| Patent Number |
Title Of Patent |
Date Issued |
| 6572912 |
Cooking process |
June 3, 2003 |
| A process and apparatus for cooking non-cured food products in which the non-cured food products are heated in an atmosphere comprising less than about 0.5 vppmd of NO.sub.2, producing a cooked food product having substantially no pink discoloration on its outer surface. |
| 6379833 |
Alternative electrode supports and gas distributors for molten carbonate fuel cell applications |
April 30, 2002 |
| A molten carbonate fuel cell having an anode electrode, a cathode electrode, and an electrolyte matrix disposed between the anode electrode and the cathode electrode. An electrode support constructed of a high porosity reticulated foam material is disposed on an anode electrode face |
| 6321743 |
Single-ended self-recuperated radiant tube annulus system |
November 27, 2001 |
| A method and apparatus for combustion of a fuel and oxidant in which at least a portion of a fuel and at least a portion of an oxidant are introduced into an annular region formed by an outer tubular member closed off at one end and an inner tubular member open at both ends concentri |
| 6312499 |
Method for stabilization of liquid mercury |
November 6, 2001 |
| A method for stabilization of liquid mercury in which powdered copper particles are cleaned with a chemically reactive fluid suitable for removing surface oxidation from the surface. "Clean" powdered copper particles are mixed with liquid mercury to form a powdered copper/liquid merc |
| 6289851 |
Compact low-nox high-efficiency heating apparatus |
September 18, 2001 |
| A multi-stage heating apparatus having a first stage combustion chamber, a second stage combustion chamber, a primary porous matrix chamber disposed between the first and second stage combustion chambers, a secondary porous matrix chamber, heat exchanger tubes for transfer of heat from t |
| 6261710 |
Sheet metal bipolar plate design for polymer electrolyte membrane fuel cells |
July 17, 2001 |
| A separator plate for a polymer electrolyte membrane fuel cell stack constructed of at least two coextensive sheet metal elements shaped to promote the distribution of reactant gases to the electrodes of the fuel cell units of the fuel cell stack. The coextensive sheet metal elements |
| 6244200 |
Low NOx pulverized solid fuel combustion process and apparatus |
June 12, 2001 |
| A method and apparatus for low-NO.sub.x combustion of a pulverized solid fuel in which combustion products from a partial oxidation combustor are mixed with a pulverized solid fuel, thereby preheating the pulverized solid fuel and resulting in devolatilization of at least a portion of th |
| 6203187 |
Method and apparatus for controlled mixing of fluids |
March 20, 2001 |
| A method for mixing fluids in which a continuously variable flow rate stream of an injection fluid is introduced into a substantially constant flow rate stream of a primary fluid in a direction substantially transverse with respect to the direction of flow of the substantially consta |
| 6093234 |
Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a p |
July 25, 2000 |
| A process for preparing uniform, agglomerate free, submicron/nanosize ceramic powders from a polymeric foam comprising metal cations homogeneously incorporated within a foam cell structure of the polymeric foam. The polymeric foam is heated to remove any solvent, and calcined at a te |
| 5999107 |
Remote cathodic protection monitoring system |
December 7, 1999 |
| A cathodic protection monitoring system for buried metal objects comprising a transponder hard-wire connected to a sacrificial anode and a reference electrode, each of the transponder, the sacrificial anode and the reference electrode being buried underground in close proximity to the |
| 5955350 |
Sequential biological/chemical/biological treatment of organic waste |
September 21, 1999 |
| A process for remediation of contaminated solid materials comprising polynuclear aromatic hydrocarbon contaminated solid materials, polychlorinated hydrocarbon contaminated materials, and mixtures thereof by sequential biological/chemical/biological treatment in which the contaminate |
| 5942347 |
Proton exchange membrane fuel cell separator plate |
August 24, 1999 |
| A gas impervious bi-polar separator plate for a proton exchange membrane fuel cell having at least one electronically conductive material in an amount in a range of about 50% to about 95% by weight of the separator plate, at least one resin in an amount of at least about 5% by weight of |
| 5937772 |
Reburn process |
August 17, 1999 |
| A process and apparatus for combustion in which a combustible material is introduced into a combustion chamber and oxidant is supplied to the combustion chamber. The combustible material is burned, and forming a primary combustion zone. A mixture of flue gases and flyash having an or |
| 5934892 |
Process and apparatus for emissions reduction using partial oxidation of combustible material |
August 10, 1999 |
| A process for combustion of a combustible material in which a primary combustible material is introduced into a combustion chamber having an upstream region and a downstream region, and ignited, forming a primary combustion zone. A secondary combustible material is partially combusted |
| 5881756 |
Process and apparatus for homogeneous mixing of gaseous fluids |
March 16, 1999 |
| A process and apparatus for premixing a gaseous fuel and air, the apparatus comprising a back plate having a plurality of back plate openings, a front plate having a plurality of front plate openings corresponding to and substantially aligned with the back plate openings, a gaseous fuel |
| 5874374 |
Method for producing engineered materials from salt/polymer aqueous solutions |
February 23, 1999 |
| A method for producing engineered materials from salt/polymer aqueous solutions in which an aqueous continuous phase having at least one metal cation salt is mixed with a hydrophilic organic polymeric disperse phase so as to form a metal cation/polymer gel. The metal cation/polymer gel i |
| 5750065 |
Adsorption of PCB's using biosorbents |
May 12, 1998 |
| A method for producing biosorbents for adsorption of PCB's in which at least one proteinaceous material is contacted with a molar excess of at least one PCB congener mixture, forming a protein/PCB congener mixture. The protein/PCB congener mixture is dried after which the PCB congeners |
| 5725366 |
High-heat transfer, low-nox oxygen-fuel combustion system |
March 10, 1998 |
| A process and apparatus for combustion of a fuel/oxidant mixture in which at least a portion of the fuel is preheated and, thereafter, burned with any remaining portion of fuel in a flame having fuel-rich zones, thereby forming soot within the resulting flame to produce a luminous, high |
| 5698483 |
Process for preparing nanosized powder |
December 16, 1997 |
| A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase, forming a metal cation salt/polymer gel, and heat treating the gel at a temperature sufficie |
| 5660202 |
Process and apparatus for insertion of robots in gas distribution systems |
August 26, 1997 |
| A hot tap apparatus for insertion of a controllable device into an in-service pipeline comprising a housing adapted to be sealably secured to a pipe and enclose a portion of the pipe. The housing forms a chamber which is partitioned into an insertion chamber and a discharge chamber, |
| 5610065 |
Integrated chemical/biological treatment of organic waste |
March 11, 1997 |
| A process for improved remediation of polynuclear aromatic hydrocarbon and/or polychlorinated hydrocarbon contaminated solid materials by integrated chemical/biological treatment comprising contacting the polynuclear aromatic hydrocarbon and/or polychlorinated hydrocarbon for chemica |
| 5550313 |
Treatment of norm-containing materials for minimization and disposal |
August 27, 1996 |
| A process for extraction of sodium from NORM-containing materials in which the NORM-containing materials are treated with a first acid, forming a spent acid solution comprising dissolved carbonates, salts, iron and/or sulfates, and a NORM-containing solid material. The NORM-containing |
| 5544624 |
Gas-fired, porous matrix, combustor-steam generator |
August 13, 1996 |
| A porous matrix, surface combustor-fluid heating apparatus comprising a combustion chamber, a porous stationary bed disposed within the combustion chamber, a porous bed heat exchanger for retaining the porous stationary bed within the combustion chamber, a fuel/oxidant inlet for introduc |
| 5531956 |
Ribbed electrodes for molten carbonate fuel cells |
July 2, 1996 |
| A method for producing a ribbed electrode for a fuel cell including the steps of depositing a suspension of a powdered electrode metal onto the face of a substantially flat porous electrode metal substrate, forming a plurality of raised structures on the face of the electrode, and sinter |
| 5520165 |
Hybrid direct/indirect water heating process and apparatus |
May 28, 1996 |
| A hybrid direct/indirect liquid heater and a process for heating a liquid in which an unheated liquid is introduced into a direct contact chamber of a hybrid direct/indirect liquid heater where it is directly contacted with hot flue gases exhausted from a cyclonic combustor-heat exchange |
| 5516677 |
Enzyme from Rhodococcus rhodochrous ATCC 53968, Bacillus sphaericus ATCC 53969 or a mutant there |
May 14, 1996 |
| A process for organic C--S bond cleavage of a sulfur-containing organic carbonaceous material by contacting the carbonacous material with a sulfur specific reactant of membrane fragments, an enzyme, or a composition of enzymes having the ability to selectively react with sulfur by cleava |
| 5507938 |
Flash thermocracking of tar or pitch |
April 16, 1996 |
| A process for producing high-quality pitches comprising atomizing a preheated feed material of carbonaceous tar and/or pitch, forming an aerosol, contacting the aerosol in a reaction vessel with a flowing, non-reactive gas atmosphere for less than about 10 seconds at a gas temperatur |
| 5503945 |
Separator plate for a fuel cell |
April 2, 1996 |
| A separator plate for a fuel cell comprising an anode current collector, a cathode current collector and a main plate, the main plate disposed between the anode current collector and the cathode current collector. The anode current collector forms a flattened peripheral wet seal structur |
| 5500123 |
Two-phase anaerobic digestion of carbonaceous organic materials |
March 19, 1996 |
| A process for improved methane production by two-phase anaerobic digestion of organic carbonaceous material in which organic carbonaceous material is fermented under anaerobic conditions in an acid phase digester, forming a liquid/solids effluent, the liquid/solids effluent is fermented |
| 5476375 |
Staged combustion in a porous-matrix surface combustor to promote ultra-low NO.sub.x Emissions |
December 19, 1995 |
| A porous matrix, surface combustor-fluid heating apparatus in which combustion of a fuel/oxidant mixture is carried out in stages within a stationary porous bed disposed in a combustion chamber. A fuel-rich fuel/oxidant mixture is burned within a region of the stationary porous bed d |
| 5462430 |
Process and apparatus for cyclonic combustion |
October 31, 1995 |
| A process and apparatus for cyclonic combustion with ultra-low pollutant emissions and high efficiency wherein a fuel and primary combustion air mixture is tangentially injected into a reducing primary combustion zone of a cyclonic combustor. The primary combustion air is injected into t |
| 5453101 |
Process for producing composite active electrolyte-matrix and laminated component tapes for molt |
September 26, 1995 |
| A composite active electrolyte-matrix tape, single laminated active electrolyte-matrix tapes laminate, single electrolyte matrix/cathode tapes laminate, and single composite active electrolyte-matrix/cathode tapes laminate, all in the form of a single flexible sheet for use as fuel cells |
| 5429793 |
Scaleable process for producing Ni-Al ODS anode |
July 4, 1995 |
| A process for producing metal oxide dispersion-strengthened anodes for use in fuel cells in which a metal alloy powder comprising at least one metal powder and at least one metal oxide forming phase is formed into a "green" cohesive structure. The "green" cohesive structure is heated in |
| 5375563 |
Gas-fired, porous matrix, surface combustor-fluid heater |
December 27, 1994 |
| A porous matrix, surface combustor-fluid heating apparatus comprising a combustion chamber, a cooled flow distributor proximate an inlet end of said combustion chamber and supporting a stationary porous bed within said combustion chamber, porous bed heat exchanger means embedded in said |
| 5362578 |
Integrated main rail, feed rail, and current collector |
November 8, 1994 |
| A separator plate for a fuel cell comprising an anode current collector, a cathode current collector and a main plate, the main plate disposed between the anode current collector and the cathode current collector. The anode current collector forms a flattened peripheral wet seal structur |
| 5358870 |
Microemulsion process for direct biocatalytic desulfurization of organosulfur molecules |
October 25, 1994 |
| A method of desulfurizing a petroleum liquid containing organosulfur molecules is disclosed. The method relies upon the use of an aqueous biocatalytic agent comprising, in preferred embodiments, a substantially cell free extract of a microorganism which functionally expresses an enzy |
| 5358869 |
Microbial cleavage of organic C-S bonds |
October 25, 1994 |
| A microbial process for selective cleavage of organic C--S bonds which may be used for reducing the sulfur content of sulfur-containing organic carbonaceous materials, Microorganisms of Rhodococcus rhodochrous and Bacillus sphaericus have been found which have the ability of selective |
| 5350293 |
Method for two-stage combustion utilizing forced internal recirculation |
September 27, 1994 |
| A method for two-stage combustion in which a mixture of fuel and primary combustion air is burned in a primary combustion zone, the primary combustion air comprising less than a stoichiometric requirement for complete combustion of the fuel, a portion of cooled partial combustion pro |
| 5344778 |
Process for enzymatic cleavage of C-S bonds and process for reducing the sulfur content of sulfu |
September 6, 1994 |
| A process for organic C--S bond cleavage of a sulfur-containing organic carbonaceous material by contacting the carbonacous material with a sulfur specific enzyme reactant of membrane fragments, an enzyme, or a composition of enzymes having the ability to selectively react with sulfur |
| 5342706 |
Fully internal manifolded fuel cell stack |
August 30, 1994 |
| A fully internally manifolded fuel cell stack is provided by each separator plate and electrolyte in the fuel cell stack having a plurality of aligned perforations forming gas manifolds extending for the length of the cell stack. Each perforation through the separator plate is surrounded |
| 5338334 |
Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a p |
August 16, 1994 |
| A for preparing uniform, agglomerate free, submicron/nanosize ceramic powders from a polymeric foam comprising metal cations homogeneously incorporated within a foam cell structure of the polymeric foam. The polymeric foam is heated to remove any solvent, and calcined at a temperatur |
| 5316555 |
Molten carbonate fuel cell electrolyte toughening |
May 31, 1994 |
| A porous matrix of lithium aluminate particles for molten alkali metal carbonates electrolytes having about 5 to about 50 volume percent, based upon the volume of the solids, of electrically non-conductive, active electrolyte compatible fibers having an average diameter of about 1 to |
| 5312582 |
Porous structures from solid solutions of reduced oxides |
May 17, 1994 |
| A process for producing porous structures for use in molten carbonate fuel cells in which a powder comprising at least one of a non-alloyed metal powder and a metal oxide powder, and a ceramic oxide powder is mixed, formed into a desired shape and sintered in an oxidizing atmosphere at a |
| 5307748 |
Cyclonic thermal treatment and stabilization of industrial wastes |
May 3, 1994 |
| A process and apparatus for thermal treatment and stabilization of waste materials in which waste material is introduced into an uppermost first combustion zone of a vertically oriented combustion chamber and a fuel and an oxidant are tangentially injected into the first combustion zone, |
| 5307746 |
Process and apparatus for emissions reduction from waste incineration |
May 3, 1994 |
| A process for combustion of the combustible material includes introducing the combustible material into the combustion chamber, advancing the combustible material through the combustion chamber, supplying combustion air to the combustion chamber for drying and partially combusting the |
| 5292244 |
Premixed fuel/air burner |
March 8, 1994 |
| A premixed fuel/air burner with velocity and fuel/air ratio control having a nozzle with a nozzle wall forming a Venturi mixer and a nozzle exit, means for separately introducing fuel and air into the Venturi mixer, a hollow body disposed in the nozzle and moveable in a longitudinal |
| 5277796 |
Pretreating oil shale with organic acid to increase retorting yield and process efficiency |
January 11, 1994 |
| A process for pretreating oil shale prior to retorting by contacting with an organic acid, such as formic and acetic acids, at temperatures below about 100.degree. C. for a period of time sufficient to react at least a portion of the oil shale carbonates and separating the shale from the |
| 5269340 |
Combined hot tap pipe cutter and gate valve for plastic pipe |
December 14, 1993 |
| A combination pipe cutter and gate valve for plastic pipe insertable into an in service pipe through which a fluid is flowing. The combination pipe cutter and gate valve comprises a valve body, means for securing a valve body around a portion of the plastic pipe into which the valve is t |
| 5257644 |
Hot tap cutter for plastic pipe |
November 2, 1993 |
| An apparatus for hot tap cutting of plastic pipe comprising an electrode having a cutting edge, means for heating said electrode, and an insulating sheath, means for controlling movement of the electrode, and a housing containing the electrode, said housing sealingly securable to at leas |
| 5243922 |
Advanced staged combustion system for power generation from coal |
September 14, 1993 |
| A process and apparatus for generating electricity from coal comprising a vertically stacked, three-stage combustor in which a sorbent is calcined in a calciner zone of the combustor and transferred to a carbonizer zone disposed below the calciner zone, coal introduced into the carbonize |
