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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 210/88 - Meter-controlled cyclic systems


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which a meter controls an operating cycle of
No. of patents: 41
Last issue date: 05/15/2012


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NumberTitleIssue Date
8177966UV liquid storage and dispensing device
A liquid storage and dispensing device with a filter for removing minerals and a UV light source for killing pathogens existing in a liquid. A liquid is introduced into the device via the inlet. The liquid passes through the filter into a collector. The filtered liq...
05/15/2012
7892419Device and method for treating water
Device for treating water with a supply (3); a treatment tank (4); a drain (9); a regulator (13); and a bypass (22) which connects the supply (3) to the drain (9), characterised in that in the main canalisation (2
02/22/2011
7476311Arsenic removal from aqueous media using chemically treated zeolite materials
Systems and methods are provided for the removal and disposal of arsenic from an aqueous medium. The systems and methods include the removal of arsenic from a source by contact with either a chemically treated natural or synthetic zeolite, for example a ferric-loade...
01/13/2009
7326325Apparatus and method for connecting water treatment devices
A method and apparatus for connecting water treatment devices is provided. Connecting brackets may allow for a multiple configurations of water treatment devices and can simplify the building of water treatment systems. ...
02/05/2008
7267658Renal replacement therapy device for controlling fluid balance of treated patient
A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the extracorporeal fluid circuit. The first and second panels are oriented in a flui...
09/11/2007
7249524Fluid flow rate and volume sensor, and filtration apparatuses and purification apparatuses having such a sensor
A flow rate and volume sensor for determining the rate and volume of fluid flowing through an apparatus, such as an apparatus for filtering and/or conditioning and/or purifying fluid, such as water, and for indicating when a predetermined volume of fluid has flowed ...
07/31/2007
7144500Variable speed waste removal system
The invention is directed to a system for removing waste material from a fluid flowing in a channel. This system may incorporate the use of a trap for collecting the waste material while allowing the fluid to pass; a rake for removing the waste material away from th...
12/05/2006
7104115Fluid treatment apparatus with input and output fluid sensing
Various sensor unit configurations are disclosed within the context of a fluid quality monitoring system. The distribution of sensor units can be accomplished using existing product distribution channels to sell, distribute and install sensor units so that a fluid d...
09/12/2006
7096887Fluid valve
A dual outlet valve is provided that is capable of obtaining a closed state for both outlet ports, a low flow for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least ...
08/29/2006
7097765Water heater filter
A water heater filter is provided for the removal of minerals and sediments from water, comprising a cylindrical filter housing element comprising an upper chamber and a lower chamber linked by a small diameter section, an inlet fitting, a conical fine mesh stainles...
08/29/2006
6962657Water treatment system
A water treatment system for removing hard ions from source water. The water treatment system is of the type that includes a pair of ion-exchange water softener tanks connectable to a source of pressurized water and with a water system to supply softened water to th...
11/08/2005
6929748Apparatus and method for continuous electrodeionization
A method of water purification including the steps of passing source water through at least one reverse osmosis unit to produce a product water and reject water, directing the product water from a reverse osmosis unit into the dilution stream of a continuous electro...
08/16/2005
6926821Water treatment device with volumetric and time monitoring features
A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the...
08/09/2005
6916424Method and apparatus for a hemodiafiltration delivery module
This invention provides a method and apparatus for a hemodiafiltration delivery module that is used in conjunction with a UF controlled dialysis machine to enable hemodiafiltration therapy to be performed. The advantage is that one can fully utilize a current functi...
07/12/2005
6908546Apparatus and method for producing purified water having microbiological purity
A process is provided to produce water that will meet the specifications of the United States Pharmacopeia Inc. for Purified Water and Water for Injection, and water for dialysis as circumscribed by the American Association for Advancement of Medical Instrumentation...
06/21/2005
6596174Diesel fuel cleaning and re-circulation system
A fuel recirculation and cleaning assembly comprising a planar surfaced support base, an upright support secured to the support base and a flange extending from support base to form an enclosed area around the planar surface. A filter assembly for separat...
07/22/2003
6397687Water usage monitor and regulator
A water monitoring and regulation apparatus comprising two vanes connected to two flow meters, a timer, a main gear connected to the two vane shafts, a timer gear connected to the timer, a shut off mechanism, a manual reset and an automatic reset when the...
06/04/2002
6361518Extracorporeal blood processing methods and apparatus
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc...
03/26/2002
6355177Water filter cartridge replacement system for a refrigerator
A water filtering system for a refrigerator determines a need for a filter change by timing the period of actuation of at least one valve used to regulate the flow of filtered water to both a water dispenser and an ice maker. Based on a known flow rate, a...
03/12/2002
6287457Water treatment device having volumeter driven monitoring discs
A water treatment device wherein the water during treating is brought into contact with a treatment medium (29), whereby this treatment medium (29), either by means of a regeneration medium (42) or not, is regenerated regularly and whereby, a regulator (5...
09/11/2001
6001249Multi-stage water filter system
A water filter system having a housing for a plurality of serial-flow connected filter cartridges with distinct filtering characteristic related to the direction of flow of water being filtered. Each filter cartridge has a membrane wrapped activated carbo...
12/14/1999
5928504Faucet-mounted water treatment device
A faucet-mounted water treatment device including a flow totalizer and an end-of-life indicator cooperating with the totalizer to tell the user when it is necessary to replace the filter cartridge. End-of-life indication is provided by a valve which stops...
07/27/1999
5925240Water treatment system having dosing control
A water treatment system having dosing control for providing treated water having very low organic and ionic contamination, that can be accurately dispensed. The water treatment system having dosing control includes a water inlet hydraulically connected t...
07/20/1999
5667670Wastewater effluent management system using a sand filter
A system for controlling effluent discharge having an inlet for passing wastewater, a filter connected to the inlet for removing solids from the wastewater, a filtered water retaining tank connected to the outlet of the filter for accumulating a portion o...
09/16/1997
5622618Apparatus for monitoring cumulative flow of fluid through a filter medium
Apparatus is provided for use as an in-line fluid flow monitor through filter media of a variety typically employed in domestic applications upstream of a kitchen faucet as well as unusually low pressure water supplies. Apparatus includes an outer housing...
04/22/1997
5527451Water treatment device with volume totalization valve
A water treatment device including an arrangement having mechanisms for mechanically totaling the volume of water filtered and for indicating when the replaceable filter cartridge has reached the end of its useful life. End-of-life indication is provided ...
06/18/1996
5525214Filter cartridge for water treatment device
A water filter cartridge including an outer shell, an inlet opening proximate a first end, an outlet opening and a cam extending axially from the first end. Cam is constructed and arranged so as to reset a mechanical flow totalization mechanism in a water...
06/11/1996
5522998Hemodialysis apparatus having a single balance chamber and method of dialyzing blood therewith
In a dialysis apparatus having a dialyzer and a single balance chamber, the internal volume of the balance chamber is preferably at most 2/3 of the volume of the dialysis fluid chamber within the dialyzer. As a result, during the dialysis fluid recirculat...
06/04/1996
5300230Comprehensive water treatment system
A method is disclosed for the cyclic regeneration of a water softening system having a plurality of parallel water treatment units, N, each containing a water softening treatment bed which requires periodic regeneration. The method entails first calculati...
04/05/1994
5200090Multiple fluid source isolation, metering and alarm system and method
A system is provided for weighing and monitoring flow from multiple fluid sources into a flow system wherein incoming fluid is received in a weighing bag attached to a control system for monitoring the amount of fluid passed through the weighing bag and f...
04/06/1993
5065901Apparatus for monitoring a flow of fluid through a filter medium
Apparatus is provided for use as an in-line fluid flow monitor through filter media of a variety typically employed in households upstream of a kitchen faucet. The apparatus includes a housing with an input port leading to a housing cap within which a tur...
11/19/1991
5050772Apparatus for monitoring a flow of fluid through a filter medium
Apparatus is provided for use as an in-line fluid flow monitor through filter media of a variety typically employed in households upstream of a kitchen faucet. The apparatus includes a housing with an input port leading to a housing cap within which a tur...
09/24/1991
5022994Fluid treatment system
A method and apparatus for controlling a fluid treatment apparatus that includes a resin tank containing an ion exchange media. A control valve controls the regeneration cycle and includes a regeneration control turbine operatively connected to a regenera...
06/11/1991
4935151Process and apparatus for degassing and filtering liquids
In a process for degassing and filtering liquids, particularly coating emulsions, a feed stream (F) is subdivided into a process stream (N), which is fed continuously to a process use through a main filter (16), and a recycled fractional stream. The fract...
06/19/1990
4769135Automatic metering system
A fluid metering device (10) is provided for automatically restricting (i.e., shutting off or reducing) fluid flow to a filter (16). The metering device (10) has a vane (32) which turns as fluid flows and thereby drives a gear (92). Once the vane (32) has...
09/06/1988
4721564Apparatus for the filtration of plasma from blood
A blood processing apparatus which comprises a blood circulating circuit including a plasma filter, a plasma circulating circuit for draining at least a portion of the blood plasma and for supplying a physiologically compatible fluid substitute to the sub...
01/26/1988
4693814Water treatment apparatus
A water treatment system including a pair of tank assemblies 110, 112 interconnected by a valve module 114 for controlling the communication of water to be treated to an on-line tank and the regeneration of an exhausted tank. Each tank assembly includes a...
09/15/1987
4681677Water processor having automatic shutoff and bypass means
A water treatment or processor device for household use or commercial use (for example, in a restaurant) is provided with fail-safe features in accordance with this invention to shut the treatment device "off" when an element thereof has become ineffectiv...
07/21/1987
4539106System and apparatus for water conditioning
A water softening system and apparatus utilizes two tanks, one for service and one for regeneration, and a control system operated by soft water flow controls the operation of all valves and the sequences of regeneration. The control system utilizes paral...
09/03/1985
4298025Control valve for water softeners
An improved water softener control valve having a housing defining a servo-control chamber that encloses concentrically mounted water usage and regeneration control discs. Each disc is incrementally rotatable by ratchet drives that are driven by water usa...
11/03/1981
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