification of liquids, and method for separating suspended matter The invention relates to an installation for the mechanical purification of liquids, said installation comprising a container for separating suspended matter, and a transporting device for transporting the suspended matter to a discharge point. Said container compri... | 08/11/2009 |
| 7513995 | Air driven particle recirculator for a septic tank outlet baffle or filter assembly An air driven particle recirculator designed to introduce air around a single or multiple compartment septic tank discharge outlet baffle or filter assembly. The air driven particle recirculator causes a movement of waste particles and suspended solids to be forced ... | 04/07/2009 |
| 7479224 | Purification plant to biologically purify waste water A method of biologically purifying waste water, said method including the following steps in the following sequence a) an aeration step for stripping off H2S and other gases and for removing bactericides from the water, b) a step of decomposing organic ma... | 01/20/2009 |
| 7442307 | Method and apparatus for the biological activated sludge treatment of wastewater The equipment has a main reaction (I) and an anterior reactor (II), as well as facilities for feeding in untreated sewage, removing cleaned water and sludge and aerating the wastewater entered into the main reactor, and a mixer (2) situated in the anterior re... | 10/28/2008 |
| 7442313 | Environmental remediation method and system Remediation for groundwater, soil, sediment bodies, bodies of water, tanks, pipes, and their surrounding areas are described. Remediation includes treating a site contaminated with toxic organic compounds by assessing for the presence or absence of suitable ozonphil... | 10/28/2008 |
| 7438808 | Sand catcher The invention relates to a sand catcher comprising a deposition chamber (1) that is configured as a steel container with a cylindrical cross-section, traversed in a longitudinal direction. Said deposition chamber comprises air-supply nozzles (4) on one... | 10/21/2008 |
| 7431832 | Systems for reducing water contamination In some embodiments, a system may reduce contaminants in water. A system may include a biofilm in a container. The biofilm may be formed from one or more bacteria coupled to one or more substrates. The bacteria may be selected to maximize the reduction of contaminan... | 10/07/2008 |
| 7431833 | Flowable material vessel A vessel is provided for treating flowable materials and methods of use wherein the vessel has a substantially cardioid cross-sectional configuration with a central cusp defining two upper rounded lobes. A front and rear wall enclose the ends of the sidewall with on... | 10/07/2008 |
| 7429320 | Wastewater treatment system A method and apparatus for remediating a failing wastewater treatment system comprising (a) a positive oxygen and ozone-generating, or ozone-generating only, pressure pump having an output, (b) a tube having a first end and a second end, the first end being attachab... | 09/30/2008 |
| 7422688 | Biological wastewater treatment process and reactor An aerated treatment of water is performed using a serially coupled reactor and flotation tank and is performed using so much activated sludge in the water that small bubbles from an aerator are entrained in the activated sludge, leading some of or all the activated... | 09/09/2008 |
| 7419594 | Apparatus and method for controlling biomass growth in suspended carrier bioreactor A bioreactor configured to contain an aqueous suspension of biomass and media is provided. The invention includes a lift tube disposed within the vessel, the lift tube having an inlet disposed at the bottom region of the vessel and an outlet disposed at the top regi... | 09/02/2008 |
| 7407584 | Regulating air velocity continuously injected into biological water treatment reactor A method of treating wastewater wherein the biomass associated with the wastewater is subjected to simultaneous nitrification and denitrification in a single reactor. The method entails directing a wastewater influent stream into the reactor and measuring the concen... | 08/05/2008 |
| 7404906 | Device and process for treating cutting fluids using ultrasound Devices and methods for treating, preventing from growth, and neutralizing microorganisms in cutting fluids using high-frequency, low-energy ultrasound. ... | 07/29/2008 |
| 7402248 | Active biological contactor (ABC); a modular wastewater treatment system A method and system for wastewater treatment includes flowing a quantity of a wastewater into a first microbubble chamber having a plurality of diffusers for injecting microbubbles into the wastewater to promote oxygenation. The microbubble includes activated sludge... | 07/22/2008 |
| 7396453 | Hydraulically integrated solids/liquid separation system for wastewater treatment A system and method for treating wastewater includes a treatment container for receiving and treating wastewater and a mixing/aeration system disposed in the treatment container. Wastewater is pumped under pressure from the treatment container through a solids/liqui... | 07/08/2008 |
| 7387723 | Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs and resources required for disposing of digested sludge. The offline... | 06/17/2008 |
| 7384554 | Methods for total nitrogen removal from waste streams A method and related apparatus for oxidation and reduction of a reduced aqueous nitrogen contaminant, as can be embodied by a system comprising nitrifying and denitrifying bacteria and contacting oxygen and hydrogen. ... | 06/10/2008 |
| 7374675 | Mixer for use in wastewater treatment processes A system and method of aerobic wastewater treatment provides large mixing bubbles along with small oxygenating bubbles supplied by diffusers. The mixing bubbles are large enough to move wastewater and generate a mixing current as they rise to the surface. The mixing... | 05/20/2008 |
| 7367550 | Peristaltic mixing and oxygenation system The present invention provides devices and methods for achieving mixing and gas exchange in chambers having a small volume. According to the invention a chamber includes one or more walls that are made of a gas-permeable material and that include multiple portions t... | 05/06/2008 |
| 7361268 | Waste treatment systems Waste treatment systems and methods of using them to treat septage, domestic sludge or both are disclosed. Certain examples provided herein relate to waste treatment systems that include a plurality of stages, such as, for example, a plurality of ecosystems, configu... | 04/22/2008 |
| 7349378 | Local area network resource manager Aspects of the invention provide a method and system for managing or coordinating data transmission in a Local Area Network (LAN) such that Quality of Service (QoS) concerns are met. A LAN resource manager (LRM) is provided for managing the LAN resources by providin... | 03/25/2008 |
| 7341660 | Unitary three stage wastewater treatment system The invention is a three stage wastewater treatment system having a first tank, a second tank and a third tank, all in fluid communication and forming a unitary structure. The first and second tanks are nested, where the first tank is the innermost tank. The first t... | 03/11/2008 |
| 7335304 | Method for reducing sludge of a biological ozone treatment system Methods for treating aqueous effluent, which include reducing sludge formation during the biological treatment of an aqueous effluent. The sludge formation is reduced by injecting an ozone containing gas into an aeration tank which contains the effluent. The affluen... | 02/26/2008 |
| 7335305 | Sequential batch reactor and wastewater treatment process A system for controlling the aerobic phase of a wastewater treatment cycle in a sequencing batch reactor, comprising a tank, an air blower, at least one sensor for measuring the concentration of dissolved oxygen in the tank, and means to control the length of time t... | 02/26/2008 |
| 7332082 | System and method for biological purification of water The invention relates to a method and a water treatment system (2) for treating and/or keeping clean water (1), in particular from swimming facilities (4), whereby the water (1) is pre-cleaned in a first step in at least one mechanical cl... | 02/19/2008 |
| 7332078 | Apparatus for recovering energy from turbulence created within an aerobic biological reactor A novel method and apparatus that takes advantage of both the aeration dynamics provided along with the free resulting hydro energy created by the flotation dynamics of the air bubbles and most importantly recover more energy than is required to operate the aeration... | 02/19/2008 |
| 7332077 | Methods for biological treatment of waste waters In a vertical shaft bioreactor, improved devices and methods are provided for enhanced secondary and/or tertiary treatment of wastewater, including residential, municipal and industrial wastewater. The devices and methods of the invention are useful for enhanced sec... | 02/19/2008 |
| 7329340 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems A continuous flow multistage aerobic wastewater sludge digestion system comprising at least two stages connected in series, each stage comprising one or more covered tanks, tank segments or compartments, each having an enclosed separate gas headspace, wherein the ga... | 02/12/2008 |
| 7328809 | Solvent extraction method and apparatus A weir assembly for use with a mixer-settler for liquid-liquid extraction includes in one embodiment an organic weir having an inlet opening below the free surface of the organic phase liquid and a vertically-adjustable front wall allowing adjustments in the positio... | 02/12/2008 |
| 7329341 | Wastewater treatment device A wastewater treatment device treats nitrogen wastewater containing hydrogen peroxide by using micro/nano bubbles generated in a micro/nano bubble reaction tank. Thereby, activity of microbes is increased in next denitrification tank and nitrification tank, so that ... | 02/12/2008 |
| 7329351 | Process and apparatus for increasing biological activity in waste treatment in bodies of water A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical surfaces is operated in a pond or lagoon. An aerator within the scope o... | 02/12/2008 |
| 7323107 | Apparatus and method for the treatment of waste A waste treatment system suitable for domestic use and capable of producing water suitable for recycling within the household. The system includes a bioreactor (30) and a decomposition chamber (16). The bioreactor (30) is adapted to digest liqui... | 01/29/2008 |
| 7318901 | Device for oxygenating sea water A diffuser hose for oxygenation of water, in aquaculture installations for marine organisms in the sea. The hose (5) consists of a perforated hose (6), to which substantially pure oxygen is supplied, and at least one perforated hose for oxygen distribu... | 01/15/2008 |
| 7316775 | Air-powered filter arrangement A filter including a filter housing having a spillway and a pneumatic intake assembly that draws water from an aquarium into the filter housing. The filter housing being configured to internally mount to the aquarium. The filter housing having first and second chamb... | 01/08/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7314548 | Bioventing remediation system Bioventing systems create a bacterial treatment zone at a contaminated site by supplying a hydrocarbon food source to the treatment zone, and recirculating the hydrocarbon to the treatment zone. The bioventing systems may inject, circulate, extract and reinject hydr... | 01/01/2008 |
