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| Number | Title | Issue Date |
| 6461510 | High-efficiency processes for destruction of contaminants The present invention relates to novel ex situ processes for simple and economical destruction of air, water, and soil contaminants using naturally occurring microorganisms that are widely available in the environment. The processes utilize novel closed-l... | 10/08/2002 |
| 6269287 | Method and apparatus for monitoring a hydroelectric facility trash rack and optimizing performance A system and method are provided for monitoring trash rack fouling in a turbine facility. The trash rack monitoring system includes sensors for detecting apparent gross head, flow rate, and effective gross head. The head values are used to select performa... | 07/31/2001 |
| 6136281 | Method to control mercury emissions from exhaust gases The present invention relates to a method to catalyze the oxidation of Hg(0) in a flue gas stream prior to standard emissions control equipment. The oxidized mercury has been found to be more condensable than Hg(0) and consequently more easily removed fro... | 10/24/2000 |
| 5972118 | Concentrated sulfuric acid hydrolysis of lignocellulosics A process, system, and apparatus for effectively and economically producing fermentable sugars from cellulosic feedstocks is described. The economic viability of using wood and/or agricultural waste, containing large fractions of cellulose and hemicellulo... | 10/26/1999 |
| 5953227 | Method and apparatus for monitoring hydroelectric facility performance costs A method and system are provided for monitoring performance parameters of a hydroelectric power generation facility and determining economic impact of operating the facility at levels other than predetermined reference levels. Optimal or desired levels of... | 09/14/1999 |
| 5837029 | Dried particulate hydrophilic gel as micronutrient delivery system The inclusion of certain organic hydroxy acids, most notably citric acid, in the iron sulfate formulations of at least one prior art hydrophilic polymer delivery system followed by drying and crushing the product into particles has been found to significa... | 11/17/1998 |
| 5800077 | Method and apparatus for monitoring a hydroelectric facility trash rack A system is provided for monitoring fouling of a trash rack for a hydroelectric power generation facility. The trash rack monitoring system includes sensors for detecting head upstream and downstream of a trash rack as well as the flow through an inlet co... | 09/01/1998 |
| 5667693 | Exclusion chromatographic separation of ionic from nonionic solutes A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 09/16/1997 |
| 5632799 | Dried particulate, hydrophilic gel as micronutrient delivery system The inclusion of certain organic hydroxy acids, most notably citric acid, in the iron sulfate formulations of at least one prior art hydrophilic polymer delivery system followed by drying and crushing the product into particles has been found to significa... | 05/27/1997 |
| 5628907 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 05/13/1997 |
| 5560827 | Exclusion chromatographic separation of ionic from nonionic solutes A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 10/01/1996 |
| 5538637 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 07/23/1996 |
| 5514285 | Aeration system New techniques and means for their utilization are described for substantially improving gas to liquid transfer including aeration of hydroelectric project tailwaters and treatment of sewage sludge and sewage treatment effluent or other wastewaters. Liqui... | 05/07/1996 |
| 5476528 | System for improving material release profiles Improved release profiles which can, for the first time, be customized to match requirements of systems including crop nutrient uptake are realized by providing a plurality of heterogeneous particles comprised of water-soluble constituents set in a matrix... | 12/19/1995 |
| 5462657 | Aeration system New techniques and means for their utilization are described for substantially improving gas to liquid transfer including aeration of hydroelectric project tailwaters and treatment of sewage sludge and sewage treatment effluent or other wastewaters. Liqui... | 10/31/1995 |
| 5439497 | Utilization of low-quality ammonium sulfates The present invention relates to techniques for successful storage, handling, shipment, and utilization of an inexpensive, poor-quality form of by-product ammonium sulfate (AS). Such AS undergoes rapid and severe caking almost immediately after production... | 08/08/1995 |
| 5407580 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 04/18/1995 |
| 5388455 | Electromagnetic borehole flowmeter system An improved flowmeter system is described, together with circuitry, hardware, and techniques for its utilization for determining the rate of flow of fluids in conduits at a situs substantially remote from the information gathering and analysis situs. Arra... | 02/14/1995 |
| 5366533 | Micronutrient delivery system using citrus by-product Inclusion of a certain finely powdered by-product of the citrus fruit processing industry, notably a waste product consisting of processed peel, stems, seeds, and pulp, with relatively inexpensive, finely-powdered soluble iron sulfate [FeSO4 or... | 11/22/1994 |
| 5297425 | Electromagnetic borehole flowmeter system An improved flowmeter system is described, together with circuitry, hardware, and techniques for its utilization for determining the rate of flow of fluids in conduits at a situs substantially remote from the information gathering and analysis situs. Arra... | 03/29/1994 |
| 5275639 | Recovery of phosphates from elemental phosphorus bearing wastes A process for oxidizing aqueous elemental phosphorus containing residues (sludges) to produce orthophosphate containing slurries suitable for subsequent reaction with ammonia to produce nitrogen- and phosphorus-containing fertilizer products. It comprises... | 01/04/1994 |
| 5221313 | Micronutrient delivery systems using hydrophilic polyacrylamides Inclusion of certain hydrophilic organic gel-forming polymers, notably polyacrylamides, with relatively inexpensive soluble iron sulfate [FeSO4 or Fe2 (SO4)3 ] significantly improves the efficiency of iron sourc... | 06/22/1993 |
| 5135561 | Ammonium sulfate suspension intermediates for nitrogen-sulfur fluids The present invention utilizes inexpensive, low-quality by-product ammonium sulfate (AS) characterized as having poor storage, handling, and use properties and normally unsuitable for use as a solid fertilizer because crystals thereof are very fine and of... | 08/04/1992 |
| 5098461 | Phosphatic and nitrogen fertilizers via HNO3 processing A process for producing high-analysis dicalcium phosphate containing phosphatic fertilizers and by-product calcium nitrate. It comprises reacting phosphate rock with nitric acid, followed by pyrolysis of the resulting acidulate to effect liberation of app... | 03/24/1992 |
| 5096604 | In situ repair of failed mechanical seals The technique of the instant invention includes the preparation of a new mechanical seal life prolonger (SLP) by the compounding of a relatively few, inexpensive, and readily available materials. The instant technique is simply and easily placed into prac... | 03/17/1992 |
| 5069695 | Tent-free apparatus for particulate contamination control A tent-free technique, system, and apparatus for effecting protection of humans from airborne asbestos and other particulate contamination is disclosed. It comprises a first transparent cowling means operatively associated with drilling means and at least... | 12/03/1991 |
| 5055210 | Cleaning and lubricating composition for mechanical seals The technique of the instant invention includes the preparation of a new mechanical seal life prolonger (SLP) by the compounding of a relatively few, inexpensive, and readily available materials. The instant technique is simply and easily placed into prac... | 10/08/1991 |
| 5049180 | High-analysis acid-type fertilizer solutions Unusually high-analysis low-temperature-stable solution-type fertilizers are produced by mixing urea and phosphoric acid with urea-ammonium nitrate solution (UAN). The ratio of P2 O5 to total nitrogen and the ratio of CO(NH2 | 09/17/1991 |
| 5042861 | Nozzle dam remote installation system and technique The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of cert... | 08/27/1991 |
| 5034041 | Tent-free apparatus for particulate contamination control A tent-free technique, system, and apparatus for effecting protection of humans from airborne asbestos and other particulate contamination is disclosed. It comprises a first transparent cowling means operatively associated with drilling means and at least... | 07/23/1991 |
| 5022913 | Stabilized ammonium orthophosphate suspensions An improved batch process for the production, in equipment readily available at the fertilizer dealer level, of high-analysis stable ammonium orthophosphate suspension fertilizers effected by the ammoniation of solid intermediates derived from wet-process... | 06/11/1991 |
| 5006302 | Nozzle dam remote installation system and technique The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of cert... | 04/09/1991 |
| 5000908 | Pulsed high-pressure (PHP) drain-down of steam generating system The present invention relates to intermittently introducing, under carefully controlled conditions, an inert gas, into at least the channel head primary coolant water outlet side of steam generators during the drain-down of a nuclear-powered steam generat... | 03/19/1991 |
| 4989818 | Nozzle dam remote installation system and technique The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of cert... | 02/05/1991 |
| 4968502 | Removal of sulfides from gas streams with low-cost catalyst The invention described herein discloses the use of silica gel as a catalyst for the efficient oxidation of hydrogen sulfide to elemental sulfur by nitric oxide. Concomitantly, this catalyst also promotes the hydrolysis of carbonyl sulfide to carbon dioxi... | 11/06/1990 |
| 4959192 | Nozzle dam translocating system The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of cert... | 09/25/1990 |
| 4954155 | Sonic gelling of clay in suspension fertilizers The instant invention relates to a method utilizing relatively high frequency oscillations for dispersing channelized 2:1 clays during the production of fertilizer suspensions to therein form gels as opposed to the use of mechanical energy such as, for ex... | 09/04/1990 |
| 4954156 | N,N-dihalo-2-imidazolidinones and N-halo-2-oxazolidinones as urease and nitrification inhibitors The invention described herein comprises two principal embodiments. The first embodiment comprises operating procedures related to the instant invention which along with urease inhibition test results demonstrate the use of two classes of N-Halamine compo... | 09/04/1990 |
| 4954134 | Agglomeration of gypsum, limestone, or gypsum-limestone mix An improved process for economically and effectively granulating solid, finely-divided, particulate feedstock comprising phosphogypsum, limestone, or mixtures comprising sulfogypsum, natural or mineral gypsum, or mixtures thereof and limestone and having ... | 09/04/1990 |
| 4932991 | Thiopyridine-N-oxides, thiopyridines, and thiopyrimidines as urease inhibitors Newly developed testing procedures have demonstrated that three new classes of compounds, the thiopyridine-N-oxides, the thiopyridines, and the thiopyrimidines are highly effective inhibitors of urease activity in agricultural soil systems. Compositions o... | 06/12/1990 |
