Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7241321 | Organically clean biomass fuel An organically clean biomass fuel formed of mixture of a powder, which may be either dried, cellulosic product, wood charcoal powder, and/or a combination of the two, and a fluid, which may be vegetable oil, vegetable alcohol or a combination of the two. A centrifug... | 07/10/2007 |
| 7208023 | Dry dust control materials The present invention discloses methods to reduce dusting in bulk materials, such as coal. The method includes mixing with the bulk material either a fraction of the bulk material having an electrostatic charge opposite that of the remainder of the bulk material or ... | 04/24/2007 |
| 6193768 | Particulate waste wood fuel, method for making particulate waste wood fuel, and a method for producing energy with particulate waste wood fuel A particulate waste wood fuel comprising wood particles comprising less than 20% water by weight and having a particle size distribution suitable for combustion of the particulate wood fuel in a particulate fossil fuel suspension furnace. A method for mak... | 02/27/2001 |
| 6068671 | Coal drying method and equipment, method for aging reformed coal and aged reformed coal, and process and system for producing reformed coal In drying coal to be used as fuel for a coal-fired boiler, the coal is dried at a temperature of 80 to 150° C. by using combustion exhaust gas having passed through an air heater for the coal-fired boiler. Moreover, after medium-quality or low-quality co... | 05/30/2000 |
| 5795484 | Method and apparatus for dewatering An ultra-fine coal particle fraction forms a coal product with particles that are dilatant due to the mechanical stripping of the clay contaminates from the coal surface and the subdividing of the clay to clay platelets which are peptized to maintain disc... | 08/18/1998 |
| 5637122 | Electrostatic pyrite ash and toxic mineral separator The invention relates to electrostatic separation of coal from toxic and pyritic elements and ash compounds. More particularly this invention relates to separation of coal from refuse material by imparting opposite electrostatic charges to coal and refuse... | 06/10/1997 |
| 5575824 | Coal preparation device The present invention provides for a fuel coal processing system having a centrifugal type coal pulverizer and an electrostatic type coal purifier and an optional fuel coal size classifier all combined into one integral, cooperatively acting fuel coal pre... | 11/19/1996 |
| 5468265 | Method for treating coal A method of treating coal. The method comprises passing the coal through a retort having a shell temperature of about 500°-1000° F. and shock heating the coal to a maximum surface temperature of about 500°-1000° F. without allowing the coal to become ... | 11/21/1995 |
| 5350431 | Process for chemical desulfurization of coal A process for chemical desulfurization of coal, in which coal is brought into contact with a desulfurizing agent after or while the coal is irradiated with ultraviolet light, thereby to give remarkably high desulfurization ratios and remarkably high yield... | 09/27/1994 |
| 5332407 | Diesel fuel additive providing clean up detergency of fuel injectors A diesel fuel composition comprising a major portion of a middle distillate fuel oil and a minor portion, effective to clean deposits from diesel fuel injectors, of a diesel fuel detergent comprising the reaction product of: (a) a 4-alkyl-2-morpholinone repres... | 07/26/1994 |
| 5275631 | Coal pulverizer purifier classifier A fuel coal processing system is provided which consists of a centrifugal type pulverizer, a coal purifier and an optional fuel coal size classifier, all combined into one integral, cooperatively acting, fuel coal preparation device. The pulverizer consis... | 01/04/1994 |
| 5254139 | Method for treating coal A method of treating coal. The method comprises passing the coal through a retort having a shell temperature of about 500°-1000° F. and shock heating the coal to a maximum surface temperature of about 500°-1000° F. without allowing the coal to become ... | 10/19/1993 |
| 5244472 | Preparation of chemically dried cellulosic fuel Wood chips, bark, sawdust and other cellulosic products containing unacceptably high quantities of water are dried and enriched in BTU content. The green or freshly cut wood product is immersed in hot oil to dry the wood. After water exits the wood pores ... | 09/14/1993 |
| 5137539 | Method for producing dried particulate coal fuel and electricity from a low rank particulate coal A method for producing dried particulate coal fuel and electricity from a low rank particulate coal in a combined process.... | 08/11/1992 |
| 5123931 | Coal recovery process A method for the beneficiation of coal by selective agglomeration and the beneficiated coal product thereof is disclosed wherein coal, comprising impurities, is comminuted to a particle size sufficient to allow impurities contained therein to disperse in ... | 06/23/1992 |
| 5066310 | Method for recovering light hydrocarbons from coal agglomerates A method and apparatus for removing light hydrocarbons, such as heptane, from coal agglomerates includes an enclosed chamber having a substantially horizontal perforate surface therein. The coal agglomerates are introduced into a water bath within the cha... | 11/19/1991 |
| 5033230 | Method for passivating particulate coal A method is disclosed for drying and passivating wet coals, for example bituminous, subbituminous or lignite. The wet coal is introduced into a heating zone at a controlled rate, then is contacted with a heavy hydrocarbonaceous treatment material having a... | 07/23/1991 |
| 4831942 | Method of controlling deactivation of denitrating catalyst The deactivation of a denitrating catalyst that is caused by exhaust gas dust in a boiler, a furnace or the like which employs a fossil fuel, particularly pulverized coal, can be controlled with excellent results by adding to a fuel at a mill installed in... | 05/23/1989 |
| 4797137 | Apparatus for cleaning fossil fuel, such as coal and crude oil Contaminants, such as sulphur, sulphur compounds and other pollutants are removed from fossil fuels. The fossil fuel in a liquid medium, such as crude oil or a coal slurry, is exposed to metallic copper to react the sulphur with copper ions and settle out... | 01/10/1989 |
| 4681598 | Method of removing pyritic sulfur from coal Pyritic sulfur is removed from coal to concentrate gas fraction collecting a gas fraction at decomposition temperatures within the range from 375° to 550° C. The collected fraction contains at least 60% of the total composable sulfur and not over 40% of... | 07/21/1987 |
| 4678478 | Method for desulfurization of coal A process and apparatus for desulfurizing coal which removes sulfur in the inorganic and organic form by preferentially heating the inorganic iron sulfides in coal in a flowing gas to convert some of the inorganic iron sulfides from a pyrite form FeS... | 07/07/1987 |
| 4657561 | Method of recovering fuel from coal ash A method of recovering fuel from coal ash containing non-combusted carbon in particulate form discharged from a pulverized coal fired boiler, a fluidized bed boiler or a coal gasification furnace together with exhaust gases. In this method, water and a bi... | 04/14/1987 |
| 4645513 | Process for modification of coal A process for upgrading the characteristics of moisture containing coal which comprises drying coal until the water content reaches substantially zero, rapidly heating the dried coal to a molding temperature of from 200° to 400° C. within a time of from... | 02/24/1987 |
| 4638952 | Method of fluid coke reduction Apparatus for and method of reducing spherically shaped fluid coke waste by-product pellets into a pulverized condition for use as a fuel in which there is a first grinding and pulverizing mill initially receiving the waste material which, because of its ... | 01/27/1987 |
| 4601729 | Aqueous phase continuous, coal fuel slurry and a method of its production An aqueous phase continuous, fuel slurry is claimed, and its method of production from agglomerates consisting essentially of carbonaceous particles, agglomerating oil and residual water. The slurry may be formed by thoroughly mixing with agglomerates an ... | 07/22/1986 |
| 4583990 | Method for the beneficiation of low rank coal Process for the beneficiation and recovery of low rank coals comprising subjecting pulverized low rank coal to surface treatment by admixing said coal with an aqueous mixture comprised of a polymerizable monomer, a polymerization catalyst and a coal deriv... | 04/22/1986 |
| 4551155 | In situ formation of coal gasification catalysts from low cost alkali metal salts A carbonaceous material, such as crushed coal, is admixed or impregnated with an inexpensive alkali metal compound, such as sodium chloride, and then pretreated with a stream containing steam at a temperature of 350° to 650° C. to enhance the catalytic ... | 11/05/1985 |
| 4539010 | Coal preparation A method of preparing fine particulate coal for power generation on which the coal is pretreated by the oil agglomeration method (10, 11) to increase the carbonaceous content and produce coal-oil agglomerates. These are fed to a fluidized bed (15) in whic... | 09/03/1985 |
| 4532873 | Suspension firing of hog fuel, other biomass or peat A method is described for preparing hog fuel, other biomass, or peat for efficient burning and heat recovery in a water-wall boiler. The process requires drying the fuel to less that a 30% moisture content. The fuel is then pulverized to an upper particle... | 08/06/1985 |
| 4529717 | Partially calcined carbonaceous material as a reductant An improved solid carbon reductant comprising partially calcined carbonaceous materials such as petroleum coke, containing relatively low amounts of residual hydrocarbons and a relatively high surface area and thus increased activity as compared to known ... | 07/16/1985 |
| 4511362 | Fluidized bed desulfurization High sulfur content carbonaceous material, such as coal is desulfurized by continuous fluidized suspension (20) in a reactor (18) with chlorine gas, inert dechlorinating gas and hydrogen gas. A source of chlorine gas (30), a source (32) of inert gas and a... | 04/16/1985 |
| 4501551 | Method for producing a dried particulate coal fuel from a particulate low rank coal A method for producing a dried particulate coal fuel having a reduced tendency to spontaneously ignite from a low rank coal by drying the low rank coal in a fluidized bed, cooling the resulting dried coal in a fluidized bed cooler, separating coal particl... | 02/26/1985 |
| 4482351 | Process for removing ash from coal A process for removing ash from coal comprising the steps of transferring pulverized coal to be treated by entraining it on a stream A of anti-oxidation gas, feeding the coal laden gas into dry-type electric precipitating chamber means 2 after suitably ad... | 11/13/1984 |
| 4475924 | Coal derived fuel composition and method of manufacture Coal char produced by the pyrolytic destructive thermal distillation of coal in the absence of oxygen is beneficiated, ground and sized and then is admixed in suitable portions with a liquid organic fraction to form a combustible, liquid-solid mixture whi... | 10/09/1984 |
| 4460376 | Method of recovering high-grade fuel from solid mineral-fuel raw material A method of recovering high-grade, preferably sulphur-free fuel from a bituminous or pyrobituminous mineral-fuel material, such as coal, oil shale and alum shale, wherein the raw material is finely divided into a sufficiently fine particle size for freein... | 07/17/1984 |
| 4412842 | Coal beneficiation process Coal is beneficiated by slurrying coal particles of less than 200 microns in diameter with water. The slurry is cavitated with intense sonic agitation at a level of at least 15 joules/cm2. While the slurry is in the cavitated state, impurities ... | 11/01/1983 |
| 4412843 | Beneficiated coal, coal mixtures and processes for the production thereof A process for the production of beneficiated coal and coal slurries having low ash, and sulfur involving admixing coal in an aqueous medium with a surface treating admixture comprising a polymerizable monomer, polymerization catalyst and a liquid organic ... | 11/01/1983 |
| 4402706 | Method and apparatus for oxidizing dried low rank coal An apparatus for partially oxidizing dried low rank coal, the apparatus comprising a vessel in which the coal is supported and contacted with a free-oxygen-containing gas. A method for partially oxidizing the coal is also disclosed.... | 09/06/1983 |
| 4401436 | Process for cooling particulate coal In a process for drying particulate coal by passing a heated gas through the particulate coal in a heating zone and thereafter cooling the dried particulate coal in a cooling zone, an improvement comprising the addition of a controlled quantity of water t... | 08/30/1983 |
| 4377392 | Coal composition A shattered hydrocarbonaceous product comprising a mixture of discrete comminuted hydrocarbonaceous particles having a volumetric mean particle size equivalent to less than about 5 microns in diameter separate from or in admixture with discrete inorganic ... | 03/22/1983 |
