| Patent Number |
Title Of Patent |
Date Issued |
| 7603258 |
Noise reduction and estimation of pipeline signals |
October 13, 2009 |
| A method and apparatus for sensor output signal noise reduction in which at least one sensor output signal is introduced into an LMS-based adaptive noise cancellation mechanism and the resulting noise cancellation mechanism output signal is processed using a sub-band spectral subtrac |
| 7578985 |
Method for direct oxidation of hydrogen sulfide to elemental sulfur at low temperatures |
August 25, 2009 |
| A method for removal of hydrogen sulfide and mercury from a gaseous stream containing hydrogen sulfide and mercury in which a hydrogen sulfide conversion catalyst is contacted with the gaseous stream at a temperature less than or equal to the dewpoint of elemental sulfur, and the hydroge |
| 7572318 |
High-temperature membrane for CO.sub.2 and/or H.sub.2S separation |
August 11, 2009 |
| A nonporous metal carbonate membrane for selective separation of CO.sub.2 from a CO.sub.2-containing fluid having a porous substrate having a feed side and a permeate side. The membrane is also suitable for removal of H.sub.2S that may be present in the fluid. |
| 7556672 |
Regenerative process for removal of mercury and other heavy metals from gases containing H.sub.2 |
July 7, 2009 |
| A method for removal of mercury from a gaseous stream containing the mercury, hydrogen and/or CO, and hydrogen sulfide and/or carbonyl sulfide in which a dispersed Cu-containing sorbent is contacted with the gaseous stream at a temperature in the range of about 25.degree. C. to about |
| 7549359 |
Aldyl a tee scraper |
June 23, 2009 |
| A utility service tee scraping tool having three basic components--a scraper or cutting element, a scraper holder, and an alignment body. The scraper includes a rigid, vertically oriented body to which one or more cutting blades are attached. The scraper holder includes a service pipe |
| 7544340 |
Method for creating a gas-liquid contact area |
June 9, 2009 |
| A method for contacting a liquid with a gas in which the gas is introduced into a vessel containing at least one hollow fiber membrane having a plurality of porous hollow fibers. The liquid is introduced into a lumen of at least a portion of the plurality of porous hollow fibers at a |
| 7466134 |
Method and apparatus for locating underground cast iron pipe joints |
December 16, 2008 |
| An apparatus for locating underground cast iron pipe joints having an electrically driven resonant coil generating an alternating magnetic field and two resonant sensor coils disposed within the alternating magnetic field, each of the resonant sensor coils having an independent magne |
| 7449424 |
Method for producing catalytically-active materials |
November 11, 2008 |
| A method for producing a catalytically-active material having at least one base component and at least one catalytically-active component in which the at least one base component is heated to a softening or melting temperature to form a softened or molten base component. While the base |
| 7421835 |
Air-staged reheat power generation system |
September 9, 2008 |
| A two-stage power generation system having a compressed air source with two compressed air outlets, one of which provides compressed air to the first stage of power generation and the other of which provides compressed air to the second stage of power generation. All of the fuel for |
| 7399339 |
Polyoxometalate material for gaseous stream purification at high temperature |
July 15, 2008 |
| A method for purification of a gaseous stream having at least one impurity in which a porous material having at least one polyoxometalate-based material is contacted with the gaseous stream and the at least one impurity is passed through the porous material, producing a purified gase |
| 7384770 |
Rapid quantification of acetic acid-producing bacteria using real-time PCR |
June 10, 2008 |
| A set of primer pairs for amplifying a nucleic acid of an acetic acid-producing bacteria, each primer containing an oligonucleotide selected from the ackA gene region of the acetic acid-producing bacteria. The primers are particularly suitable for amplifying the nucleic acid of aceti |
| 7374834 |
Gas flow panels integrated with solid oxide fuel cell stacks |
May 20, 2008 |
| A generally planar, rectangular solid oxide fuel cell stack having a plurality of fuel cell units, each of the fuel cell units having an anode, a cathode and an electrolyte disposed there between, at least one bipolar separator plate disposed between the anode electrode of one fuel c |
| 7374368 |
Method and apparatus for slip-lining |
May 20, 2008 |
| An apparatus for slip-lining a pipeline with plastic pipe including a slip-line cable having four sections--a forward navigation section, an intermediate locking section connected to a back end of the forward navigation section, a rearward drive section connected to a back end of the |
| 7343863 |
Self-righting, bi-directional pipe caster |
March 18, 2008 |
| An apparatus for transporting a payload along the inside of a substantially horizontal pipe. The apparatus includes vertically aligned upper and lower roller elements which are relationally pivotably connected to each other, both of which contact the inside surface of the pipe into w |
| 7328629 |
Method and apparatus for maintaining multi-component sample gas constituents in vapor phase duri |
February 12, 2008 |
| An apparatus and method for diluting and cooling that is extracted from high temperature and/or high pressure industrial processes. Through a feedback process, a specialized, CFD-modeled dilution cooler is employed along with real-time estimations of the point at which condensation will |
| 7326392 |
H.sub.2S scavenging method |
February 5, 2008 |
| A method for removing H.sub.2S from H.sub.2S-containing gaseous streams in which an H.sub.2S-containing gaseous stream is introduced into a flow channel and at least one liquid chemical H.sub.2S scavenging agent is also introduced into the flow channel. Directly within the flow channel, |
| 7323265 |
High stability membrane for proton exchange membrane fuel cells |
January 29, 2008 |
| A proton exchange membrane which includes a sulfonated and phosphonated poly (styrene) material having a covalently bonded tertiary hydrogen replacement group. |
| 7316151 |
Apparatus and method for accurate, real-time measurement of pipeline gas |
January 8, 2008 |
| An apparatus for BTU measurement of natural gas having at least one reference spherical acoustic resonator containing a reference gas, a sample gas spherical acoustic resonator containing a natural gas sample, a first acoustic transmitter adapted to transmit a first acoustic signal i |
| 7276358 |
Rapid quantification of butyric acid-producing bacteria using real-time PCR |
October 2, 2007 |
| A set of primer pairs for amplifying a nucleic acid of a butyric acid-producing bacteria, each primer containing an oligonucleotide selected from the buk gene region of the butyric acid-producing bacteria. The primers are particularly suitable for amplifying the nucleic acid of butyr |
| 7273583 |
Process and apparatus for uniform combustion within a molten material |
September 25, 2007 |
| A submerged combustion burner having co-axial fuel and oxidant tubes forming an annular space therebetween, wherein the outer tube extends beyond the end of the inner tube. A burner nozzle having an outside diameter corresponding to the inside diameter of the outer tube is connected |
| 7269967 |
Method and apparatus for removing moisture from evaporator coils |
September 18, 2007 |
| A method and apparatus for removing excess moisture from the evaporator coils of an air-conditioning system in which the moisture is removed from the evaporator coils by vibrating the coils. The coils may be vibrated by mechanical or acoustic devices such as solenoid plungers and acousti |
| 7248357 |
Method and apparatus for optically measuring the heating value of a multi-component fuel gas usi |
July 24, 2007 |
| A method and system for measuring heat energy of a combustible fluid in which light having wavelengths in the near-infrared is directed into a test cell containing the combustible fluid and portions of the light not absorbed by the combustible fluid and passing out of the cell are sp |
| 7243579 |
Universal cap tool/tool holder |
July 17, 2007 |
| An apparatus for facilitating the use of tools on underground pipeline systems including a socket having a polygonal open end, a pliable socket insert having a polygonal outer circumference corresponding to the polygonal socket opening adapted to fit snugly into the polygonal opening |
| 7241950 |
Solar cell electrolysis of water to make hydrogen and oxygen |
July 10, 2007 |
| A water permeable electrode for electrochemical splitting of water having a light sensitive catalytic material layer which includes a light sensitive catalytic material and a semiconductor, a polymer electrolyte membrane layer, a metallic substrate layer disposed there between adjace |
| 7210467 |
Advanced high efficiency, ultra-low emission, thermochemically recuperated reciprocating interna |
May 1, 2007 |
| An apparatus including a reciprocating internal combustion engine and a thermochemical recuperator in which a fuel is reformed. The thermochemical recuperator is heated by exhaust gases from the reciprocating internal combustion engine and steam for the reforming process is produced |
| 7189579 |
Zero headspace extractor and method for determining partitioning and contaminant release rates o |
March 13, 2007 |
| A method and device for measuring release rates of contaminants in at least one of a fast release mode and a slow release mode in which a volatile liquid sample is introduced into a sealed transparent reactor vessel having at least one sorbent contained within the transparent reactor |
| 7189270 |
Method and apparatus for gasification-based power generation |
March 13, 2007 |
| A method and apparatus for conversion of solid and liquid fuels to a synthesis gas, steam and/or electricity in which about 10% to about 40% of a solid fuel and/or a liquid fuel is introduced into a gasifier and gasified, resulting in formation of a synthesis gas. The remaining porti |
| 7179114 |
Direct bury tracer wire connector |
February 20, 2007 |
| A tracer wire connector (10) having two parts, a main body (11) and a cover (12). The main body includes a base (16) and a raised portion (24) connected with the base, the raised portion forming a first groove (13) extending from one side of the base to an opposite side of the base, the |
| 7147064 |
Laser spectroscopy/chromatography drill bit and methods |
December 12, 2006 |
| A drilling apparatus for well-boring having a drill bit assembly which includes a laser cutting assembly and a vacuum assembly. The vacuum assembly is adapted to intake vapors generated by the laser cutting assembly proximate the drill bit assembly during operation of the drilling ap |
| 7115333 |
High temperature composite proton exchange membranes |
October 3, 2006 |
| An apparatus for generating electricity having an anode electrode, a cathode electrode and a proton exchange membrane comprising poly(vinyl alcohol) disposed between the anode electrode and the cathode electrode. The proton exchange membrane of this invention is suitable for operating |
| 7108455 |
Carbureted bioventing for enhanced control of in-situ bioremediation |
September 19, 2006 |
| A method for removing volatile and semi-volatile contaminants from groundwater in which the contaminants are stripped from the groundwater by sparging with an inert carrier gas and the stripped contaminants are transported into a bioactive zone into which at least one gaseous oxidant |
| 7087434 |
Automatic portable formaldehyde analyzer |
August 8, 2006 |
| An apparatus for measuring the concentration of formaldehyde in an exhaust stream from turbines, internal combustion engines and the like, which apparatus includes a portable housing having a sample gas inlet through which a sample gas for analysis is introduced into the portable housing |
| 7083956 |
Method for hydrogen production from organic wastes using a two-phase bioreactor system |
August 1, 2006 |
| A method and system for hydrogen production in which a feedstock of at least one biodegradable solid is introduced into a first stage anaerobic bioreactor and a liquid effluent formed. The liquid effluent is transferred into a second stage anaerobic bioreactor having a plurality of h |
| 7077644 |
Advanced commercial range burner |
July 18, 2006 |
| A gas-fired burner including a cylindrical burner housing having a premixed fuel/air opening. Disposed within the cylindrical burner housing is a cylindrical burner ring which forms at least one row of a plurality of burner ports. The cylindrical burner ring is sized relative to the |
| 7066396 |
Method and apparatus for enhanced heat recovery from steam generators and water heaters |
June 27, 2006 |
| A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major portion of the associa |
| 7059364 |
Control method for high-pressure hydrogen vehicle fueling station dispensers |
June 13, 2006 |
| A method for quick filling a vehicle hydrogen storage vessel with hydrogen, the key component of which is an algorithm used to control the fill process, which interacts with the hydrogen dispensing apparatus to determine the vehicle hydrogen storage vessel capacity. |
| 7037414 |
Photoelectrolysis of water using proton exchange membranes |
May 2, 2006 |
| A photoelectrochemical cell which includes a light transmissive enclosure, a semiconductor photoanode disposed within the light transmissive enclosure, a semiconductor photocathode disposed within the light transmissive enclosure, and an electrolytic solution disposed entirely betwee |
| 7034768 |
Antenna system |
April 25, 2006 |
| An underground telemetry system having an antenna system having at least one metallic radiating element having a single or a dual top loaded folded monopole configuration and disposed within a metallic housing and having RF electronics to self-calibrate and tune the input impedance of |
| 7013991 |
Obstacle detection system for underground operations |
March 21, 2006 |
| An obstacle avoidance system for obstacle detection in an opaque material. The system includes at least one electromagnetic signal source adapted to produce an electromagnetic source signal suitable for transmission through the opaque material, at least one electromagnetic signal detecto |
| 7008711 |
Thermally integrated fuel cell power system |
March 7, 2006 |
| A fuel cell power system having at least one fuel cell stack, at least one fuel processor in fluid communication with the at least one fuel cell stack and heat exchangers for transferring heat between the at least one fuel cell stack and the at least one fuel processor in which the at le |
| 6985815 |
Instantaneous spectral analysis |
January 10, 2006 |
| A method of seismic data processing is described in which a particular wavelet is selected from a plurality of wavelets as being most characteristic of a received seismic signal. A subtracted signal can be determined by subtracting a weighted signal of the particular wavelet from the |
| 6977179 |
Method and apparatus for measuring the heating value of a single or multi-component fuel gas |
December 20, 2005 |
| A method for determining the heating value of a fuel gas or fuel gas mixture in which the chemiluminescense intensity of at least one chemical bond in a known volume of the fuel gas or mixture is measured. Based upon the results of the measurement(s), the amount of the at least one chemi |
| 6971336 |
Super low NO.sub.x, high efficiency, compact firetube boiler |
December 6, 2005 |
| A firetube boiler furnace having two combustion sections and an in-line intermediate tubular heat transfer section between the two combustion sections and integral to the pressure vessel. This design provides a staged oxidant combustion apparatus with separate in-line combustion cham |
| 6970397 |
Determination of fluid properties of earth formations using stochastic inversion |
November 29, 2005 |
| A method of determining a fluid property in a subsurface region of interest of an earth formation uses measurements of seismic attributes on seismic data. For a test region, a plurality of realizations of rock properties are specified, and for each of the realizations and a selected valu |
| 6968735 |
Long range data transmitter for horizontal directional drilling |
November 29, 2005 |
| An apparatus for monitoring conditions in subterranean borehole during drilling and pullback operations in real time. The apparatus includes a drill string having a working end. A measurement system suitable for measuring at least one operational characteristic of the apparatus and h |
| 6946017 |
Process for separating carbon dioxide and methane |
September 20, 2005 |
| A process for separation of carbon dioxide and methane in which a gas mixture comprising carbon dioxide and methane is brought into contact with a methane hydrate solid material disposed in a reactor vessel, whereby the methane hydrate is displaced by carbon dioxide hydrate, thereby free |
| 6945734 |
In-situ thermochemical solidification of dense non-aqueous phase liquids |
September 20, 2005 |
| A method for in-situ dense non-aqueous phase liquids treatment in which a subsurface source area comprising at least one rapid release contaminant is located and free water removed therefrom. The subsurface source area is then heated to a temperature suitable for extracting the at least |
| 6939130 |
High-heat transfer low-NO.sub.x combustion system |
September 6, 2005 |
| A combustion apparatus comprising a pre-combustor stage and a primary combustion stage, the pre-combustor stage having two co-axial cylinders, one for oxidant and one for fuel gas, in which the fuel gas is preheated and the primary combustion stage having rectangular co-axial passages |
| 6932958 |
Simplified three-stage fuel processor |
August 23, 2005 |
| A fuel processor for producing a hydrogen-rich product gas suitable for direct use in fuel cell applications includes a housing, an annular shift/methanator reactor vessel at least one reactor vessel wall disposed within the housing and forming an outer annular space between the at least |
| 6932858 |
Vortex tube system and method for processing natural gas |
August 23, 2005 |
| A method and system for processing of natural gas in which a gaseous natural gas stream which is made up of a mixture of hydrocarbons is introduced into a vortex tube, forming a hot fluid stream and a cold fluid stream. The cold fluid stream is introduced into the upper section of a |
