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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 7351269 | Self cleaning filter and vacuum incorporating same A brush configured to move repeatedly over a vacuum filter. The brush will remove dust particles to prevent them from clogging the filter. In the preferred embodiment, the brush is mounted on a revolving shaft. As the shaft turns it moves the bristles of the brush o... | 04/01/2008 |
| 7309379 | Moving bed adsorber/desorber and low flow (high yield) desorber devices and their methods of use Moving bed adsorber and desorber apparatus and methods, wherein adsorbent material (e.g., beads of resin) moves over a series of vane members and a fluid flow passes between the vane members and through the flowing bed of adsorbent. An adsorbent depth regulator is p... | 12/18/2007 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 7235121 | Externally removable vacuum cleaner filter apparatus A method and structure for externally removing a filter apparatus from a vacuum cleaner. The vacuum cleaner comprises a vessel, a lid removably attached to the vessel, a port, a suction apparatus adapted to create a vacuum within the vessel and draw a substance thro... | 06/26/2007 |
| 7152276 | Filter assembly for a cyclone-type dust collecting apparatus of vacuum cleaner A filter assembly for a cyclone-type dust collecting apparatus of a vacuum cleaner which filters dust included in the air current discharged from the outlet port of the cyclone-type dust collecting apparatus. The present filter assembly comprises a rotating filter r... | 12/26/2006 |
| 7152277 | Filter assembly for cyclone type dust collecting apparatus of a vacuum cleaner A vacuum cleaner, centrifugally separates contaminates from air and collects them in a filter assembly that includes a rotary filter connected to an exhaust port. The filter is provided with a suction grill portion at the outer circumference and a discharge port tha... | 12/26/2006 |
| 7131165 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 11/07/2006 |
| 7093721 | Filter assembly with sealed, magnetically coupled cleaning head actuator A filter assembly for removing filtrate from industrial process streams. The assembly includes a housing in which a filter element is disposed. The filter element has a surface against which the filtrate is trapped. A cleaning head to which cleaning blades are attac... | 08/22/2006 |
| 7086536 | Fluid filtering device with scraping element A fluid filtering device includes a housing, a driving device, a filter and a scraping device. The housing has a top portion, a wall portion downwardly extending from the periphery of the top portion and an inlet disposed in the top portion to allow the entry of flu... | 08/08/2006 |
| 7074248 | Filter cleaning device of cyclone vacuum cleaner A filter cleaning device for a cyclone vacuum cleaner which comprises a cyclone body having a suction port and a discharge port, a dust collecting receptacle connected to the cyclone body for collecting dusts separated from air drawn in through the suction port, and... | 07/11/2006 |
| 7033556 | Method and apparatus for cake-forming granular-bed filtration There is provided a granular-bed filter for cleaning a gas containing fine particulate matter (“dust”). A multiplicity of vertically disposed filter trays are assembled to form a “panel.” In each filter tray, an inclined porous plate supports a bed of granul... | 04/25/2006 |
| 6994738 | Snow filter A snow filter for an airplane cabin air supply system is provided with a coned inlet screen which allows some air to pass through and some snow to be retained. The coned configuration diverts much of the air and snow toward a downstream conical retaining and collect... | 02/07/2006 |
| 6974487 | Cooling air cleaning device for a harvesting machine A device for cleaning a perforated radiator cage with at least one end face and peripheral side on an agricultural harvesting machine, wherein the device consists of an external brush which is associated with the radiator cage and which is in turn surrounded by a un... | 12/13/2005 |
| 6969029 | Methods and systems for removing material from aircraft flight surfaces Methods and systems for removing material from aircraft flight surfaces are disclosed herein. In one embodiment, an aircraft nacelle includes an inlet housing having a lip, a wiper positioned at the lip and movable relative to the lip, and a drive assembly positione... | 11/29/2005 |
| 6928692 | Cyclone-type dust collecting apparatus for vacuum cleaner A cyclone-type dust collecting apparatus having a dust removing portion for removing from the grill portion the dust and foreign substances that become attached to the grill portion of the grill member while the grill portion is rotated by the vortex air of the cycl... | 08/16/2005 |
| 6811584 | Cyclone dust collecting apparatus for a vacuum cleaner A cyclone dust collecting apparatus having a cyclone body that has a first connection pipe connected to an extension pipe adjacent to a suction port of the vacuum cleaner, and a second connection pipe connected to the extension pipe adjacent to a body of the vacuum ... | 11/02/2004 |
| 6729154 | Air conditioner An air conditioner having a dust removing device which enables dust having stuck to its filters to be automatically removed without fail and prevents the removed dust from sticking again to the filters is to be provided. It is equipped with a sliding device 6 | 05/04/2004 |
| 6638329 | Filter having a folded dust filter element and a cleaning device for the folded dust filter element A filter for filtering dust-containing air including a filter insert (2) and a cleaning device (3) having a contact element (6) mechanically contacting the filter insert along an end edge (4a/4b) of a folded dust filter element (5) forming part of the fil... | 10/28/2003 |
| 6007607 | Apparatus and process for cleaning filters in a textile machine using a moveable scraper assembly The present invention is concerned with a process for the filtering out of fibers form an air stream, in which process a stripping blade (3), for the purpose of cleaning, is moved along the surface of a filter (2) installed in a vacuum chamber (10). A con... | 12/28/1999 |
| 5851392 | Process and apparatus for doctoring solids from a rotary filter The present invention provides a self cleaning doctor blade which is a floating blade containing beveled edges or "relief gaps" comprising beveled mitered leading edges on each blade. This arrangement allows for the blades as a whole to remain free from b... | 12/22/1998 |
| 5714065 | Filter unit for fluids A filter unit for fluids, the filter unit comprising a filter housing with at least one filter disposed therein, at least one fluid feed line, at least one purified fluid outlet line, and at least one unpurified fluid outlet line, each of which lines is p... | 02/03/1998 |
| 5638786 | Self-cleaning air filter for a fuel vapor recovery system A self-cleaning air filter for a vehicle fuel vapor recovery system includes a filter cleaning member disposed within the filter housing to clean the filter element. The filter cleaning member collides with the filter element in response to acceleration i... | 06/17/1997 |
| 5616156 | Device for the cleansing of the flue gases from waste incineration installations The device is provided with a cyclone connected to the incineration installation intended for the collection of flyash, a heat exchanger to which the cyclone is connected and intended for the reduction of the temperature of the collected flue gases and th... | 04/01/1997 |
| 5569315 | Process and device for cleaning the waste air of systems for the solidification of melts A melt is converted into pieces by being converted to individual quantities that are dropped onto a cooling surface. Disposed above the cooling surface is a hood having a suction outlet for conducting waste air to a cleaner. Disposed in the hood upstream ... | 10/29/1996 |
| 5006265 | Filter apparatus and method for removing solids from fluids The invention is a filter apparatus and method for separating suspended solids from fluids, particularly liquids. A filter chamber is defined inside a filter housing. Inside the chamber is a filter bundle, consisting of two or more filter screens, of a no... | 04/09/1991 |
| 5006136 | Rotary drum filter The rotating drum filter includes a filter cake cleaning-off unit operating with pressurized air for cleaning the filter cake off the outer jacket surface of a horizontally lying drum. The filter cake that has been removed shall not be given the chance to... | 04/09/1991 |
| 4983290 | Slit-tube filter A slit-tube filter has a hollow cylindrical filter element of bent wires which are attached to vertical retaining supports and form horizontal slits between themselves through which the liquid to be filtered passes, the cylindrical inner wall of the filte... | 01/08/1991 |
| 4861354 | Removing pollutant Methods and apparatus for removing a pollutant from a fluid stream. A nested array of fibers (1) is provided in a substantially confined region (2). The pollutant-containing fluid stream (4) is passed through a substantial portion of the nested array (1) ... | 08/29/1989 |
| 4823549 | Apparatus for collecting soot from exhaust gases of an air-compressing, self-igniting internal combustion engine Apparatus for collecting soot from soot-laden exhaust gases flowing in an exhaust gas line of an air-compressing compression ignition engine comprises a housing adapted to be incorporated in said exhaust gas line and to be flown through by said soot-laden... | 04/25/1989 |
| 4737172 | Textile machine air filter A textile machine filter has its filter surface divided into zones which can be independently wiped by a stripper movable into juxtaposition with the zones or by respective strippers assigned to each one. A common collection space is provided beneath the ... | 04/12/1988 |
| 4726821 | Apparatus for the treatment of substrates in a gas stream In an apparatus for the treatment of substances in a gas stream, in particular for the absorption and/or adsorption or filtering of gases, a plurality of annular treatment spaces, which are arranged concentric to a vertical axis in each case and are used ... | 02/23/1988 |
| 4725366 | Rake movement speed control The present invention relates to a raking apparatus which has at least an upper section and a rake section rotatably coupled to the upper section for rotatable movement from a first position spaced from the bar screen to a second position for removing deb... | 02/16/1988 |
| 4725365 | Bar screen raking apparatus and method of use A rake apparatus for use with a bar screen in a fluid channel that catches debris whereby the rake apparatus enters the channel with reciprocal movement to remove debris caught on the screen bars. The novel raking apparatus has the ability to encounter an... | 02/16/1988 |
| 4710207 | Air filtering apparatus with roller assembly for cleaning Apparatus to remove dust, fibers, lint or other undesirable particles from air. Air ladened with dust, lint or other undesirable matter is drawn into a filtering housing to contact the surface of a rotatable screen-covered drum. The air passes through the... | 12/01/1987 |
| 4673502 | Fixed filter drum and movable scraper A drum with a wedge-wire filter screen is submerged in a dirty coolant tank and filters machine tool coolant when vacuum is applied to the inside of the drum by means of a suction line at one end of the drum. The vacuum draws the coolant through the scree... | 06/16/1987 |
| 4608169 | Filter brush There is provided a filter brush for applying a substantially constant biasing force between adjacent filter elements and including a spring biasing system positioned between adjacent filter brush portions to exert an outward force on the brush bristles i... | 08/26/1986 |
| 4600414 | Apparatus for removing contaminants from heated gases Methods of and apparatus for removing contaminants from heated gases by impact separation. The contaminants are collected by adhering them to a moving surface, and they are thereafter removed from that surface.... | 07/15/1986 |
| 4519821 | Means for removing a layer of matted fibers from a filter drum A filter drum is screened off at the matted fibers take-off position on its interior face via a sealing membrane which is pressed by support sheets and a tightening element against the interior face. The drum is positioned within a housing whose interior ... | 05/28/1985 |
| 4426211 | Vacuum cleaner with dust disposal According to the present invention, there is provided a vacuum cleaner which comprises a dust collector detachably installed in a main body of the cleaner. A primary filter composed of a horizontal wall and a vertical wall is disposed within the dust coll... | 01/17/1984 |
| 4425144 | Recovery of carbon black A layer of particles of carbon black is used as a filtration medium in the separation of carbon black from a gaseous stream containing carbon black.... | 01/10/1984 |
