Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5529702 | Method for removing oil from a parts cleaning tank and the cleaning solution therein The present invention entails a method and a system for continuously removing oil from the cleaning solution being utilized in a tank for cleaning parts and particularly removing oil from parts prior to an electrocoating operation. Oil containing cleaning... | 06/25/1996 |
| 5527472 | Closed systems and methods for removing undesired matter from blood cells Systems and methods for processing blood direct blood through the inlet of a separation device for removing undesired matter while directing the blood substantially free of undesired matter from the outlet of the separation device and into a collection co... | 06/18/1996 |
| 5525235 | Method for separating a petroleum containing emulsion The invention relates to a method of separating a multiple phase liquid medium comprising a first liquid phase and a second liquid phase wherein the medium is contacted with a first filter, said filter having been wetted by a wetting agent miscible with t... | 06/11/1996 |
| 5518621 | Process for drying and solvent extraction of contaminated water-wet soils, sediments, and sludges This invention is a continuous process combining water evaporation and solvent extraction of contaminated water-wet soil, sediment or sludge, including specifically, but not exclusively Petroleum Refinery "K" and "F" wastes as defined by the U.S. Environm... | 05/21/1996 |
| 5516434 | Single cell gas flotation separator with filter media A simplified single cell apparatus and method for removal of suspended impurities in liquids using gas flotation and filtration is provided wherein the method and apparatus are preferably directed to induced gas flotation separation of suspended impuritie... | 05/14/1996 |
| 5511263 | Laundering liquids process and decontamination facility Decontamination laundering facilities and methods are disclosed including a washer area, a filtering area automatically monitoring and controlling cleaning fluid quality discharged to the environment, a clean area, and apparatus and methods for automatica... | 04/30/1996 |
| 5507954 | Process for separating grease and solid materials from a waste material A process for separating grease and solid materials from a waste material so as to produce an aqueous discharge liquid. Waste material containing grease, water and solid materials is passed into a screen tank where course solid materials are separated out... | 04/16/1996 |
| 5507958 | Dehydration of heavy crude using hydrocyclones A method for dehydrating a liquid/liquid production stream which is comprised of a heavy crude oil (i.e. about 30° A.P.I. or less) and water which originally forms a water-in-oil emulsion wherein hydrocyclone is used as a primary separator to separate su... | 04/16/1996 |
| 5507953 | Extraction method and apparatus for cleaning contaminated soil The method of cleaning soil contaminated with contaminants includes comminuting contaminated soil to form a comminuted contaminated soil; filling the comminuted contaminated soil into a countercurrent extractor from above under an inert gas atmosphere so ... | 04/16/1996 |
| 5484534 | Energy conserving method of water treatment An energy conserving method and apparatus for using induced gas flotation to separate finely dispersed oil and solids from water and doing so in such a manner as to minimize the power consumption, reduce the amount of water carried with the oil and solids... | 01/16/1996 |
| 5478463 | Method of reducing sludge and varnish precursors in lubricating oils A method, composition and filter for reducing the presence of sludge or varnish precursors in a lubricating oil circulating within an internal combustion engine. The lubricating oil containing sludge or varnish precursors is contacted with discrete partic... | 12/26/1995 |
| 5472621 | Method for treating transition zone material Methods and devices for treating transition zone material are disclosed. Transition zone material is processed to form a supernatant layer which includes platelets and a sediment layer which includes red blood cells, and the supernatant layer is separated... | 12/05/1995 |
| 5470488 | Method for processing separate containers of biological fluid Processes and systems for combining multiple units of a biological fluid in independent containers into a single container are disclosed.... | 11/28/1995 |
| 5468396 | Centrifugal cleaning of pulp and paper process liquids A process for the removal of dispersed contaminants less dense than water from pulp and paper mill process liquids, comprises passing the liquid through a centrifuge and collecting the contaminants as a less dense fraction. The application of this inventi... | 11/21/1995 |
| 5464540 | Pervaporation by countercurrent condensable sweep There is described a process for the removal of at least one component of a liquid mixture, the basic process comprising directing a liquid mixture against the feed side of a membrane, directing a condensable vapor sweep stream past the permeate side of t... | 11/07/1995 |
| 5460723 | Surface water processing installation with safety barrier A plant for the treatment of surface water comprises a safety barrier mounted at the exit from the treatment plant and constituted by a physical filter providing, at the exit from the filter, a predetermined minimum quality irrespectively of the quality o... | 10/24/1995 |
| 5458780 | Method of treating waste water The waste stream is mixed with a solvent that absorbs the oily material without dissolving in the water phase. The remaining water/solids mixture is then separated by vibratory screening, and the solids are again contacted with solvent to remove the bulk ... | 10/17/1995 |
| 5454957 | Closed loop system and method of processing cuttings A closed loop system for processing the effluent of drilling mud, cuttings, diesel, water and ultrafines includes a first mechanism for separating the cuttings from the mud, ultrafines and diesel utilizing washing fluid and shaking mechanisms. A second sy... | 10/03/1995 |
| 5454878 | Method for removing hydrocarbon contaminants from solid materials A system for removing hydrocarbons from solid materials. Contaminated solids are combined with a solvent (preferably terpene based) to produce a mixture. The mixture is washed with water to generate a purified solid product (which is removed from the syst... | 10/03/1995 |
| 5453202 | Method for treatment of impounded sludges, soils and other contaminated solid materials A novel and improved method is provided for treatment of materials contaminated with environmentally significant amounts of volatile and semi-volatile organic pollutants, the method including the essential steps of fluidization, acidification, and filtrat... | 09/26/1995 |
| 5449469 | Method of filtering using a double-density commercial filtering system Filtering systems used to filter contaminated fluid. The filtering system (10) includes a supply pump (12); a filter tank (14) having a plurality of removable filter cassettes (16) disposed therein, each filter cassette housing in proper orientation a fil... | 09/12/1995 |
| 5445730 | Grease/oil/water separator device for vehicle wash system A grease/oil/water separator device and assembly for a vehicle wash system having a grease/oil/water separator tank which has three tank compartments. A first tank, a settling tank, is provided with entrance and exit piping such that a diagonal cross-flow... | 08/29/1995 |
| 5427695 | Systems and methods for on line collecting and resuspending cellular-rich blood products like platelet concentrate Systems and methods resuspend cellular-rich concentrates of blood by rocking the separation chamber to create variable agitation forces within the separation chamber. The systems and methods also add resuspension fluids to aid the resuspension.... | 06/27/1995 |
| 5425882 | Apparatus for removing dirt particles from water The invention relates to an apparatus for removing dirt particles (with and without oil deposition) from water or from waste water without free oil, in particular waste water which occurs in commercial laundries after the washing of garments, work clothes... | 06/20/1995 |
| 5423989 | Plasma forming device Devices are provided for producing plasma or serum from blood samples, where the plasma or serum is substantially free of red blood cells, hemoglobin, and metabolites and degradation products thereof. The sample can be used in various assays without inter... | 06/13/1995 |
| 5423993 | Fiber recovery system and process A system for recovering fiber from sludge by-products generated in a pulp and paper mill. Initially, heavy materials are separated from a sludge flow, with the flow thereafter separated into first and second components. High grade fiber is recovered from ... | 06/13/1995 |
| 5421048 | Laundering decontamination facility and method Decontamination laundering facilities and methods are disclosed including a washer area, a filtering area automatically monitoring and controlling cleaning fluid quality discharged to the environment, a clean area, automatic monitoring and controlling air... | 06/06/1995 |
| 5422019 | Method for removing contaminants from industrial cleaning systems Water-based industrial cleaning solutions are stripped of mixed oil and high density particulate (dirt) contamination by a full or partial flow system through, first, a centrifugal separator to produce two effluent flow streams respective to low and high ... | 06/06/1995 |
| 5422008 | Reinhibition of recycled antifreeze/coolant The process relates to the reinhibition of recycled antifreeze/coolant. The process is particularly well suited for use with recycled, used antifreeze/coolant from the cooling systems of internal combustion engines.... | 06/06/1995 |
| 5413716 | Oil recovery system for a vehicle maintenance facility A system is described for use in an auto maintenance shop which receives oil from the changing of vehicle oil and oil filters, to recycle the oil. The system includes an apparatus (10) that has a tank reservoir (12) for receiving contaminated oil. The app... | 05/09/1995 |
| 5409616 | Method and apparatus to restore grey water A method and apparatus to restore grey water resulting from a cleaning activity such as laundry using ozone as a cleaning agent in a closed loop system for recycling to preserve water, to reduce system size, and to enhance the efficiency of the cleaning s... | 04/25/1995 |
| 5407584 | Water clarification method A method for clarifying a contaminated fluid in a main separator vessel having therein a cyclonic flow chamber. A spiral preliminary spinner introduces the contaminated fluid to be separated in a stratified condition into the cyclonic flow chamber by a ta... | 04/18/1995 |
| 5407572 | Systematic tertiary effluent polishing A tertiary treatment unit is provided that has a first filtration unit operatively connected to an influent for filtering solids therefrom to form an effluent, a second filtration unit operatively connected to the first filtration unit to receive the effl... | 04/18/1995 |
| 5401404 | Stacked disk coalescer A method and materials for separating oil from water, using stacked disks to coalesce the oil, is disclosed. The method of coalescence allows configuration of systems which are compact, efficient, adaptable to modular configuration, and have a very high f... | 03/28/1995 |
| 5399268 | Method for processing blood for human transfusion A method of preparing platelets for long term storage comprises the steps of (a) obtaining whole blood from a human, (b) preparing platelet rich plasma from the whole blood and (c) then passing the platelet rich plasma through a filter under conditions su... | 03/21/1995 |
| 5395537 | Method for removing solids from aqueous wash solutions A method and apparatus for removal of solids from aqueous wash solutions such as, but not limited to, solutions used in hot jet-spray parts washers. Coarse solids are removed by a vortex separator during all operations. Solids accumulated in the parts was... | 03/07/1995 |
| 5389267 | In-situ vapor stripping for removing volatile organic compounds from groundwater An in-situ system for removing volatile organic compounds (VOCs) from groundwater. The technique includes gas-lift pumping and in-situ vapor stripping.... | 02/14/1995 |
| 5380442 | Regeneration of used stretford solution for recycle Waste materials are removed from Stretford solution in the form of sulfates by catalytic oxidation. The Stretford solution, which was used to treat sulfur contaminated gas streams is first regenerated by oxidation to restore the vanadium present to a pent... | 01/10/1995 |
| 5370802 | Enhanced yield platelet collection systems and methods Systems and methods for separating a suspension of plasma and platelets from whole blood rotate a chamber about an axis to create within the chamber a low-G zone radially close to the axis and a high-G zone spaced radially further from the axis than the l... | 12/06/1994 |
| 5368754 | Method for stripping contaminants from wastewater A method has been discovered for stripping aromatic hydrocarbon contaminants from wastewater and retaining the aromatic hydrocarbons on activated carbon. The wastewater is contacted countercurrently with stripping gas. The stripping gas is passed over a b... | 11/29/1994 |
