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| Number | Title | Issue Date |
| 7955026 | Method for rehabilitating a manhole To line an inner circumferential surface of side walls of a manhole, a rehabilitating sheet made of a sheet material resistant to water and corrosion is provided in the form of a bag having a shape corresponding to the inner circumferential surface to be lined. The ... | 06/07/2011 |
| 7434620 | Cavity positioning tool and method In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ... | 10/14/2008 |
| 7328583 | Thermally stable containment device and methods Thermal management systems and methods for manufacturing and using same are disclosed. Certain embodiments of the thermal management systems comprise configurations of corrugated, porous, or fibrous panels containing phase change materials within the interior of the... | 02/12/2008 |
| 7264048 | Slot cavity A method for accessing a subterranean zone from the surface includes drilling a substantially vertical well bore from the surface to the subterranean zone and forming a slot cavity in the substantially vertical well bore proximate to the subterranean zone. The slot ... | 09/04/2007 |
| 7228690 | Thermal storage apparatus The thermal storage apparatus contains a heat transfer fluid (102) and a thermal storage medium (101), being immiscible and of differing densities. The thermal storage apparatus comprises a vessel (100) for containing a layer of heat transfer fl... | 06/12/2007 |
| 7214002 | Water feature kit A kit for building a water feature, in which all of the materials necessary to construct a pond are provided in a single container. In an alternate form, all materials necessary to build a waterfall or other water feature are provided in a single container. ... | 05/08/2007 |
| 7213644 | Cavity positioning tool and method In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ... | 05/08/2007 |
| 7156579 | Manufactured caverns in carbonate rock Disclosed is a process for manufacturing underground caverns suitable in one embodiment for storage of large volumes of gaseous or liquid materials. The method is an acid dissolution process that can be utilized to form caverns in carbonate rock formations. The cave... | 01/02/2007 |
| 7150582 | Form for street box in underground storage tank installation A form suitable for use in an underground storage tank installation includes an upper portion sized and shaped to receive a street box and a lower portion that fits over and surrounds an upper portion of a riser on the tank. In preferred embodiments, the riser acts ... | 12/19/2006 |
| 7017771 | Pressure vessel A pressure vessel having a relief area onto which a flange of a side port can be attached. The relief area includes a planar mating surface raised from the cylindrical sidewall of the vessel. A method for forming the pressure vessel includes providing a cylindrical ... | 03/28/2006 |
| 6938654 | Monitoring of ultra-high purity product storage tanks during transportation System for the transportation and storage of a product which comprises a tank including cylindrical wall section and two ends, wherein the cylindrical wall section and two ends define a cylindrical tank periphery, and wherein the tank periphery has an interior and a... | 09/06/2005 |
| 6840709 | Distributed natural gas storage system(s) using oil & gas & other well(s) The present invention revolves around the incorporation and use of existing drilled wells, either dry holes, abandoned or converted producing wells and/or new, to be drilled wells or any other well(s), of any diameter and any depth, located, sited, designed and fabr... | 01/11/2005 |
| 6698976 | Grouting pipe equipment and method of grouting using the same for an underground water well Grouting equipment and methods suitable for use in underground water wells, which accomplish their goals by better centering the grouting equipment within a bore hole, even in curved bore holes, in an manner that prevents leakage of the grout into the wel... | 03/02/2004 |
| 6688702 | Borehole mining method A Borehole Mining method comprising driving a borehole, into a production zone under a low-degree angle (0 | 02/10/2004 |
| 6634828 | Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore There is described a method and a liner for in situ renovation of a sewer manhole, e.g., a transition well, where inside the well there is inserted a prefabricated liner in the shape of a glass fiber reinforced stocking of thermosetting polyester or epoxy... | 10/21/2003 |
| 6626609 | Water storing block and connecting member for water storing block and rain water storing/infiltrating structure A rain-water storing permeation structure can be applied to facilities, such as architectures like buildings, roads, water channels, parks and play grounds, factory sites and domestic sites, as well as water storing blocks used for such a structure and a ... | 09/30/2003 |
| 6412556 | Cavity positioning tool and method A cavity positioning tool is provided that includes a head piece adapted to receive a downhole string having a longitudinal axis. A plurality of blunt arms are coupled to the head piece. The blunt arms are operable to be radially extended outward from a f... | 07/02/2002 |
| 6368018 | Installation for storing of natural gas An installation for storing of natural gas or some other fluid comprises a lined underground storage space. Inside the rock wall of the storage space, there is a concrete layer for supporting an inner impermeable lining layer. According to the invention, ... | 04/09/2002 |
| 6367547 | Downhole separator for use in a subterranean well and method In accordance with the present invention, a downhole separation tool is provided which utilizes a downhole separation chamber with a series of fluid regulators responsive to a formation fluid and constituent components for separate desirable formation yie... | 04/09/2002 |
| 6317901 | Fresh or salt water pool A swimming pool formed in a natural or man-made body of fresh or salt water includes a flooring material which allows water to pass through, but does not allow dirt or other natural sediment to pass through. The flooring material comprises a layer of ston... | 11/20/2001 |
| 6270286 | Soil brace and root blocker A device for retaining garden beds, retaining water, and/or blocking plant roots, with the device having two connected reinforcing members with a liquid permeable member positioned between the reinforcing members. A method of building a garden bed include... | 08/07/2001 |
| 6171029 | Method and apparatus for retrofitting underground storage tanks with a containment sump A method of retrofitting an underground storage tank (UST) wherein the sump is installed without first excavating the tank backfill away from the top of the UST or cutting existing piping associated with the turbine pump and UST. The containment sump wall... | 01/09/2001 |
| 6152652 | Apparatus and method for installing a dynamometer pit in cementitious material A pit assembly 10 is provided to assist in the installation of a pit, such as a dynamometer pit, into cementitious material. The pit assembly 10 includes a pan 20 which has an open top and an interior region having a desired size for housing equipment, su... | 11/28/2000 |
| 6146051 | Paving system for spillage and flood management The paving system has a perforated pavement covering a deep substrate of mainly hard nodules or shells, the whole being surrounded by impervious walls to provide temporary storage in the interstices for chemical spillage or flood water, wherein liquids ma... | 11/14/2000 |
| 6139225 | Method for building an underground continuous wall An underground continuous wall building method and apparatus in which a chain cutter 2 provided with excavation blades is obliquely mounted on a running carriage 1. Slanting continuous trenches G1, G2 are excavated by moving the running carriage 1 in a tr... | 10/31/2000 |
| 6074131 | Method for installing form in-place dispenser containment A method of upgrading the area below a dispenser to contain accidental release harmful materials from contaminating the soil below grade without repiping, electrical changes, or concrete disruption.... | 06/13/2000 |
| 6050050 | Form in-place submersible pump containment A method of upgrading an existing unprotected submersible pump area with secondary containment to prevent accidental release of harmful materials from contaminating the soil below grade.... | 04/18/2000 |
| 5927898 | Method for installing a septic tank in soil A septic tank adapted for burial in soil includes a movable anchor that extends near the bottom of the tank to hold the tank in the soil.... | 07/27/1999 |
| 5855452 | Method for excavating rock cavities In a method for excavating rock cavities in the form of substantially cylindrical, vertical or low placed rock cavities for the storage of gas, fluid, solid products or for another purpose, one first, from a transport tunnel (2), excavates an upper circul... | 01/05/1999 |
| 5819975 | Dispenser sump A dispenser sump which includes a deflection surface and a distribution channel for distributing liquids about the interior periphery of the sump to allow insertion of fluid removal apparatus along any wall of the sump. The sump also provides increased st... | 10/13/1998 |
| 5749675 | Underground tank for storage of liquids at ambient temperature and low temperature liquified gases Underground storage tank consisting of an internal metal structure (1), a static external facing (2) in contact with the surrounding soil (3) and a filler (5) located between the metal structure (1) and the static facing (2), the filler (5) being stabiliz... | 05/12/1998 |
| 5669734 | Process for making underground storage caverns A new method for making large underground storage caverns in bedded or domal salt deposits for the storage of fluid materials in areas where solution mining water temperatures are low by a process which significantly reduces the amount of time required to... | 09/23/1997 |
| 5542780 | Underground chamber A chamber for installation underground is formed of extruded or moulded plastics material. Preferably, the chamber comprises a plurality of sections (1,2,3) which are assembled in situ. The sections are preferably formed by cutting and jointing lengths of... | 08/06/1996 |
| 5468089 | Buried storage tank with a single fluid-tight vessel for the confinement of a liquefied gas for example and arrangement of such storage tanks A buried fluid storage tank with a single fluid-tight enclosure which comprises an external concrete enclosure buried into the ground, a rigid structure with a bottom slab and possibly a covering dome as well as a fluid-tight heat-insulating envelope whic... | 11/21/1995 |
| 5431482 | Horizontal natural gas storage caverns and methods for producing same The invention provides caverns and methods for producing caverns in bedded salt deposits for the storage of materials that are not solvents for salt. The contemplated salt deposits are of the bedded, non-domed variety, more particularly salt found in laye... | 07/11/1995 |
| 5419656 | Pool apparatus and method of making An apparatus and method is disclosed for an improved swimming pool comprising a base forming the bottom of the pool. A sidewall extends about a peripheral edge of the base. The sidewall has an inner surface facing an interior of the pool, and an outer sur... | 05/30/1995 |
| 5387741 | Method and apparatus for subterranean containment of hazardous waste material Upon completion of dislodging and transporting mine material from an underground mine, the mine is converted to a repository for the disposal of hazardous waste. The mine includes a network of connected chambers each formed by surrounding sidewalls into w... | 02/07/1995 |
| 5380127 | Non-entry method of underground excavation in weak or water bearing grounds A method of excavating an underground area liable to flooding or collapsing during excavation, wherein the area is susceptible to disaggregation by high pressure water jet and is located above rock of strength suitable for drifting a gallery comprises dri... | 01/10/1995 |
| 5375944 | Waste disposing ground or facility A waste disposing ground or facility includes a space in the form of a cavity for receiving waste therein. A planar structure covers the entire overall upper opening of the cavity. The planar structure is constructed in advance of starting disposal of was... | 12/27/1994 |
| 5330288 | Underground storage tank Underground storage tank consisting of an internal metal structure (1), of a static external facing (2) and of a filler (4) such a hot blown bitumen located between the metal structure (1) and the static facing (2), the outer surface of the metal structur... | 07/19/1994 |
