Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8173017 | Single-cell mechanical flotation system A mechanical flotation system having only one cell may be nearly as efficient as one having two or more cells, yet provide an apparatus with a considerably smaller footprint, significantly reduced capital and operating costs, as well as be resistant to floating oil ... | 05/08/2012 |
| 8173016 | Mechanical flotation device for reduction of oil, alkalinity and undesirable gases A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the water. The vessel raises the pH of the water and reduces the lime req... | 05/08/2012 |
| 8029668 | Fluid treatment device and method An apparatus and method for treating raw water. The apparatus comprises a vessel having an inlet for the raw water and an outlet for the skimmed water, and wherein the vessel contains the raw water, and a rotor mechanism for creating a plurality of gas bubbles withi... | 10/04/2011 |
| 7943041 | System for removing particulate matter from wastewater A system for and method of removing particulate material from wastewater discharged from an industrial source. The method using filtration, sedimentation, coagulation and skimming to remove the particulate material from the wastewater. ... | 05/17/2011 |
| 7651610 | Water aerating and dirt collecting assembly for aquarium A water aerating and dirt collecting device for an aquarium includes a pumping device having a paddle device for pumping and circulating the water contained within the aquarium, a receptacle having an entrance coupled to the pumping device for receiving the water fr... | 01/26/2010 |
| 7648631 | Apparatus for wastewater treatment using nitrogen/phosphorus removal and floatation separation A method and an apparatus for wastewater treatment using a nitrogen/phosphorus removal process combined with a floatation separation of sludge that is replaced by the gravity settling secondary clarifier are provided for effectively removing organic substances, nitr... | 01/19/2010 |
| 7556732 | Must clarification machine A must clarification device is provided comprising a vat into which the must is introduced in either a continuous flow or in batches. Located within a circular chamber in the vat is a turbine rotatable by external means. The must is introduced into the chamber by a ... | 07/07/2009 |
| 7438809 | Single-cell mechanical flotation system A mechanical flotation system having only one cell may be nearly as efficient as one having two or more cells, yet provide an apparatus with a considerably smaller footprint, significantly reduced capital and operating costs, as well as be resistant to floating oil ... | 10/21/2008 |
| 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 |
| 7416661 | Mechanical flotation device for reduction of oil, alkalinity and undesirable gases A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the water. The vessel raises the pH of the water and reduces the lime req... | 08/26/2008 |
| 7360655 | Material handling system having a scoop wheel A material handling system is provided. The material handling system includes a tank defining a reservoir for receiving a solid material, and a wheel including a plurality of circumferentially spaced apart scoops for scooping solid material from the tank and subsequ... | 04/22/2008 |
| 7314140 | Apparatus and method for separating materials A material separator for separating at least two different materials of differing densities and/or sizes of particles. The material separator generally includes a tank containing a flocculent, a circulation system for circulating flocculent within the tank and a pai... | 01/01/2008 |
| 7279101 | Anaerobic biological wastewater treatment system and process The present invention discloses an anaerobic biological wastewater treatment system for treating wastewater containing organic contaminants, which includes an anaerobic sludge bed reactor and a dissolved-air flotation tank. The anaerobic sludge bed reactor is used t... | 10/09/2007 |
| 7267328 | Aeration of wastewater ponds using airlift pumps The subject of this invention is a submerged airlift pump using multiple concentric pipes with diameters that increase as they near the water surface. Water initially accelerated into the lowest pipe section is progressively decelerated in subsequent pipe sections, ... | 09/11/2007 |
| 7238284 | Apparatus for processing alkaline solution An apparatus for processing an alkaline solution includes a storage tank storing the alkaline solution to be processed; a processing unit sucking a foam phase disposed on the liquid surface level of the alkaline solution in the storage tank, defoaming the foam phase... | 07/03/2007 |
| 7229555 | Low-maintenance watermaker A reverse osmosis system is subject to long periods of non-use in which water stands inside. A hollow-cylindrical spiral-wound type reverse osmosis membrane is disposed inside a cylindrical pressure vessel. An electrostatic-field generator is disposed inside the pre... | 06/12/2007 |
| 7131370 | Centrifugal separating device and method of clarifying must during the production of wine The invention relates to a centrifugal separating device and method for clarifying must during wine production, especially with a separator (7). Gas and/or gelatine and/or other additives are added to the must that is clarified in the separating device after ... | 11/07/2006 |
| 6958121 | Aerobic digester for bodily waste material A digester is provided for aerobically and microbially digesting a batch of bodily waste material, such as an aqueous slurry of pig manure. The digester comprises side-by-side digestion and separation compartments, separated by a partition wall. A first slanted pipe... | 10/25/2005 |
| 6890431 | Buoyant media flotation A clarification system for fluids in which particles are separated from the fluid by flotation and in which the buoyant media inducing the flotation is recycled. Flotation can be assisted by a flotation assistance device, such as dissolved air flotation. ... | 05/10/2005 |
| 6881297 | Process for aerating dispersions A device and process for aerating dispersions, particularly for flotation of pulp suspensions, in a de-inking process where the pulp suspension containing dirt particles is sprayed into a tank together with air. The air is injected at a minimum of two successive poi... | 04/19/2005 |
| 6875351 | Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water Methods and apparatus for demulsifying oil in water by dilution and impact, and for separation of the oil and suspended solids by dissolved gas floatation, are described. A produced water treating system is also described. The produced water treating system may incl... | 04/05/2005 |
| 6841072 | Method and device for the anaerobic purification of a slurry which contains organic constituents Method and apparatus for the anaerobic purification of slurry which contains organic constituents. Slurry which is to be treated is fed periodically or continuously to a mixture-filled, substantially closed reactor (2), while the slurry is forcibly mixed with... | 01/11/2005 |
| 6830690 | Two-stage high synthesis activated sludge system with intermediate bio-solids removal A process for treating organically contaminated waste water is provided comprising an initial treatment step whereby microorganisms are replicated and either attach to support media or remain suspended in the waste water. The microorganisms reduce the incoming bioch... | 12/14/2004 |
| 6780335 | Liquid separation and extraction A process for the separation and extraction of liquid from a multi-component fluid within a conduit in which said liquid tends to settle, said process comprising introduction of a coil tubing into a predetermined settlement region within said conduit, said tubing ha... | 08/24/2004 |
| 6778881 | Monitoring and control of a froth flotation plant The invention uses machine-vision to improve the performance of a flotation operation to provide a substitute for conventional human vision and problem-solving abilities. The invention redirects the conventional approach of “characterizing the froth” to “measu... | 08/17/2004 |
| 6676833 | Apparatus for removing grit and grease from water A grit-and-grease removal system includes a grit channel for degritting water by promoting settling of grit to the bottom of the channel, the grit being removed from the bottom of the channel by a traveling bridge-type grit removal device supporting a sub... | 01/13/2004 |
| 6558558 | Apparatus for circulating a fluid Apparatus for circulating a fluid, for example a liquid or a gas, from a first end to a second end is disclosed. The apparatus comprises: a tube of a flexible material divided by dividing walls of a flexible material into an array of compartments or cells... | 05/06/2003 |
| 6551516 | Methods for removing grit and grease from water A grit-and-grease removal system includes a grit channel for degritting water by promoting settling of grit to the bottom of the channel, the grit being removed from the bottom of the channel by a traveling bridge-type grit removal device supporting a sub... | 04/22/2003 |
| 6505744 | Solid-liquid separation equipment in particular for biological purification of wastewater An apparatus for the separation of a solid/liquid suspension by filtration includes a tank filled with a suspension to be treated. At least one cavitied plate is located in the tank and has at least one internal cavity. The plate is immersed in the suspen... | 01/14/2003 |
| 6497819 | Method and apparatus for treating waste water A method for treating waste water and a plant designed for preventing the precipitation of carriers under the air blower installed for reaction tank or aeration tank, wherein the plant comprises an aeration tank 1 containing the carriers 2 for growing mic... | 12/24/2002 |
| 6475384 | Flotation reactor and method for flotation The invention relates to a flotation method and a flotation reactor. The invention provides a method and a device, wherein the formation of the gas bubbles needed for flotation are produced by catalytic reaction of a chemical substance, i.e. H2... | 11/05/2002 |
| 6475337 | Process for aerating dispersions A device and process for aerating dispersions, particularly for flotation of pulp suspensions, in a de-inking process. The process includes at least two stages, where each stage has a separate liquid circulating system which sucks in the gas or air and mi... | 11/05/2002 |
| 6413366 | Method and device for flotation of pollutants from an aqueous fibrous material suspension Process and device for the flotation of contaminates out of an aqueous fibrous suspension using a foam. The process includes creating the foam, introducing the fibrous suspension into the foam, transferring contaminates from the fibrous suspension to the ... | 07/02/2002 |
| 6342159 | Shipboard biomechanical oil water separator Disclosed is a biomechanical apparatus and method for the continuous phase-separation and biological treatment of ship bilgewater contaminated with petroleum and biodegradable materials. The apparatus includes a pumping system attached directly to the bil... | 01/29/2002 |
| 6293529 | Bubble generating apparatus A bubble generating apparatus includes a hollow shell having a plurality of bottom inlets through and a side outlet, a screw rod longitudinally mounted in the shell, a baffle threaded onto one end of the screw rod and suspended inside the shell above the ... | 09/25/2001 |
| 6126815 | Sequential air dissolved floatation apparatus and methods Sequential DAF apparatus and methods providing zero pool and nonmechanical waste material removal are disclosed which include a number of floatation tanks each arranged to operate either independently or sequentially, each tank has a conical shaped bottom... | 10/03/2000 |
| 6090277 | Reactor for the depuration of polluted waste waters Polluted waste waters are introduced into a tank (1, 100) in which a number of cavitation oxygenizers (5, 6, 11) are installed close and parallel to the bottom of the tank and divided into three types, one (5) that expels re-circulated water and air, a se... | 07/18/2000 |
| 6083389 | Flotation plant In a flotation plant comprising an intake installation (1), a flocculation section (2), a separating section (4), a water discharge installation (5), a sedimentation section, a slurry collecting section (7), a scraper (8) for the slurry, a trough (9) for ... | 07/04/2000 |
| 6080320 | Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents A column of solvent containing foaming contaminants is provided. Gas is injected into the solvent in the column so as to generate foam in the column. Foam generation continues so as to push the foam up in the column, wherein much of the solvent that is in... | 06/27/2000 |
| 6074557 | Water treatment device and method An apparatus for separating contaminants from a fluid stream is disclosed. The apparatus comprises a vessel containing a gas blanket. The apparatus will have contained therein a water skimmer member adapted for allowing for retention of the fluid stream. ... | 06/13/2000 |
