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 |
| 7256320 | Method for defeat of bulk chemical warfare agents A method for immobilizing at least one hazardous chemical, comprising the steps of breaching a container having a bulk chemical agent, adding a rheological modifier into the container, and dispersing the rheological modifier within the container so as to promote int... | 08/14/2007 |
| 7114880 | Process for the excavation of buried waste Disclosed is a method of excavating large quantities of non-homogenous radioactive contaminated waste, desirably without releasing radioactive contaminated dust or exposing personnel to its hazards. The excavation of buried waste is performed in the presence of a su... | 10/03/2006 |
| 7073794 | Leak detection means A sealing arrangement for sealing a machine element, preferably a shaft, with a sealing ring and leak-detection means that comprises a sensor for detecting the leak, and a depot for picking up the leak. The depot is monitored by the sensor and the depot consists of ... | 07/11/2006 |
| 6991593 | Hazardous waste stabilization methods, products and testing procedures A process for the stabilization of metal bearing waste is provided that is based upon the discovery that landfills have anaerobic environments. This process includes adjusting the pH of the waste and adding a sulfide containing reducing agent to the waste to achieve... | 01/31/2006 |
| 6962561 | Method for biosolid disposal and methane generation A method for the disposal of biosolids, the method comprising providing a supply of biosolids; selecting an introduction formation below a ground surface, the introduction formation comprising a natural gas formation in a gas accumulation zone; introducing the bioso... | 11/08/2005 |
| 6865937 | Deionized water spray on loss of fluid processing tank exhaust Methods and apparatus are provided for increasing the safety of a clogged or failed exhaust system. In accordance with a first embodiment, an apparatus is provided that includes (1) a tank adapted to contain a processing fluid; (2) an exhaust system coupled to the t... | 03/15/2005 |
| 6796746 | Subterranean drilling and in situ treatment of wastes using a contamination control system and methods relating thereto Systems and methods relating to subterranean drilling while maintaining containment of any contaminants released during the drilling. A thrust block installed over a zone of interest provides an overflow space for retaining any contaminants and excess sealant return... | 09/28/2004 |
| 6491616 | Method for biosolid disposal and methane generation A method for the disposal of biosolids, the method comprising a) providing a supply of biosolids; creating a slurry of the biosolids suitable for injecting; selecting an injection formation below a ground surface, the injection formation comprising a natu... | 12/10/2002 |
| 6422789 | Method and apparatus for treatment and remediation of contaminated soils This specification discloses a method and apparatus for the remediation of soil contaminated by pollutants. The method utilizes a unitary mobile remediation apparatus in which the soil is impounded, metered, and transported to be sprayed with a treatment ... | 07/23/2002 |
| 6409650 | Method for biosolid disposal and methane generation A method for the disposal of biosolids, such as municipal sewage waste, comprising injecting the biosolids into a subsurface injection formation. The method can include recovering methane generated from the degradation of the biosolids.... | 06/25/2002 |
| 6383128 | Method of in situ immobilization and reduction of metal bioavailability in contaminated soils, sediments, and wastes Improved methods and compositions for decreasing the bioavailability of metals in soil are provided. Broadly, the methods comprise mixing a source of phosphorus and an oxide of manganese with the contaminated soil so as to reduce the metal bioavailability... | 05/07/2002 |
| 6359187 | Method of sealing container for handling radioactive debris A system and method for filling, dewatering and sealing high integrity containers for storing high level radioactive debris has a support structure for receiving a container and a movable hood supported over the support structure. The movable hood is mova... | 03/19/2002 |
| 6338596 | Waste collection device A waste collection device which comprises, inside a pit, a plate for supporting at least one container; the plate is provided with supports adapted to limit its downward motion to a minimum elevation which allows the container to lie fully within the pit;... | 01/15/2002 |
| 6287248 | Method for biosolid disposal and methane generation A method for the disposal of biosolids, such as municipal sewage waste, comprising injecting the biosolids into a subsurface injection formation. The method can include recovering methane generated from the degradation of the biosolids.... | 09/11/2001 |
| 6276871 | Soil remediation method The present invention relates generally to a soil remediation method, and more particularly to a soil remediation method relying on the chemical oxidation of organic contaminants in saturated or unsaturated soil and aided by mechanical agitation of the so... | 08/21/2001 |
| 6250846 | Apparatus for soil purification and remediation method for contaminated soil An apparatus for soil remediation to remedy a soil contaminated with a pollutant less affecting the environment, which includes a soil borer having a rotatable drilling form or portion capable of agitating the soil, introducing into the soil at least one ... | 06/26/2001 |
| 6221002 | Method to reduce hexavalent chromium in soils, sediments, industrial wastes and other contaminated materials using ascorbic acid The concentration of potentially toxic hexavalent chromium, {Cr(VI)}, in chromium-bearing soils/materials existing in the form of soils, sludges, sediments, fill, industrial wastes, or other materials is decreased by applying and mixing a single reducing ... | 04/24/2001 |
| 6139222 | Method and apparatus for containment of or protection from hazardous or undesirable materials A method and apparatus for containing and protecting oblong and odd-sized objects with plastic sheeting that may form a cylindrical enclosure by pressure sealing extruded plastic profile fasteners located at opposing edges of the plastic sheet. The open e... | 10/31/2000 |
| 6132356 | Portable system for vapor, aerosol or airborne hazard suppression of hazardous environmental spills The invention provides a portable apparatus and a method for quickly conting, suppressing and mitigating localized hazardous material spills. The hazardous material containment apparatus has a vapor, aerosol and particulate containment vessel having a co... | 10/17/2000 |
| 6056477 | Waste disposal site A waste disposal site according to the present invention is provided with water-impermeable properties by water-impermeable materials covering a bottom surface and a sloped side surface of the waste disposal site. The waste disposal site is provided with ... | 05/02/2000 |
| 6048419 | Compacting means and device suitable for the compacting of materials with a pyrophoric tendency The present invention relates to a compacting process suitable particularly for the compacting of materials with a pyrophoric tendency and especially for the compacting of scrap metal generated in the nuclear industry; and compacting means (4), and a comp... | 04/11/2000 |
| 6024513 | Aerobic landfill bioreactor The present invention includes a method of decomposing municipal solid waste (MSW) within a landfill by converting the landfill to aerobic degradation in the following manner: (1) injecting air via the landfill leachate collection system (2) injecting air... | 02/15/2000 |
| 6016714 | Sensor system for buried waste containment sites A sensor system is disclosed for a buried waste containment site having a bottom wall barrier and/or sidewall barriers, for containing hazardous waste. The sensor system includes one or more sensor devices disposed in one or more of the barriers for detec... | 01/25/2000 |
| 6006588 | System for containing and handling toxic gas and methods for containing and handling same A system, container, and methods are provided for containing and handling a toxic gas. The system preferably includes a first container having toxic gas stored therein and a second container including a base and a lid mounted to the base when in a closed ... | 12/28/1999 |
| 6004070 | Waste storage containment cell, method of operating, and apparatus therefore A new covered landfill or remediated waste containment cell having an excavated bottom surface, lined with a watertight liner and a leak detection system for determining whether or not leakage has occurred, either from the top, or from the bottom. The cov... | 12/21/1999 |
| 6002063 | Apparatus and method for subterranean injection of slurried wastes Injection of slurried wastes is carried out within deeply buried strata. Appropriate target strata are identified in terms of sufficient porosity and permeability, and overburden that includes permeable and impermeable strata. Slurry is injected at suffic... | 12/14/1999 |
| 5976270 | Composition and method for treatment of lead-containing surface coatings and soil A method is provided to render non-hazardous surface soil which is contaminated with lead compounds. The soil is treated by applying an aqueous composition comprising hydrogen peroxide, ammonium hydroxide, nitric acid and acetic acid and allowing said com... | 11/02/1999 |
| 5951457 | Method to reduce hexavelant chromium in soils, sediments, industrial waste and other contaminated materials using ascorbic acid The concentration of potentially toxic hexavalent chromium, {Cr(VI)}, in chromium-bearing soils/materials existing in the form of soils, sludges, sediments, fill, industrial wastes, or other materials is decreased by applying and mixing a single reducing ... | 09/14/1999 |
| 5905184 | In situ construction of containment vault under a radioactive or hazardous waste site A method is disclosed for constructing, verifying, and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil containing the contaminates from the surroundin... | 05/18/1999 |
| 5905036 | Characterization of organic contaminants and assessment of remediation performance in subsurface formations Characterization of organic contaminants in subsurface formation is performed by methods for detecting the presence of nonaqueous phase liquid in a subsurface formation, and for determining the composition and for determining the volume of nonaqueous phas... | 05/18/1999 |
| 5898003 | Method and means for collecting odors from a waste water lagoon An odor collection station for a waste water lagoon with a buoyant housing having a top, open bottom, and opposite side and end walls. The housing having a U-shaped duct with an upper and lower passageway connected by a vertical passageway. Buoyant elemen... | 04/27/1999 |
| 5888022 | Method and system for treating bio-degradable waste material through aerobic degradation A system and method are provided for treating biodegradable waste material in a landfill by aerobic degradation. Waste material is deposited in the landfill and covered. The moisture content in the landfill is increased from about 40% to about 70% and a s... | 03/30/1999 |
| 5857810 | In-situ chemical barrier and method of making A chemical barrier is formed by injecting a suspension of solid particles or colloids into the subsurface. First, a stable colloid suspension is made including a surfactant and a non-Newtonian fluid. This stable colloid suspension is characterized by coll... | 01/12/1999 |
| 5846178 | Stabilization of lead bearing waste A method is disclosed for reducing the leaching of lead from a lead bearing material or waste. The method includes contacting the material or waste with a water soluble phosphate and a complexing agent, wherein the complexing agent is at least slightly wa... | 12/08/1998 |
| 5819787 | Apparatus and process for safely containing and delivering hazardous fluid substances from supply cylinders and cylinder loading structure An apparatus for safely delivering a hazardous fluid substance to a receiving structure includes a supply cylinder containing a hazardous fluid substance and having a supply cylinder release port; a high pressure containment vessel having a vessel wall an... | 10/13/1998 |
| 5766551 | Device for quantitation of odors from liquid livestock wastes The gas sample device structure has a housing with a continuous normally vertical sidewall, closed top and an open bottom. Buoyant elements are secured to the housing to maintain its vertical position in a body of liquid livestock waste. A normally closed... | 06/16/1998 |
| 5722928 | Stabilization of lead bearing waste A method is disclosed for reducing the leaching of lead from a lead bearing material or waste. The method includes contacting the material or waste with a water soluble phosphate and a complexing agent, wherein the complexing agent is at least slightly wa... | 03/03/1998 |
| 5651821 | Battery disposal and collection apparatus The battery disposal and collection apparatus includes a terminal connection having a terminal electrode pressed by a pressing structure on an upper cover, a battery guide case having a battery container to which the terminal electrode is inserted when th... | 07/29/1997 |
| 5639380 | System for automating groundwater recovery controlled by monitoring parameters in monitoring wells Method and system of operating an Intelligent Pump-and-Treat groundwater recovery system where the groundwater level is monitored in monitoring wells and that information transmitted to a computer controller. The computer controller calculates a new groun... | 06/17/1997 |
| 5607384 | Apparatus and process for safely containing and delivering hazardous fluid substances from supply cylinders An apparatus for safely delivering a hazardous fluid substance to a receiving structure includes a supply cylinder containing the fluid substance and having a supply cylinder release port; a high pressure containment vessel having a vessel wall, for recei... | 03/04/1997 |
