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| Number | Title | Issue Date |
| 8122902 | Apparatus and method for unclogging a pipe An apparatus and method for unclogging an obstructed conduit such as a wastewater pipe. The apparatus comprises at least one tube disposed in the drain pipe; and a fluid supply pipe for providing fluid from a fluid source, the supply pipe connected to the at least o... | 02/28/2012 |
| 8104497 | Microfabricated elastomeric valve and pump systems A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir... | 01/31/2012 |
| 7793676 | Method for supplying a paint application device with paint The invention relates to a method for supplying a paint application device with paint, whereby a determined amount of paint is transported between two scrapers through a scraper line, from a first scraper station which can be connected to a paint supply source, to a... | 09/14/2010 |
| 7392658 | Automated air conditioner drain line clean-out system A cleaning system for an air conditioner injects a biocide followed at regular intervals, which may be followed by a rinsing flush. ... | 07/01/2008 |
| 7368139 | Aseptic processing system for fruit filling An apparatus for aseptic processing of a viscous food product includes a product tank configured to hold the viscous food product. A first pump is configured to pump the viscous food product from the product tank through a heat exchanger at a given rate. A cleaning ... | 05/06/2008 |
| 7334595 | Cabinet for chemical delivery with solvent purging and removal The present invention is an apparatus and process for storing and delivering a low vapor pressure process chemical to a process tool for semiconductor fabrication, comprising: a) a bulk container for storing the process chemical; b) a process container for deliverin... | 02/26/2008 |
| 7293477 | Disposable, pre-sterilized fluid receptacle sampling device The present invention provides a fluid sampling device comprising a port insert, a plurality of flexible conduits, and a plurality of sample containers. The port insert comprises a body having a plurality of shafts therethrough and sample gating means for individual... | 11/13/2007 |
| 7225834 | Recreational vehicle valve and connector assembly for rinsing a sewer hose A valve and connector assembly for interconnection with and rinsing of sewage hoses including sewage discharge hoses and connectors for Recreational Vehicles. The assembly comprises a connector for interconnection with a sewage hose having connectors compatible with... | 06/05/2007 |
| 7213606 | Valve device, a unit for unloading loose materials from a dispenser device to a user unit comprising the valve device and a method for unloading loose material from a dispenser device to a user unit A valve device comprises a pipe, a first closing element, mobile between a first position in which it leaves the pipe open and a second position in which it seals the pipe closed, a second closing element, mobile between a first position in which it leaves the pipe ... | 05/08/2007 |
| 7211220 | Method for cleaning /disinfecting /sterilizing the water circuits of dental units and a dental unit implementing the method A method for cleaning/disinfecting/sterilizing the water circuits (1) of dental units (100) comprises at least the following steps: introducing a cleaning/disinfecting/sterilizing fluid into the water circuit (1); holding the cleaning/disinfecti... | 05/01/2007 |
| 7174915 | Water re-circulation valve A valve is provided for use in a domestic water re-circulation system The valve has a unitary body member that includes an upstream end and an upstream portion disposed adjacent to the upstream end. The body member also includes a downstream end and a downstream por... | 02/13/2007 |
| 7160458 | Method for purification of process water from a kerosene desulfurization plant Method for purification of process water, in particular coming from a kerosene desulfurization plant, and related plant, comprising the steps of neutralizing the process water, carrying out a washing of the process water by a solvent, and biologically treating the p... | 01/09/2007 |
| 7017604 | Thermally insulating interfaces At least one of a valve body, a sealing tip and a vessel or conduit includes at least one space formed therein between an interior of the vessel or conduit and an internal cavity of the valve. The space includes an active or passive thermal insulation forming at lea... | 03/28/2006 |
| 6986356 | Beverage flow line cleaner with safety indicator and method of use A method of cleaning potable liquid flow lines employing a high pH caustic cleaning solution or a low pH acid cleaning solution with a stable dye in sufficient concentration so as to have a visible color when the solution is further diluted. The cleaning solution is... | 01/17/2006 |
| 6953047 | Cabinet for chemical delivery with solvent purging The present invention is an apparatus for storing and delivering a low vapor pressure process chemical to a process tool for semiconductor fabrication, comprising: a) a bulk container for storing the process chemical; b) a process container for delivering the proces... | 10/11/2005 |
| 6948512 | Flushing attachment for hydrant A device and method for automatically flushing hydrants. The device is installed externally to an existing hydrant. The device comprises a nipple having an internally threaded collar for attaching the device to a hydrant outlet, a valve, a control for automatically ... | 09/27/2005 |
| 6931950 | System and processes for particulate analysis A system for analyzing particles including: a source of solid particles; a sampler apparatus attached to and integral with the source of solid particles which apparatus is adapted to enable removal of small amounts of sample material from the source; a sonication ce... | 08/23/2005 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6905605 | Method for inhibiting the plugging of conduits by gas hydrates A method for inhibiting hydrate formation in a hydrocarbon flow by adding an amount of a dendrimeric compound effective to inhibit formation of hydrates at conduit temperatures and pressures, and flowing the mixture containing the dendrimeric compound and any hydrat... | 06/14/2005 |
| 6843813 | Rejuvenation and/or cleaning of catalysts Compositions and methods are provided forcleaning and/or rejuvenating catalysts, including catalysts of the type used in vehicle catalytic converters. The compositions of the invention comprise a hydrocarbon source and an oxygen donor, which may be one and the same ... | 01/18/2005 |
| 6820635 | Flushing attachment for hydrant A device and method for automatically flushing hydrants. The device is installed externally to an existing hydrant. The device comprises a nipple having an internally threaded collar for attaching the device to a hydrant outlet, a valve, a control for automatically ... | 11/23/2004 |
| 6817366 | Beverage flow line cleaner with safety indicator and method of use A method of cleaning potable liquid flow lines employing a high pH caustic cleaning solution or a low pH acid cleaning solution with a stable dye in sufficient concentration so as to have a visible color when the solution is further diluted. The cleaning solution is... | 11/16/2004 |
| 6792963 | Coolant fed humidifier having siphon drain and method therefor A hot water humidifier with an automatic siphon drain fed with cooler source water is flushed via a drain. The humidifier includes the humidifier tank and an inverted U-shaped siphon conduit having one end coupled to the tank and the other end coupled to the drain. ... | 09/21/2004 |
| 6740139 | Automated system for de-oxygenating and dispensing solution An embodiment of the invention is an automated system for transporting and deoxygenating a solution. The system is designed to: 1) transport a solution through a deoxygenating device 2) continuously monitor the oxygen content of the deoxygenated solution 3) collect ... | 05/25/2004 |
| 6698444 | Freeing of seized valves In order to free a seized valve, an inspection port is formed in a wall of the valve body and the areas where the valve is seized are determined. One or more injection ports are formed in the valve body adjacent to the seized portions of the valve, pressu... | 03/02/2004 |
| 6691731 | Corporation stop cleaning device A corporation stop cleaner device includes a T-shaped body having an inlet end, an outlet end, a flushing inlet connection and a flushing outlet connection. The T-shaped body is attached to the fluid inlet of a corporation stop. A removable brush is mount... | 02/17/2004 |
| 6627089 | Water main recirculating/filtering/flushing system and method A truck houses a closed recirculation system having a series of hoses, filters and pumps interconnecting a first point and second point, preferably hydrants, of a water supply system. A flow of water pumped outside of the water supply system through the f... | 09/30/2003 |
| 6601600 | Annular fluid manipulation in lined tubular systems to enhance component mechanical properties and flow integrity A method of treating fluids in an annulus (18), comprising the steps of: providing a fluid-circulation annulus (18) between a host tubular (10) and a liner (17) therein; and manipulating fluids in the annulus (18) so that the relative proportions of fluid... | 08/05/2003 |
| 6599430 | Apparatus for cleaning and pressure testing hydraulic control systems Method and multipurpose apparatus for internally cleaning a hydraulic control system are disclosed. The method is carried out by establishing a turbulent flow of cleaning fluid through the hydraulic control system and maintaining the turbulent flow until ... | 07/29/2003 |
| 6532981 | Dip tube valve assembly An apparatus for inoculating a sample to or withdrawing a sample from a vessel or conduit includes a body with an internal collection chamber formed therein. A valve operating rod is movable to open and close an orifice in the collection chamber. The mech... | 03/18/2003 |
| 6505639 | Hygienic three way valve The invention pertains to a hygienic three way valve for dispensing medicinal, pharmaceutical and food products or other fluid materials which require the processing of fill products without contamination while providing a positive control over the the fi... | 01/14/2003 |
| 6484745 | Fill valve assembly A positive control fill valve for dispensing fillable materials which eliminates dripping, splashing, sloshing and contamination of fill materials is provided with a fluid activiated fill piston having a substantially cylindrical piston sealing head coope... | 11/26/2002 |
| 6467498 | City water flushing and sludge prevention control method For use with a city water system having a plurality of street water mains interconnected by branch water mains and having hydrants connected to the branch water mains, a city water flushing and sludge prevention method consisting the steps of: inserting a... | 10/22/2002 |
| 6453929 | Rotary wash valve A wash system for a fluid handling system that permits simultaneous washing of a plurality of parallel fluid channels is disclosed. In one aspect of the invention, a specialized rotary wash valve is described. In another aspect of the invention a system w... | 09/24/2002 |
| 6443176 | Flush valve with rotatable grate A flush valve (2) includes a body (4) having a remotely actuated element (14) between an inlet (22) and an outlet (24) of the valve. A rotatable grate (8) having angled vanes (10) is positioned at the outlet whereby the direction of fluid flow can be sele... | 09/03/2002 |
| 6427715 | RV holding tank connector and method A connector for an RV sewage holding tank includes a water inlet and a rotatable valve connected thereto. The valve has a plurality of positions and a spherical nozzle on the valve allows manual rotation whereby fresh water can be directed towards the hol... | 08/06/2002 |
| 6418960 | Ultrasonic enhancement for solvent purge of a liquid delivery system The present invention generally provides an apparatus and method for improving the process of purging a liquid delivery system used in integrated circuit manufacturing. The liquid delivery system comprises ultrasonic transducers mounted to various compone... | 07/16/2002 |
| 6345640 | Dip tube valve assembly An apparatus for inoculating a sample to or withdrawing a sample from a vessel or conduit includes a body with an internal collection chamber formed therein. A valve operating rod is movable to open and close an orifice in the collection chamber. The mech... | 02/12/2002 |
| 6336468 | Chemical supply tube isolation system A supply tube isolation system for use with a chemical delivery system includes a feedback tube connected between the manifold and each of the supply tubes connected between the chemical supply containers and the chemical pumps of the chemical delivery sy... | 01/08/2002 |
| 6200068 | Hot tap fluid blaster apparatus and method of using same A apparatus and method of using the apparatus for removing a blockage in a subsea pipeline without retrieval of the pipeline to the surface. The apparatus components include a hot tap saddle, a drill assembly, a fluid blaster assembly and a support frame.... | 03/13/2001 |
