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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 210/289 - With particular liquid receiving means or foraminous bed retainer


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus which comprises particular means for introducing
No. of patents: 180
Last issue date: 04/07/2009


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NumberTitleIssue Date
7513993Filter devices including a porous body
Fluid filter devices include at least one porous body. In one example, the fluid filter device can be incorporated as part of a fluid filter apparatus. The fluid filter apparatus can include a container defining an interior area wherein the filter device is position...
04/07/2009
7442293Oil/water separation apparatus for oil-containing mixture
Oil adsorbent layers 4 and packed layers 5 are alternately laminated inside a treatment vessel 2, the oil adsorbent layers 4 comprise ten laminated flat sheets 4a composed of polypropylene, and gelled aluminum hydroxide 1...
10/28/2008
7410578Underdrain apparatus and method of manufacturing same
A filter underdrain apparatus and a method for manufacturing such apparatus. The apparatus includes a cover member, a water orifice member and a bottom member, each being individual pieces. The cover is placed over the water orifice member and connected thereto by w...
08/12/2008
7390408Shallow bed fluid treatment apparatus
A column apparatus containing a shallow bed of material between fluid transporting fractals of large active surface area results in highly efficient processing with small equipment size. ...
06/24/2008
7378019Filter assembly with vortex fluid distributor
A filter assembly for filtering water in an aquatic structure having a housing with a flow inlet and a flow outlet and filter media between the flow inlet and the flow outlet. A vortex distributor is supported in the housing to distribute fluid evenly over the filte...
05/27/2008
7361281High efficiency ion exchange system and method for removing chromium from water
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to anothe...
04/22/2008
7341662Distribution and collection headers for a filter bed
A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i...
03/11/2008
7309429Granular filtration device for water
The invention is a granular media filter for in-line liquid applications that allows media as fine as 44 micron to be used to increase the removal of contaminants from the liquid with adequate flows consisting of a specific arrangement. A flow distributor has a non-...
12/18/2007
7303682Distributing or collecting device
The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributi...
12/04/2007
7300801Welded sample preparation articles and methods
Solid phase extraction articles, well-less filtration devices, and methods of manufacturing the articles and devices are disclosed. Methods of extracting analytes from samples using the articles and devices are also disclosed. The articles, devices and methods inclu...
11/27/2007
7288194Underdrain system
An underdrain system having a bottom formed of concrete. The concrete bottom includes a plurality of depressions formed therein. A porous plate is operably associated with at least one of the depressions. An anchor assembly is provided for anchoring the porous plate...
10/30/2007
7267770Cartridges
A radial flow cartridge, especially for use with an ion exchange resin, includes inner and outer tubular cages, and a tubular knitted liner extending the length of the cartridge between the inner and outer cages and spaced apart from the outer cage. The resin medium...
09/11/2007
7255789Method and apparatus for liquid purification
An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light ch...
08/14/2007
7247245Filtration cartridge and process for filtering a slurry
A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la...
07/24/2007
7229559Dual-action decontamination method
Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f...
06/12/2007
7217363Filtration system
A filtration system for cleaning a fluid, typically water, that is contained in a tank having a rounded base and which cleans, during the backwash cycle, the filter media and, in particular, cleans the media in a usually stagnant area found in the rounded base of th...
05/15/2007
7153425Process and filter for filtering a slurry
The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo...
12/26/2006
7138056Filter underdrain system for backwash flow and method for measuring same
A filter underdrain system and a method for measuring the water flow through the underdrain filter system. The apparatus includes panel members assembled to form a perforate grid on the filter base structure of an underdrain block. The panels are generally rectangul...
11/21/2006
7097766Sand filter with rotating vanes
The present invention is a media-based fluid filtration system that extends the time between backwashing operations and prevents the agglomeration of filtered particles at the top of the media bed through the use of a plurality of rotating vanes and associated tines...
08/29/2006
7081200Swimming pool filter
The invention relates to a swimming pool filter that includes a filter body (1) being formed by a casing (2) with a top cover (3), and the cover (3) forms a water distributor (4), this latter being compartmented (6, 7, 8, 9 ...
07/25/2006
7077272Antibacterial member, method of preparing the same, antibacterial filter and antibacterial container
An antibacterial member is constituted such that a propolis component is contained in, or adhered to, a water-insoluble base member. This antibacterial member is mixed into a filter member to be disposed in a flow passage in an antibacterial filter. Water in the ant...
07/18/2006
7074326Curb-and-grate inlet filter
A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water runoff silt and debris attendant such construction. The curb-and-grate inl...
07/11/2006
7063783Strainer
A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis...
06/20/2006
7022230Filtration device
The invention relates to a filtering apparatus including, inside a filtering tower (1), a filtering section (r), a liquid collecting section (7) and a liquid feeding section (e). The liquid feeding section (e) includes a diffuser (A) attached to an upw...
04/04/2006
7001521Distributing or collecting device
The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributi...
02/21/2006
6998038Stormwater treatment system
A system for removing material from a flowing liquid, where the system includes one or more cartridges, where each cartridge has an outer permeable wall and an inner permeable wall that form a media region between the walls, where a media is disposed within at least...
02/14/2006
6991723Underdrain system
An underdrain system having a bottom formed of concrete. The concrete bottom includes a plurality of depressions formed therein. A porous plate is operably associated with at least one of the depressions. An anchor assembly is provided for anchoring the porous plate...
01/31/2006
6972091Ion exchange resin plant
An ion exchange resin plant for the demineralizing or softening water with an arrangement that allows the plant to operate continuously. The plant tank is divided into to two separate compartments that work simultaneously. One compartment effects water demineralizat...
12/06/2005
6955266Strainer
A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis...
10/18/2005
6923908Filter apparatus
A filter apparatus for use in liquid chromatography systems includes a housing component having an open channel formed therethrough for operably receiving fluid transfer tubing in at least a first end thereof, a relatively thin mesh filter component, and a securemen...
08/02/2005
6872303Water treatment cartridge
The water treatment cartridge is a cartridge adapted to fit into a conventional water filter housing to release a sanitizing dose of a water-treating chemical, and in particular chlorine dioxide, into a water treatment system or unit process. The cartridge is filled...
03/29/2005
6843920Ion exchange system using U-tube principle
This invention is a liquid separation system using ion exchange resin, adsorbent resin and catalytic resin based on U-tube principle. It is shown that relatively low fluid velocity is sufficient to maintain the resin bed in compacted state during the operation as we...
01/18/2005
6841067Filtration device for liquids
A filtration device for liquids is provided and includes a filtration beaker filled with a filtration material and a lid. The lid is connected to the filtration beaker in a liquid-tight manner to define an inner volume, and includes at least one liquid inlet and at ...
01/11/2005
6830684Integrated liquid and gas distribution device for underdrain block laterals
The invention recites a filter comprising a block including an outer wall defining an inner chamber and a block exterior, and a conduit having a conduit wall, a first conduit end, a second conduit end, and an inner flow path providing fluid communication between the...
12/14/2004
6790345Underwater filtration operator
An underwater filtration operator which can be suspended in a river, lake, pond or other water body to filter water from the water body. The underwater filtration operator may be electrically charged to discharge impurities in the water body and increase filtering e...
09/14/2004
6730229Filter screen nozzle and system for fluid processing
A nozzle and associated system is for treating fluids is provided, particularly for a system including a reaction vessel containing a granular filter or ion exchange medium and a fluid manifold immersed in the granular or ion exchange medium. The nozzle has an outer...
05/04/2004
6730215Apparatus for treating waste water
The present invention relates to an apparatus including a pressure layer having an ability of following up the deformation or movement of a packed bed of a solid catalyst and/or solid adsorbent which is provided on the packed bed. Specifically, the present invention...
05/04/2004
6605211One-piece underdrain for swimming pool filters
The present invention relates to pool filters. An underdrain design is disclosed that primarily relies on a peripheral ring rather than lateral projections to transfer the water to the sand. The ends of the ring are not joined so that the ring is not clos...
08/12/2003
6605216Deep media filter
A compact, rapid upflow deep media filter for removing suspended solids from a liquid flow, which includes: a filter casing having a liquid inlet port, a liquid outlet port, and a filter bed composed of a volume of granular filter media and located betwee...
08/12/2003
6500338Fuel filter and dryer
A fuel filter/dryer having a casing, and the casing having an inlet and an outlet. At least a portion of the casing is filled with a desiccant through which the fuel flows. Also within the casing, is a particulate filter which removes harmful particles fr...
12/31/2002
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