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6171070 |
High-pressure reciprocating pumps
A high-pressure reciprocating pump is constructed such that a plurality of plungers connected to a driver are made to move back and forth and intake channels or discharge channels are opened and...
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6168670 |
Method of pickling articles of copper and metals less noble than copper
Articles of copper and brass can be uniformly pickled in a solution utilizing peroxosulfate as the active agent when the concentration of additives in the form of organic sulfur compounds,...
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6165282 |
Method for contaminant removal using natural convection flow and changes in solubility concentration by temperature
Apparatus and methods are described for removing contaminants from an article using a supercritical or near supercritical solvent fluid held at substantially constant pressure in a pressure vessel....
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6162304 |
Cleaning vapor compression systems
Cleaning a component of a vapor compression system with a cleaning composition having a hydrofluorocarbon as an active ingredient.
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6159303 |
Liquid displacement apparatus and liquid displacement method
A liquid displacement apparatus comprises a processing tank for placing a target object in its inside, a supply unit for supplying at least pure water into the processing tank from a lower part...
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6156128 |
Process and apparatus for washing contaminations from material retained on a trash rake
Material retained on a trash rake is washed in a washing chamber by compacting the material before it enters the washing chamber with a screw conveyor passing horizontally through the washing...
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6153017 |
Treatment of soil contaminated with oil or oil residues
A method for removal of hydrocarbon materials from solid particulate soil contaminated with the hydrocarbon materials. The method comprises forming an aqueous slurry of a mixture of a hydrophobic...
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6153015 |
Process for removing soap-contaminated conversion layers on metal workpieces
The process for removing a soap-contaminated conversion layer remaining on a metal workpiece after cold-forming with an aqueous acidic cleaning composition containing water, a surfactant such as an...
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6149731 |
Valve cleaning method
A valve cleaning apparatus and method provide for cleaning of heat resistant, scratch resistant coated valves using deionized water and at least one chemical mixture. The cleaning method includes...
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6147274 |
Method for decontamination of nuclear plant components
A process for removing undesirable material such as a radioactive contaminant from an underlying material. A solution containing fluoroboric acid and a material which affects the fluoroboric acid...
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6146468 |
Semiconductor wafer treatment
Method and apparatus for cleaning semiconductor devices and other workpieces using an aqueous rinse solution which is de-oxygenated and hydrogen enriched by passing the aqueous rinse solution and a...
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RE36925 |
Vacuum treatment apparatus and a method for manufacturing semiconductor device therein
When an object of treatment is subjected to, for example, a gas treatment in an airtight chamber, reaction products adhere to the inner wall surface of the chamber, an object holder therein, and...
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6135127 |
Process and machine for treating flat surfaces
A negative pressure ring is formed around the surface to be cleaned and an air flow loaded with solid particles is directed onto the surface, which based on its kinetic energy treats the surface...
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6136204 |
Apparatus for treating a process fluid
An automatic control apparatus for effecting the continuous removal of contaminants, such as volatile organic compounds (VOCs) from a process fluid, such as water used to wash print towels or the...
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6132523 |
Method of cleaning a substrate in a cleaning tank using plural fluid flows
A cleaning apparatus and method in accordance with the present invention includes a first inflow section, provided on a first side surface of a cleaning tank having a substantially rectangular...
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6129847 |
Recovery of raw materials from magnetic recording media
Magnetic powder and substrate material are separately recovered from finely chopped wastes of magnetic recording media consisting of a polymeric substrate and a magnetic layer present thereon in...
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6123838 |
Purification system for dry cleaning separator waste water
A method and apparatus for purifying separator waste water from a dry cleaning process. The present invention utilizes 3 stages of purification. In Stage one, highly contaminated separator waste...
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6117190 |
Removing soil from fabric using an ionized flow of pressurized gas
A piece of soiled fabric is cleaned by contacting it with a jet of an ionized soil-dislodging gas to dislodge the soil therefrom. The ionized gas and the use of an oppositely charged electrostatic...
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6103017 |
Automatic purge filtration for a dishwasher
A dishwasher pump and automatic purge system for a dishwasher having a recirculation pump, a drain pump and a wash chamber having a sump. The recirculation pump includes a main outlet and a...
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6093257 |
Method for cleaning a substrate with a composition comprising radiation curable groups
A method of cleaning a substrate by covering the substrate with a composition in a sufficient amount to clean the substrate. The composition includes a substantial amount of at least one low...
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6090216 |
Cleaning device and cleaning method for applicator nozzle
A cleaning device for cleaning a slit-like nozzle having an opening of a predetermined breadth for discharging liquid paint, with uniformity and with a small amount of cleaning liquid, wherein...
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6086635 |
System and method for extracting water in a dry cleaning process involving a siloxane solvent
A system and method are provided for separating water from a solvent during dry cleaning. Included is an inlet capable of receiving a mixture of dry cleaning fluid and water from a basket of a dry...
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6080361 |
Contact lens cleaning and disinfecting system
A system and method for cleaning, disinfecting and storing contact lens in an all-in-one unit is provided. The system employs preservative-free saline solution, a disposable bacteriological filter...
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6077437 |
Device and method for recovering and reusing a polishing agent
A polishing agent recovery and reuse method and device for the same removes large impurities by a filtration device, concentrates by an ultrafiltration device, and continuously recovers polishing...
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6063206 |
De-oiling process using enzymes
Compositions and methods are provided for cleaning and de-oiling metal parts and then degrading the removed oils or other organic compounds in an environmentally-friendly manner. The compositions...
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6049021 |
Method for remediating sites contaminated with toxic waste
Methods for decontaminating toxic waste, particularly solid carrier materials, such as soil contaminated with a toxin, or solid mixed wastes are more efficiently decontaminated with solvated...
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6048408 |
Method of filtering debris from fluid back splash
A method of filtering debris from the fluid back splash off a structure that is being pressure washed. The fluid falling onto a filter screen and passing through the filter screen before entering...
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6045621 |
Method for cleaning objects using a fluid charge
A method for cleaning an object. The method (400) includes immersing (420) an object in a liquid comprising water, which can be ultra-clean. The object has a front face, a back face, and an edge....
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6045698 |
Method for cleaning a filtration installation of the type with immersed membranes
The invention relates to a method of cleaning a filtration installation of the type including a plurality of immersed membranes in at least one tank containing an effluent to be filtered, said...
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6041796 |
Apparatus for drying objects with fluids
An apparatus for drying objects with fluids includes the introduction of an object (46) to be dried into a container (12). The container (12) is filled with a first fluid (48) from the bottom (16)...
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6036864 |
Process for reducing water consumption during wet processing of textiles
An economical process for reducing water consumption and, therefore, water discharge during the dyeing of textile goods is disclosed. Processing baths during dyeing, which can be reused directly or...
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6036870 |
Method of wellbore fluid recovery using centrifugal force
A method for recovering a component from a wellbore fluid mixture has been invented that includes feeding a wellbore fluid mixture to a decanting centrifuge, the wellbore fluid containing at least...
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6033485 |
Process for the pickling of metallic materials
Method in which the pickling solution is sprayed onto the metal part in a confined atmosphere with an oxygen supply by feeding into the spraying enclosure an oxygen-containing gas, the pickling...
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6017398 |
Immersed metal cleaning by subjecting object to natural resonant frequency
A method of cleaning a metal part such as a casting, wherein the part to be treated is placed on a support plate inside a container full of fluid, and at least one vibration generator is positioned...
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6017397 |
Automated washing method
A system and a method for washing objects, such as cassettes and carriers used to hold and transport silicon wafers during manufacture of semiconductor chips. The method employs the steps of...
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6013138 |
Method for cleaning a pipe with a vehicle
The present invention relates to a mobile pipe cleaning vehicle and a process for cleaning pipes with a mobile pipe cleaning vehicle. The vehicle can be used to clean pipes, e.g., wastewater or...
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6006763 |
Surface treatment method
A method for surface treatment of a substrate is described in which a gas discharge at or about atmospheric pressure produces activated gas or active species which are then used for surface...
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6004401 |
Method for cleaning a semiconductor structure
A shielding apparatus and method of use for preventing premature entry of a liquid into an overflow drain tube. The shielding apparatus has a shielding member, which may be convex, positioned over...
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6004466 |
Recovery and reuse of sugar-derived nonionic surfactants from aqueous solutions
Contaminated aqueous systems can be cleaned using an ultra-filtration process that allows for the recovery of high yields of the surfactant employed therein for recycle and reuse. The system...
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6004434 |
Method of recycling cleaning solvent
A method of treating cleaning solvent used to clean mechanical parts. The method includes adding to the cleaning solvent a treating composition selected from the group of C 5 -C 14 alcohols, C 2 ...
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6004403 |
Solvent cleaning system
A improved solvent cleaning method and system which is truly a closed system in which the object to be cleaned is placed in a chamber and subjected to a negative gauge pressure to remove air and...
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6001216 |
Apparatus and methods for rerecirculating etching solution during semiconductor wafer processing
Semiconductor wafer processing methods and apparatus recirculates etching solution from a lowermost point of a container hosting wafers through a filtration device and back to a point above the...
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5989359 |
Method for drying objects with fluids
A method for drying objects with fluids includes the introduction of an object (46) to be dried into a container (12). The container (12) is filled with a first fluid (48) from the bottom (16) of...
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5989355 |
Apparatus for cleaning and testing precision components of hard drives and the like
Apparatus for cleaning, assembling, testing and inspecting contamination sensitive hardware. The apparatus includes an environmental process enclosure having an inner processing chamber, and a...
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5980644 |
Method of cleaning of spills of oil and oil products from surfaces, an adsorbent for cleaning of surfaces, and a method for making the adsorbent
The method of cleaning of spills of oil and oil products from different surfaces, including water surface and land, includes treatment by a composite adsorbent--aluminosilicate material exposed to...
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5976268 |
Method and apparatus for pressure washing
The present invention relates to methods and apparatus for removing a contaminant from an object. According to one aspect, an apparatus for washing an object which has contaminant is arranged to...
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5976264 |
Removal of fluorine or chlorine residue by liquid CO.sub.2
A method for the removal of fluorine or chlorine residue from an etched precision surface such as a semiconductor sample is provided which comprises exposing said precision surface to liquid CO 2 ...
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5964955 |
System for coupling operating equipment to a washer
An operating system (20) for a washer (1) is mounted on a moveable trolley (52). The trolley carries all of the failure prone elements such as pumps (24, 28, 40) solenoid valves 80, electrical...
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5961734 |
Methods for purging process lines of additives for thermoplastic materials
Methods are provided whereby additive for thermoplastic materials may be recovered in a primary additive supply system simultaneously with the supply of an additive from a secondary additive supply...
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5951204 |
Process to decontaminate soil
A process for removing water-soluble contaminates from soil includes laying a mat over and in contact with the contaminated soil, applying water to the soil, permitting the water to be transferred...
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