Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5399263 | Water purifier A water purifier for supplying high purity water with a low total organic carbon content. The purifier includes removable cartridges that contain a series of organic and ion exchange purification media. Special couplings are used to permit the cartridges ... | 03/21/1995 |
| 5393417 | Water remediation and purification system and method The water remediation and purification apparatus includes a cavitation nozzle which is operated with a throat size and pressure drop to incur cavitation in the water. The explosive and implosive bubble growth and collapse produces free radicals which inte... | 02/28/1995 |
| 5385668 | Apparatus for separating particulate material from a liquid medium The invention relates to an apparatus in the form of a multi-cell installation, and a method for the recovery of metal values from a liquid medium 16 in the form of a pulp or leach solution in which a continuous supply of a liquid medium 16 is continuousl... | 01/31/1995 |
| 5374352 | Universal recycled wash water system A universal recycled wash water plant having a collector tank through which collected wash water and rinse water is channeled to a grease/oil/water separation tank which separates oil and grease from the water and which holds the oil-separated water in a ... | 12/20/1994 |
| 5368724 | Apparatus for treating a confined liquid by means of a pulse electrical discharge Apparatus for purifying confined liquids and slurries by means of a spark discharge wherein the inner surface of the treatment vessel is designed to include a reflector section adjacent to a pair of electrodes and a concentrating section for intensifying ... | 11/29/1994 |
| 5366641 | Hydrocyclones for oil spill cleanup with oil slug monitor An oil spill recovery system includes a first hydrocyclone separator and optionally a second hydrocyclone separator located on a floating vessel floating on a body water from which spilled oil is to be recover. A recovered fluid containing oil and water e... | 11/22/1994 |
| 5364526 | System 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.... | 11/15/1994 |
| 5348647 | Water filter with back wash function A water filter is disclosed having a water reservoir in fluid communication with the porous ceramic core filter element and the drinking water control valve of a filter assembly, for holding a volume of water therein. The water reservoir provides a compre... | 09/20/1994 |
| 5344568 | Hemofiltration system and method A multipurpose hemofiltration system and method are disclosed for the removal of fluid and/or soluble waste from the blood of a patient. The system and method are equally applicable to adult, pediatric and neonatal patients. The system continuously monito... | 09/06/1994 |
| 5338447 | Bioreactor A bioreactor comprising a reactive vessel having an inlet system for material and a reaction chamber located above the inlet system. The inlet system has outflow openings that are at least partially tangentially oriented. A partition separates the reactio... | 08/16/1994 |
| 5336396 | Waste oil management system A fuel management system for blending of an alternative fuel such as waste oil with a conventional fuel and the continuous filtration thereof before delivery to fuel injection system of a conventional diesel engine. The system attaches to the storage tank... | 08/09/1994 |
| 5336398 | Water treatment device A simple, rapid, efficient and inexpensive process for on-site recycling of wastewater with minimal odor wherein the solid wastes generated by the water treatment process are dewatering on-site by solar energy to water content levels below those required ... | 08/09/1994 |
| 5329659 | Laundering facility and method This invention consists of a method and means for laundering clothing contaminated with asbestos fibers and/or with lead, herein called the contaminants. The method and means employed by this invention decontaminates the clothing in an environmentally con... | 07/19/1994 |
| 5328599 | System using sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water A wastewater treatment system and method for chemical precipitation and removal of metals from wastewater in a continuous or batch treatment process includes an ion-selective sulfide electrode and a reference electrode disposed in a precipitation tank for... | 07/12/1994 |
| 5324425 | Method and apparatus 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... | 06/28/1994 |
| 5322623 | Local reclamation system The local reclamation system includes an accumulation tank for a soiled solution. A tank outlet valve selectively allows a flow of the solid soiled solution into the remainder of the system. A blend conduit leads from the outlet valve. An oxidizing supply... | 06/21/1994 |
| 5318702 | Fluid treating apparatus The present invention is a method and apparatus for treating water and other liquids by removing minerals in solution and entrained gases. The entrained gases are forced into the atmosphere, while the minerals are returned to agglomerated solids for ease ... | 06/07/1994 |
| 5316674 | Device for processing blood for human transfusion A device for processing donated blood comprises a porous medium interposed between the collection bag and a satellite bag into which a component separated by centrifugation can be expressed, the filter element preferably having a CWST of about 70 to about... | 05/31/1994 |
| 5316673 | Spout assembly for self-service purified water dispenser An improved dispensing spout assembly and method for self-service dispensing of purified water is described for reducing the possibility of contamination. An overlapping pair of enclosures house an ultraviolet lamp and a delivery nozzle to provide a secon... | 05/31/1994 |
| 5312551 | Mobile mud dehydrator A mobile multi reservoir unit aspirates liquid with solids from septic tanks, treats immediately the liquor by a flocculent polymer and dehydrates the product by a low speed vertical centrifugal machine; the liquid is returned to the septic tank and the s... | 05/17/1994 |
| 5308490 | Sewage delivery for an activated sludge process A plant suitable, in particular, for denitrifying sewage purification by the activated sludge process comprises several tanks which are charged with untreated water via a common delivery conduit which is preferably designed as a ring main. This delivery c... | 05/03/1994 |
| 5304303 | Apparatus and method for separation of immiscible fluids This invention relates to an apparatus and method for separating immiscible liquids having different specific gravities. Although the disclosure illustrates the invention by showing its application to the separation of oil and water, the invention may be ... | 04/19/1994 |
| 5290442 | Self-contained, purified drinking water refrigerator storage apparatus A new and improved self-contained, portable, treated drinking water, refrigerator storage jug assembly is provided. The jug assembly includes a storage jug configured to be placed in a refrigerator. A water treating subassembly is mounted to the back of t... | 03/01/1994 |
| 5288408 | Method of gelatin recovery and purification from encapsulation processes The subject invention relates generally to a novel method of recycling gelatin-based encapsulation waste material and, more specifically, to a process for the recovery and purification of gelatin and softening agents therefrom. In the preferred embodiment... | 02/22/1994 |
| 5288412 | Gray water processing system A modular gray water processing system is provided comprising a filter, an ultraviolet radiation chamber coupled to the filter and a storage tank for receiving and storing irradiated gray water from the ultraviolet radiation chamber. The filter filters gr... | 02/22/1994 |
| 5286380 | Apparatus for contaminated oil reclamation A novel process and related apparatus for removing common contaminants from used motor oil. Propane, butane or a similar solvent is mixed with the contaminated oil to form a solution. This solution is agitated and then given time to settle thus allowing g... | 02/15/1994 |
| 5277797 | Oil and water separator for the bilge of a boat An oil and water separator for separating oil from water collected in a bilge of a boat prior to discharging the water overboard. A reservoir is provided for receiving the mixture of oil and water from the bilge. The oil separates from the water and float... | 01/11/1994 |
| 5277820 | Device and method for extracorporeal blood treatment Disclosed are preferred devices and methods which provide extracorporeal treatment of blood to effectively and consistently remove toxins therefrom and from patients over extended periods of time.... | 01/11/1994 |
| 5269911 | Waste treatment system A wastewater treatment system for domestic sewage uses a primary treatment vessel and a secondary vessel with a filtration unit therebetween. Continuous backwashing of the filtration unit occurs when a well pump is activated to empty the secondary vessel.... | 12/14/1993 |
| 5269946 | Systems and methods for removing undesired matter from blood cells Systems and methods of collecting blood cells use a first container connected to at least three transfer containers. A filtration system is provided with one transfer container, which ultimately serves as the storage container for red blood cells free of ... | 12/14/1993 |
| 5266191 | Immiscible liquids separator apparatus and method An apparatus and method for removing articles of a first liquid from a second liquid using law, the first liquid, such as oil, having a greater buoyancy than the second, such as water, with both liquids being immiscibly combined into a flowing fluid mixtu... | 11/30/1993 |
| 5262047 | Local reclamation system The local reclamation system includes an accumulation tank for a soiled solution. A tank outlet valve selectively allows a flow of the solid soiled solution into the remainder of the system. A blend conduit leads from the outlet valve. An oxidizing supply... | 11/16/1993 |
| 5262071 | Metalworking fluid management system A system and process for managing metalworking fluids is disclosed. The system has a metering device for supplying desired amounts of metalworking fluid components (coolants, lubricants, biocides, etc.) to the metalworking fluid of the system which has be... | 11/16/1993 |
| 5256299 | Method and apparatus for liquid treatment An improved method and apparatus for purifying liquid in a square or rectangular tank involving ultra violet (UV) treatment, oxidation, flotation, filtration, effluent purging and disinfection is described. The liquid to be treated is fed into the mixing ... | 10/26/1993 |
| 5254267 | Grease separating method and separator system A grease separation system includes a main grease separator tank [11] which has a plurality of filters [23] suspended along the upper portion of the tank above a bed of grease absorbing material [28]. A perforated pipe [31] extends the length of the floor... | 10/19/1993 |
| 5252202 | Muddy and waste water treatment device and method A water treatment method and device can perform a regeneration treatment of the muddy water once used in a water excavation work to decrease its specific gravity for reuse in the water excavation work, and a dehydration treatment of various waste waters s... | 10/12/1993 |
| 5250196 | Method and device for working up unused concrete mix and/or mortar The invention relates to a method for working up unused concrete mix and/or mortar whereby the unused concrete mix and/or mortar is gradually supplied to and distributed over a sieve during spraying of the unused concrete mix and/or mortar with water in s... | 10/05/1993 |
| 5247876 | Deep fryer and filtration system A deep oil fryer and filtration system is disclosed wherein the filtration system (B) is disposed within a cabinet (16) of a deep oil fryer (A) having a plurality of vats (10, 12, and 14). Filtration system (B) includes a drawer having a reservoir (20) an... | 09/28/1993 |
| 5248417 | Double flow-through filtration apparatus Double flow-through filtration apparatus requiring the bulk of the water to be treated to twice flow through filtering media contained within a filter housing. The housing includes an inlet port for receiving water from a source; a combination port for wa... | 09/28/1993 |
| 5244570 | Apparatus for treating wastewater A process and apparatus is provided for removing color from a wastewater stream. The process includes directing the wastewater stream through at least one UV reactor and simultaneously injecting a hydrogen peroxide charge into the wastewater stream exactl... | 09/14/1993 |
