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Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 210/90 - Fluid pressure responsive


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus responsive to fluid pressure.
No. of patents: 553
Last issue date: 05/29/2012


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NumberTitleIssue Date
8187458Oil filter
An oil filter assembly is disclosed for a machine, such as an internal combustion engine, that has an oil output port and an oil input port. A mounting plate is fixed with an outer enclosure and is adapted for securing to the machine. The mounting plate is further a...
05/29/2012
8163172Installation for treating a biological liquid
Installation for treating a biological liquid, including a circulation pump (5), a filter element (9), a container for collecting treated liquid, a first circuit section connecting a source of said biological liquid to an inlet orifice of said filter e...
04/24/2012
8157987Multiple filter controller and method of use
A multiple filter controller for monitoring two or more filters to detect when any of the filters is malfunctioning and for polishing a fluid, wherein the multiple filter controller comprises a first filter; a second filter; an inlet valve, wherein the inlet valve p...
04/17/2012
8147683Portable lubricant filtration system and method
A portable lubricant filtration system and method is provided for facile pre-filtering of used or new lubricant prior to pumping the lubricant into its intended machinery. ...
04/03/2012
8147684Apparatus and methods for lubricant filtration and drum pump filtration system
A lubricant filtration assembly is provided for quick attachment with a lubricant reservoir, for pre-filtering lubricant and pumping the lubricant into its intended machinery. ...
04/03/2012
8066871Filtration system incorporating modular one-piece end caps
A hydraulic filter includes a canister extending along the longitudinal axis. A closed end cap is at one end of the canister for closing one end thereof. A removable filter element is contained within the canister and a modular one-piece input end cap is at an end o...
11/29/2011
7879227Screen condition checking apparatus and method
An apparatus for the condition checking of a screen cloth in a vibrating screen for drilling fluid, comprising a pump for drawing a drilling fluid sample from the bottom tray of the vibrating screen into the apparatus, a filter for filtering the drilling fluid sampl...
02/01/2011
7824544Device for continuously filtering material mixtures
The invention relates to a device which is used to continuously filter material mixtures, in particular for separating impurities from plastic melts. The device includes a hollow cylindrically-shaped filter element (2) which is arranged inside a housing (1...
11/02/2010
RE41761Gray-water recycling system
A gray-water recycling system for reclaiming gray-water for use in toilets and lawn care. The system includes a reservoir adapted to treat gray-water and includes an intake pipe, an outlet pipe and an overflow pipe. An inlet coupled to the intake pipe supplies gray-...
09/28/2010
7754069Filter for trapping foreign matter
It is an object of the present invention to provide a filter for trapping foreign matter in which a filtration element can trap foreign matter that is admixed to a fluid present inside the filter with good reliability and a comparatively high trapping ratio. Hydraul...
07/13/2010
7699976Upflow bioreactor with septum and pressure release mechanism
An upflow bioreactor includes a vessel having an inlet and an outlet configured for upflow operation. A septum is positioned within the vessel and defines a lower chamber and an upper chamber. The septum includes an aperture that provides fluid communication between...
04/20/2010
7615146Fluid filter with restrictive filter media for pressure relief
A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent housing having a fluid inlet for communicating a fluid into the housing a...
11/10/2009
7470360Fluid flow restriction indicator
An indicator suitable for signaling restricted flow of a fluid through a filter mounted in a filter assembly includes a housing having an inner cavity. A diaphragm disposed within the housing separates the inner cavity into first and second chambers and deflects fro...
12/30/2008
7445705Particle filter for fuel cell coolant
A particle filter for a fuel cell coolant is disclosed. The particle filter includes a filter housing having an upstream end for receiving the coolant and a downstream end for discharging the coolant. A filter element is provided in the filter housing. A pressure ga...
11/04/2008
7442291Filter integration for a lubrication analysis system
A system and method relating to in situ monitoring, analysis, and control of a lubricating material within a lubrication filter assembly is provided. A filter-sensor integration comprises a lubrication filter assembly and at least one lubrication sensing assembly, w...
10/28/2008
7442292Liquid visual display
A display provides an indication of the remaining useful life of a filter element by providing a visible level of fluid in the display corresponding to the remaining useful life. The fluid level is adjusted by a valve responsive to a pressure differential across the...
10/28/2008
7438800Arrangement for filtering hydraulic fluid
An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a pressure change is caused by the contamination of the filter element. ...
10/21/2008
7435347Filter device and parts thereof and a method for operating of the filter device
A filter device has a filter housing part (10) with a filter element (12) and can be detachably connected to another filter housing part (20). A valve (24) clears a fluid path in the interconnected state of the housing parts (10, 20
10/14/2008
7410587Liquid handling for filtration and preparative chromatography
A method and system are provided for high-precision separation of pharmaceutical or biotechnology liquids. The separation can be in accordance with direct flow filtration, tangential flow filtration or preparative chromatography. Movement of the pharmaceutical or bi...
08/12/2008
7402249Blood purification apparatus for elevating purification efficiency
A blood purification method that purifies blood taken from a body by blood dialysis or by hemodiafiltration includes the step of changing an osmotic pressure of the blood to an increasing condition until a blood volume (BV level) attains a standard blood volume, in ...
07/22/2008
7396455Brine container with filter system
Brine container, at which a suction filter (24) is disposed, in which the brine container has a circulating filter system (28), which has a filter (34) and a pump (30), with which the brine (22) can be pumped through the circulatin...
07/08/2008
7370701Wellbore completion design to naturally separate water and solids from oil and gas
A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The w...
05/13/2008
7367237MEMS vascular sensor
A micromachined sensor for measuring vascular parameters, such as fluid shear stress, includes a substrate having a front-side surface, and a backside surface opposite the front-side surface. The sensor includes a diaphragm overlying a cavity etched within the subst...
05/06/2008
7368053Membrane zeta potential measuring system
The present invention discloses a membrane zeta potential measuring system which comprises a first measuring course and a second measuring course. The provided system calculates the zeta potential of the membrane pores based on a first potential drop measured from t...
05/06/2008
7361267Dialysis machine blood circulating circuit fitting
A fitting (1) for a blood circulating circuit (4) of a dialysis machine has a first ans a second mouth (8, 9) for connecting the fitting (1) to a first ans a second portion (2, 3) of the blood circulating circuit (4) respect...
04/22/2008
7354510Extracting apparatus
A mechanism for introducing pressurized air into an extracting cartridge comprises an air pump, an on-off valve, and a pressure sensor for detecting an internal pressure within the extracting cartridge. The on-off valve is turned on in order to introduce the pressur...
04/08/2008
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
7338595Flow-through tank for water treatment
A fluid treatment system includes at least one flow-through tank, a treatment device configured for treating at least one of an untreated fluid and a treated fluid and providing the treated fluid to the at least one flow-through tank and at least one sensing device ...
03/04/2008
7335334Active air removal from an extracorporeal blood circuit
A disposable, integrated extracorporeal blood circuit employed during cardiopulmonary bypass surgery performs gas exchange, heat transfer, and microemboli filtering functions in a way as to conserve volume, to reduce setup and change out times, to eliminate a venous...
02/26/2008
7329337Universal filter base and engines using same
Filters that remove particulate and other solids from fluids often come in various sizes and include various types of seals. However, filter bases to which the filters are attached are generally manufactured to accommodate only one specific size of filter including ...
02/12/2008
7329342Metallic particle trap bypass filter
A metallic particle trap bypass filter is disclosed generally comprising a housing, a filter element disposed therein, an inflow chamber, an outflow chamber, a bypass valve connecting these chambers, and a magnet disposed in the outflow chamber. In some embodiments,...
02/12/2008
7322243Acoustic wave etch rate sensor system
An acoustic wave sensor system for monitoring the etch rate or etch ability of a selective material has an acoustic wave sensing device having a piezoelectric substrate and at least one electrode coupled to the substrate for generating a propagating acoustic wave an...
01/29/2008
7323107Apparatus 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
7320750Centrifuge with controlled discharge of dense material
A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta...
01/22/2008
7316323Filters having improved permeability and virus removal capabilities
A filter block having a permeability of greater than about 3.0*10−9 cm2, and a F-VLR of greater than about 99% is provided. The filter block may be made of filter particles having a median particle size of less than about 50 microns and havin...
01/08/2008
7314554Extracorporeal blood treatment machine
The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit compris...
01/01/2008
7314509Gas liquid phase separator with improved pressure control
A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are controllable in response to a fluid level in the gas/liquid phase separator. Bot...
01/01/2008
7302862Flow rate-measuring device
A flow sensor 22 is provided on a wall surface of a flow path 4 in which a fluid to be measured. A member having minimal cross-section flow path 17 which has a diameter extremely smaller than that of the flow path 4 where the flow sensor ...
12/04/2007
7300581Remote mountable filter assembly
A filter assembly capable of being directly mounted to a transmission housing or to a structure other than the transmission housing. The transmission housing includes a cavity, or groove that receives a sealing device, which is used when the filter assembly is to be...
11/27/2007
7294278Method for oxygenating wastewater
A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo...
11/13/2007
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