Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 7520986 | Filtration device A filtration device is equipped with: a filtration tank; a layer of particulate filtration media within the filtration tank; a cleansing tank, which is vertically placed within the filtration tank and which has an opening at the lower end thereof; and a screw convey... | 04/21/2009 |
| 7364652 | Screening apparatus Screening apparatus (101,901) for use at an overflow weir (301, 902) in a sewerage system. The apparatus comprises a continuous moving screen band (201, 902) and a band cleaning mechanism (608). A first portion (801) of the screen ... | 04/29/2008 |
| 7169303 | Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems Systems and methods for extracorporeal processing of blood or other body fluid for the treatment of conditions, such as sepsis, autoimmune disease, or toxemia related to kidney failure, liver failure, or drug overdose are provided. In an extracorporeal treatment sys... | 01/30/2007 |
| 7160452 | Filter device A filtration device that enables efficient cleansing and rinsing of filtration media within a short time, in which filtration sand is not likely to become clogged, and in which unevenness within filtration sand is not likely to occur comprising a screw conveyor 3... | 01/09/2007 |
| 7090771 | Filtration system underdrain The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across a... | 08/15/2006 |
| 6706521 | Bed cleaning system for fluidized-bed bioreactors A reaction chamber is adapted to contain a fluidized bed having a slurry of liquid, media and biomass. A lift and motive fluid are provided to urge slurry from the reaction chamber through a passage from a slurry inlet to a slurry discharge. The height of the slurry... | 03/16/2004 |
| 6228256 | Apparatus for cleaning a pool bottom having a sand bed The invention relates to a method and an apparatus for cleaning the sand beds of slow sand filters, infiltration basins and pools of other types having sand beds in water treatment works and similar plants, while the filter is in service, by removing a fe... | 05/08/2001 |
| 6143186 | Device for continuous filtration of liquids A continuous filter device for liquids has a filter chamber that receives a granular bulk material forming a filter bed. The filter chamber has rectangular inner-walls with a liquid-permeable inlet side and a liquid-permeable outlet side positioned opposi... | 11/07/2000 |
| 5762801 | Process and apparatus for biological treatment of water In the biological purification of sewage water or drinking water, it is known to purify the water in a filter bed of granular filter medium, wherein the filter medium is transported from the bottom of the bed to its upper side with the aid of air, so as t... | 06/09/1998 |
| 5681472 | Method and apparatus for separating gaseous bubbles and sand from a liquid flow A filtering process for and apparatus separating air bubbles and granular filter medium from a filtrate contaminated by the filter medium and bubbles when passing through a filter bed formed by the filter medium for treatment of a suspension or liquid sol... | 10/28/1997 |
| 5198398 | Method for regenerating spent activated carbon and portable container for use therein A relatively simple and more economical method for regenerating activated carbon wherein at least partially spent activated carbon is fed from a portable container directly to a heating zone without the use of liquid to transport the at least partially sp... | 03/30/1993 |
| 4818419 | Method of removing clogging material from a clogged granular filter medium A method of cleaning and removing clogging material from a clogged granular filter medium of a granular filter device is disclosed. A collector is positioned proximate the clogged filter medium for collecting the clogged filter medium together with a port... | 04/04/1989 |
| 4655908 | Device for cleaning liquids in sand filters The present invention relates to a device for cleaning of liquids in sand filters of the up-stream type. The device according to the invention is characterized in that a sand filter bed (5) is arranged in the form of at least one ring-shaped element, whic... | 04/07/1987 |
| 4524139 | Process for the compressive regeneration of flexible, porous materials This invention relates to a process and apparatus for the compressive regeneration of flexible, porous materials used as filter particles, oil-separating particles or carrier particles in a reactor. These materials are loaded in a reactor with a liquid co... | 06/18/1985 |
| 4482457 | Filtering apparatus The invention relates to an apparatus for filtering a suspension or emulsion and comprising a bed (6, 7) of a particulate filter material arranged in a container or tank (1), one or more inlets (8) arranged at the lower part of the bed for the suspension ... | 11/13/1984 |
| 4337006 | Device for preparing and cleaning trench for an aquifer recharging system A device for preparing a trench or dam for the recharging of an aquifer or similar use and for cleaning the recharging means. The aquifer recharging means is shown in my U.S. Pat. No. 4,199,272. The trench preparing device includes a protective frame surr... | 06/29/1982 |
