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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5541149 | Compositions comprising a phosphonic compound, and a sulfuric acid-amide adduct and methods for controlling vegetation using such compositions A composition exhibiting increased defoliation and growth inhibition efficacy comprises the mixture of an amide-sulfuric acid adduct and a phosphonic acid and/or phosphonic acid derivative or salt.... | 07/30/1996 |
| 5494498 | Methods for using concentrated nitrogen-containing fertilizers Urea increases the solute content of a fertilizer comprising water and at least two different nitrate-containing compounds selected from the group consisting of ammonium nitrate, alkali metal nitrates, and alkaline earth metal nitrates. In addition, urea ... | 02/27/1996 |
| 5490120 | Method of imaging overturned waves An overturned wave is identified in initial seismic data and revised seismic data gathering parameters are calculated (e.g., a range of locations for a seismic source and detectors laterally displaced from the source). The gathered seismic data is used to... | 02/06/1996 |
| 5488995 | Mobile fire apparatus having hose coupling-vehicle brake interlock A fire fighting vehicle provides the capability to access obstructed areas, to quickly connect to fire water sources, to discharge large amounts of water and/or foam to fight major industrial fires, and to be capable of repositioning while fighting these ... | 02/06/1996 |
| 5486312 | High temperature stable gels Gels stable in a subterranean formation at a temperature greater than about 175° F. are formed using, inter alia, a stabilizing agent (e.g., a buffer having a buffering capacity at a pH of at least about 8 and/or a chelating agent).... | 01/23/1996 |
| 5472050 | Use of sequential fracturing and controlled release of pressure to enhance production of oil from low permeability formations Hydrocarbon production from a low permeability formation is increased by fracturing a production interval in the formation and restricting the release of pressure from the fracture to lengthen the time that the reservoir pressure remains above the fractur... | 12/05/1995 |
| 5472049 | Hydraulic fracturing of shallow wells A method for fracturing formations near a shallow horizontal well notches a wellbore at orientations such that later applied hydraulic pressure generates fractures only in preferred directions.... | 12/05/1995 |
| 5469925 | Downhole tube turning tool A tube turning tool allows laterals to be drilled and completed without the need for articulated bending tools, underreaming, high fluid pressure, or a separate running of completion tools. The turning tool uses a rigid bent pipe section capable of being ... | 11/28/1995 |
| 5462668 | Use of steam to condensate to dilute brine stream additives Additives are usually diluted before they are added to a geothermal brine processing stream. It has been found that one preferred diluent is the conditioned steam condensate produced after power generation in the geothermal plants. One class of additives ... | 10/31/1995 |
| 5445474 | Pulsing remediation method A process for cyclically operating injection and withdrawal wells penetrating contaminated zones. A high flowrate portion of the cycle time preferably does not exceed a transient response period for in-situ formation fluids to achieve a quasi-steady state... | 08/29/1995 |
| 5442906 | Combined geothermal and fossil fuel power plant A power production process integrates geothermal steam and fossil fuel energy sources to give a higher energy efficiency than is normally obtained when using these energy sources individually. Geothermal steam is partially diverted from a steam turbine an... | 08/22/1995 |
| 5433931 | Recovery of cerium Recovery of cerium values from fluoride-containing ores such as bastnasite is enhanced. The ore is ground, roasted, and leached with dilute hydrochloric acid to produce an ore concentrate. The concentrate is treated with a solution of hydrochloric acid an... | 07/18/1995 |
| 5425268 | Water immersible vapor sensor A continuous vapor sensor is assembled within a partially open protective enclosure which restricts (but does not exclude) the entry of liquid and means for excluding liquid from a portion of the enclosure, such as a non-wetting attachment material. The a... | 06/20/1995 |
| 5418217 | Composition for selectively reducing subterranean formation permeability Visible gels are formed by mixing an inorganic crosslinking agent with a low viscosity aqueous solution having a low polyacrylamide concentration and devoid of polymers containing a vicinal diol pendant group. The visible gels are employed to reduce the w... | 05/23/1995 |
| 5417737 | Concentrated nitrogen-containing fertilizers having increased alkaline earth metal uptake Urea increases the solute content of a fertilizer comprising water and at least two different nitrate-containing compounds selected from the group consisting of ammonium nitrate, alkali metal nitrates, and alkaline earth metal nitrates. In addition, urea ... | 05/23/1995 |
| 5413977 | Catalyst containing zeolite beta and a layered magnesium silicate A composition of matter comprising zeolite Beta and a layered magnesium silicate such as sepiolite is especially suited for use in combination with one or more hydrogenation components as a catalyst for hydrocracking various types of feedstocks.... | 05/09/1995 |
| 5413718 | Use of added water to achieve 100% injection weight in geothermal operations Geothermal brines are extracted from the earth, flashed and the remaining liquids are injected back into the earth. Although it would be advantageous for resource maintenance to inject the same amount of liquid as extracted, addition of liquid causes mass... | 05/09/1995 |
| 5411944 | Glyphosate-sulfuric acid adduct herbicides and use Herbicidal compositions are provided which contain combinations of glyphosate [N-(phosphonomethyl)glycine] and sulfuric acid, and/or combinations of glyphosate, sulfuric acid and a chalcogen-containing compound of the formula R1 --CX--R2 | 05/02/1995 |
| 5409614 | Control of scale deposition in geothermal operations NORMs are inhibited or prevented from precipitating with scale produced by a hot aqueous solution by adding multiple portions of a crystal structure modifier to the aqueous solution as it cools before and during removal of silicon containing components by... | 04/25/1995 |
| 5405171 | Dual gasket lined pipe connector A multi-piece, pipe joint seal has a slidable interface between seal pieces. The slidable interface allows for slippage between pieces during pipe joint assembly and disassembly, minimizing rotational and other stresses on the seal pieces and pipe sealing... | 04/11/1995 |
| 5403469 | Process for producing FCC feed and middle distillate Hydrotreated and hydrocracked liquid/vapor effluents are separated in a common separating vessel under elevated pressure. High quality middle distillates and low-sulfur/low-hydrogen-containing FCC feedstocks are produced.... | 04/04/1995 |
| 5403806 | Phosphorous-containing hydroprocessing catalyst and method of preparation A catalyst containing an overlayer of a catalytic promoter on a porous refractory support containing an underbedded phosphorus-containing component. The catalyst is prepared by incorporation and calcination of phosphorus with the porous refractory oxide s... | 04/04/1995 |
| 5403470 | Color removal with post-hydrotreating Diesel fuels are decolorized by hydrotreatment under mild conditions. The feedstock is normally severely hydrotreated to convert organosulfur or organonitrogen and the effluent passed to a smaller downstream hydrotreating zone at a lower temperature but s... | 04/04/1995 |
| 5399326 | Process for noncatalytic NOx abatement NOx removal is accomplished by contacting a NOx-containing stream under reducing conditions with a urea-ammonia-water composition.... | 03/21/1995 |
| 5397557 | Tetrathiocarbonate batch process Salts of tetrathiocarbonic acid are produced by a batch process in which a hydroxide, hydrogen sulfide, sulfur and carbon disulfide are reacted sequentially. The salts are produced as aqueous solutions having concentrations of upwards of 30 percent by wei... | 03/14/1995 |
| 5394910 | Glass gob drop guide funnel assembly A graphite funnel inserted into a metal funnel support sleeve guides hot glass gobs from a furnace to the glass blowing mold. The graphite insert is adjustable by set screws and is easily repositioned. The graphite insert has an outer diameter slightly le... | 03/07/1995 |
| 5393778 | Oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ... | 02/28/1995 |
| 5389595 | Hydroprocessing catalyst, its use, and method of preparation A catalyst containing an overlayer of a catalytic promoter on a porous refractory support containing an underbedded Group VIII metal-containing component. The catalyst is prepared by sequential incorporation of the Group VIII metal followed by the additio... | 02/14/1995 |
| 5384355 | Enhanced polymer concrete composition A polymer concrete pipe liner is formed from a fluidized, but substantially waterless cement containing mixture applied to the pipe interior. The mixture is composed of inorganic cement particles, a liquid styrene mixture and a minor amount of one or more... | 01/24/1995 |
| 5384329 | Oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ... | 01/24/1995 |
| 5383122 | Method for analyzing pressure buildup in low pumping rate wells The pressure build-up of hydrocarbon wells is quickly measured allowing the well to be shut-in for a shorter length of time than previously possible to achieve the same results. After the well has been shut-in at the surface the rate of change of the leve... | 01/17/1995 |
| 5378441 | Method to scavenge hydrogen sulfide from natural gas Hydrogen sulfide is removed from natural gas by contacting the natural gas with a scrubber oil that absorbs the hydrogen sulfide. The natural gas typically contains some water, or water can be added, and the resulting mixture is used to form a water-in-sc... | 01/03/1995 |
| 5373899 | Compatible fluid gravel packing method The invention controls a well during completion by first running a sealable well completion tool and string downhole from the surface and isolating a productive interval near an oil or gas formation from the remainder of the wellbore. The drilling or othe... | 12/20/1994 |
| 5374608 | Compositions containing adducts and surfactants Compositions containing one or more surfactants in combination with sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H2 SO4 molar ratio is below 2. These compositions contain the... | 12/20/1994 |
| 5374349 | Hydrocracking process employing catalyst containing zeolite beta and a pillared clay A composition of matter comprising zeolite Beta and a pillared clay is especially suited for use in combination with one or more hydrogenation components as a catalyst for hydrocracking various types of feedstocks.... | 12/20/1994 |
| 5368112 | Tensioning apparatus for tie down lines A measured and controlled tension is applied to one or more lines or cables attached to a drilling rig. Preferably, the tensioned line provide reactive torque support for the power swivel, The controlled tension allows a greater power swivel torque to be ... | 11/29/1994 |
| 5364439 | Method to treat geothermal fluid streams An integrated system of non-condensable gas (NCG) and condensate treatment allows geothermal power plant condensate and non-condensable gas effluent streams containing H2 S and ammonia to be commercially useful for more than for cooling tower m... | 11/15/1994 |
| 5360782 | Aqueous solution comprising a thiocarbonate, a sulfide, and an ammoniacal compound Aqueous thiocarbonate solutions are stabilized by the addition of base, sulfide and/or polysulfide, and the stability and safety of the more concentrated solutions containing 1 weight percent or more equivalent CS2 as a thiocarbonate are achiev... | 11/01/1994 |
| 5358627 | Hydroprocessing for producing lubricating oil base stocks High quality lubricating oil base stocks are produced from crude oils that contain significant concentrations of aromatic compounds in their higher boiling fractions. First, the crude is fractionated. After the residua fraction has been deasphalted, it is... | 10/25/1994 |
| 5355967 | Underbalance jet pump drilling method A method for rotary drilling and removing cuttings provides a underbalanced drilling fluid pressure at the drilling face but overbalanced pressure in the wellbore. The preferred method uses a rotary drill within a housing which also encloses a jet pump wh... | 10/18/1994 |
