| Patent Number |
Title Of Patent |
Date Issued |
| T996001 |
Production of ammonium potassium polyphosphates |
July 1, 1980 |
| Embodiment No. 1. Urea phosphate prepared from wet-process phosphoric acid is heated with monopotassium orthophosphate in a mole ratio of 0.25 to 4.0 at 130.degree. to 200.degree. C. to form an ammonium potassium polyphosphate having an average chain length between 1.2 and 2.5. The a |
| T969003 |
Controlled release liquid fertilizers |
April 4, 1978 |
| liquid fertilizers having controlled release properties are prepared from fertilizer solutions and oil-surfactant mixtures. An invert surfactant is dissolved in an oil such as kerosene. The amount of surfactant used can vary over a wide range. Use of between 0.6 and 1.0 percent surfactan |
| T969002 |
Granular ammonium phosphate sulfate and urea-ammonium phosphate sulfate using a common pipe-cros |
April 4, 1978 |
| process for production of fertilizers from phosphoric and sulfuric acids, anhydrous ammonia, and urea, and for the production of high-analysis granular ammonium phosphates, ammonium phosphate sulfates, and urea-ammonium phosphate sulfates--some with polyphosphate contents of up to 68 |
| T100302 |
Phosphate flotation with tribasic acids |
February 3, 1981 |
| A phosphate ore flotation process subjects a phosphate ore containing silica and silicates to froth flotation in the presence of a collector, said collector being a C.sub.54 high molecular weight tribasic acid comprising three carboxylic functional groups, recovering the phosphate co |
| T100301 |
Phosphate flotation with dibasic acids |
February 3, 1981 |
| A phosphate ore flotation proces subjects a phosphate ore containing silica and silicates to froth flotation in the presence of a collector, said collector being a C.sub.36 high molecular weight dibasic acid comprising two carboxylic functional groups, recovering the phosphate concentrat |
| H980 |
Two-stage, single-unit, and energy-efficient granulator dryer |
November 5, 1991 |
| The present invention relates to methods and implementation, including apparatus comprising a two-stage, single-unit, and energy-efficient rotary drum-type granulator-dryer device having a granulator section and a separate dryer section in a new and novel combination designed for con |
| H676 |
Production of urea fluorosilicate |
September 5, 1989 |
| A process for producing urea fluorosilicate, [(NH.sub.2).sub.2 CO].sub.4 .multidot.H.sub.2 SiF.sub.6, a composition eminently suitable for use as a fungicide in the prevention and control of wheat stem rust. The method involves mixing urea and fluorosilicic acid derived from by-product |
| H425 |
O--X--O and O--X--X suspension fertilizers from phosphoric acid, phosphate rock, and potash |
February 2, 1988 |
| Process and Apparatus for preparing O--X--O and O--X--X (i.e., zero nitrogen) suspension fertilizers wherein phosphate rock is acidulated with merchant-grade wet-process orthophosphoric acid. The instant invention requires only a minimal amount of relatively inexpensive equipment. The |
| H25 |
Thiophosphoryl triamide as a urease inhibitor |
February 4, 1986 |
| My testing procedures have demonstrated that thiophosphoryl triamide (I) and its linear thermal polymers (II) having the structures illustrated below are highly effective inhibitors of urease activity in agricultural soil systems. ##STR1## |
| H1085 |
Sulfur coating of urea containing gelling clays |
August 4, 1992 |
| The present invention teaches a technique and provides for apparatus eminently useful for reducing the amount of sulfur currently needed by industry to sulfur coat water-soluble fertilizer materials such as, for example, granular or prilled urea. A further advantage of and benefit de |
| H1070 |
Granulation of potash materials |
July 7, 1992 |
| A process for granulating finely divided particulate sulfate or chloride salts of potassium to produce therefrom agricultural products having exceptionally satisfactory physical and chemical properties in regard to bulk blending with other fertilizer blend materials and also in regard to |
| D364615 |
Mount for overhead transparency |
November 28, 1995 |
|
| D358591 |
Mount for overhead transparency |
May 23, 1995 |
|
| D347860 |
Combined wall mountable name plate holder and connector tab |
June 14, 1994 |
|
| D304738 |
Message panel |
November 21, 1989 |
|
| 7294327 |
Multi-stage cryogenic acid gas removal |
November 13, 2007 |
| A relatively simple and energy efficient multiple stage cryogenic process for the purification of a hydrogen-rich stream by the removal of acid gases, mainly CO.sub.2 and H.sub.2S, by method of autorefrigeration and delivering or producing those acid gases, mainly CO.sub.2, at pressure |
| 7230837 |
Method and circuit for cascaded pulse width modulation |
June 12, 2007 |
| A method of balancing the voltage of DC links in a cascaded multi-level converter (CMC) semiconductor circuit, including the steps of providing a plurality of H-bridge converters per phase in the CMC circuit and utilizing a three phase duty cycle value from the main controller to det |
| 7111407 |
Vertical shaft alignment tool |
September 26, 2006 |
| An apparatus and a method for aligning a vertical shaft or multiple axially coupled vertical shafts in a hydroelectric turbine generator or a similar vertical-shaft system, and for providing precise plumb inclination alignment of a vertical rotating shaft. Precision inclinometers att |
| 6805844 |
Reactor vessel, method and system for treating, sampling, and transporting toxic waste |
October 19, 2004 |
| An apparatus, method and system for the treatment, sampling, and transportation of chemical weapon materiel contained in a small frangible glass, e.g., container. The apparatus, method and system permit the chemical weapon materiel to be easily treated and contained by a technician i |
| 6751959 |
Simple and compact low-temperature power cycle |
June 22, 2004 |
| A simple, compact, and relatively efficient thermodynamic power cycle system and process for extracting heat from a heat source stream and converting a portion of the heat to mechanical power. The system and process are composed of the same series of four processing units or steps fo |
| 6599423 |
High-efficiency processes for destruction of contaminants |
July 29, 2003 |
| 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-loop recycle schemes which dra |
| 6567795 |
Artificial neural network and fuzzy logic based boiler tube leak detection systems |
May 20, 2003 |
| Power industry boiler tube failures are a major cause of utility forced outages in the United States, with approximately 41,000 tube failures occurring every year at a cost of $5 billion a year. Accordingly, early tube leak detection and isolation is highly desirable. Early detection |
| 6461510 |
High-efficiency processes for destruction of contaminants |
October 8, 2002 |
| 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-loop recycle schemes which dra |
| 6269287 |
Method and apparatus for monitoring a hydroelectric facility trash rack and optimizing performan |
July 31, 2001 |
| 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 performance curves representative of |
| 6136281 |
Method to control mercury emissions from exhaust gases |
October 24, 2000 |
| 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 from the gas phase. Accordingly, mer |
| 6063204 |
Concentrated sulfuric acid hydrolysis of lignocellulosics |
May 16, 2000 |
| 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 hemicellulose is highly dependent on the met |
| 5988081 |
Method and system for the disposal of coal preparation plant waste coal through slurry co-firing |
November 23, 1999 |
| A method and system for the use of waste coal fines to reduce nitrogen oxides emissions from a coal-fired cyclone boiler. A coal water slurry including waste coal fines is injected as a co-firing fuel into a cyclone barrel of the cyclone boiler to partially oxidize the coal water slurry |
| 5972118 |
Concentrated sulfuric acid hydrolysis of lignocellulosics |
October 26, 1999 |
| 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 hemicellulose is highly dependent on the met |
| 5953227 |
Method and apparatus for monitoring hydroelectric facility performance costs |
September 14, 1999 |
| 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 parameters of interest are store |
| 5837029 |
Dried particulate hydrophilic gel as micronutrient delivery system |
November 17, 1998 |
| 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 significantly improve the efficiency and e |
| 5800077 |
Method and apparatus for monitoring a hydroelectric facility trash rack |
September 1, 1998 |
| 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 conduit downstream of the rack. |
| 5667693 |
Exclusion chromatographic separation of ionic from nonionic solutes |
September 16, 1997 |
| 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 waste products such as corn stover in |
| 5632799 |
Dried particulate, hydrophilic gel as micronutrient delivery system |
May 27, 1997 |
| 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 significantly improve the efficiency and e |
| 5628907 |
Process for separating acid-sugar mixtures using ion exclusion chromatography |
May 13, 1997 |
| 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 waste products such as corn stover in |
| 5560827 |
Exclusion chromatographic separation of ionic from nonionic solutes |
October 1, 1996 |
| 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 waste products such as corn stover in |
| 5538637 |
Process for separating acid-sugar mixtures using ion exclusion chromatography |
July 23, 1996 |
| 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 waste products such as corn stover in |
| 5538637 |
Process for separating acid-sugar mixtures using ion exclusion chromatography |
July 23, 1996 |
| 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 waste products such as corn stover in |
| 5514285 |
Aeration system |
May 7, 1996 |
| 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. Liquid flow is directed over an in |
| 5476528 |
System for improving material release profiles |
December 19, 1995 |
| 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 of water-insoluble materials, |
| 5462657 |
Aeration system |
October 31, 1995 |
| 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. Liquid flow is directed over an in |
| 5439497 |
Utilization of low-quality ammonium sulfates |
August 8, 1995 |
| 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 because the crystals are too |
| 5407606 |
Oriented spray-assisted cooling tower |
April 18, 1995 |
| Apparatus useful for heat exchange by evaporative cooling when employed in conjunction with a conventional cooling tower. The arrangement includes a header pipe which is used to divert a portion of the water in the cooling tower supply conduit up stream of the cooling tower to a multipli |
| 5407580 |
Process for separating acid-sugar mixtures using ion exclusion chromatography |
April 18, 1995 |
| 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 waste products such as corn stover in |
| 5388455 |
Electromagnetic borehole flowmeter system |
February 14, 1995 |
| 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. Arrangements are provided for uti |
| 5366533 |
Micronutrient delivery system using citrus by-product |
November 22, 1994 |
| 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 [FeSO.sub.4 or Fe.sub.2 (SO.sub.4).sub.3 ] signif |
| 5297425 |
Electromagnetic borehole flowmeter system |
March 29, 1994 |
| 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. Arrangements are provided for uti |
| 5275639 |
Recovery of phosphates from elemental phosphorus bearing wastes |
January 4, 1994 |
| 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 reacting aqueous elemental p |
| 5221313 |
Micronutrient delivery systems using hydrophilic polyacrylamides |
June 22, 1993 |
| Inclusion of certain hydrophilic organic gel-forming polymers, notably polyacrylamides, with relatively inexpensive soluble iron sulfate [FeSO.sub.4 or Fe.sub.2 (SO.sub.4).sub.3 ] significantly improves the efficiency of iron source fertilizer materials for iron-sensitive plants grow |
| 5135561 |
Ammonium sulfate suspension intermediates for nitrogen-sulfur fluids |
August 4, 1992 |
| 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 a undesirably high-moisture cont |
| 5098461 |
Phosphatic and nitrogen fertilizers via HNO.sub.3 processing |
March 24, 1992 |
| 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 approximately one-half of the in |
