Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4909237 | Combined charcoal maker and starter A portable charcoal maker is disclosed for home use. The charcoal maker can also be used to start ordinary charcoal briquettes as well. The device consists of a tapered housing having a large cylindrical hopper placed on the top of the tapered housing. Th... | 03/20/1990 |
| 4867848 | Process and apparatus for producing moulded coke in a vertical furnace which is at least partly electrically heated An apparatus and process for producing coke in a vertical furnace having an upper part for preheating and devolitalizing raw ovoids of coal, an electrically heated median part for carbonizing and coking the ovoids and a lower part for partially cooling th... | 09/19/1989 |
| 4820382 | Method and apparatus for removing solids from an upwardly moving bed chamber A method for forming a terraced structure in the upper surface of a particulate solid bed, typically oil shale, moving upward through an upflow retort and removing particulate solids from the upper surface, which includes rotating a scraping means compris... | 04/11/1989 |
| 4786368 | Static mixer retorting of oil shale Oil shale is well mixed and efficiently, effectively, and economically retorted in a special gravity flow retorting process and system which utilizes novel arrangements of internal baffles in a static mixer.... | 11/22/1988 |
| 4752359 | Method of producing active form coke Active form coke is made from coal by passing the coal granulate downwardly through a preheating and pyrolysis zone, a heating zone, an aftertreatment zone and a cooling zone by moving respective grate bars of grates in each zone so that a bed of granules... | 06/21/1988 |
| 4743341 | Apparatus for the pyrolysis of hydrocarbon containing materials A pyrolysis chamber includes a bath of molten salt divided by a horizontally disposed baffle into an upper layer and a lower layer. Connected to one end of the chamber is a furnace including submerged burners for heating the salt and for maintaining it in... | 05/10/1988 |
| 4727657 | Declined bed contactor An apparatus for contacting solids with gases, preferably a needle coke preheater, which includes an elongated housing having an entrance and an exit and means for introducing solids into the entrance of the housing. A bed support divides the housing into... | 03/01/1988 |
| 4722768 | Device for carrying out gas/solid reactions Untreated coal is activated with steam at temperatures of 600° to 950° C. in a vibrating fluid bed, which is directly heated. The untreated coal is pre-dried by counter-current passage of the waste gases from the reaction either during feeding of the un... | 02/02/1988 |
| 4718984 | Apparatus for calcining coke An internally-fired vertical shaft kiln for calcining coke wherein a downwardly moving coke bed has a co-current preheat gas stream in the upper portion of the kiln and a counter-current combustion gas stream in the lower portion of the kiln. Both gases a... | 01/12/1988 |
| 4670104 | Polar solvent dedusting A process and system is provided to produce and dedust oil from oil shale and other types of solid hydrocarbon-containing material. In the process, raw oil shale is retorted, preferably with solid heat carrier material, to liberate an effluent product str... | 06/02/1987 |
| 4652430 | Apparatus for multi-stage refining of organic bulk materials An apparatus for the multi-stage refining of organic bulk materials according to the fluidized bed principle comprising a plurality of horizontally aligned cells (23) including an upper drying chamber (1), a middle degasification chamber (2) and a lower r... | 03/24/1987 |
| 4619738 | Apparatus for oil shale retorting A cascading bed retorting process and apparatus in which cold raw crushed shale enters at the middle of a retort column into a mixer stage where it is rapidly mixed with hot recycled shale and thereby heated to pyrolysis temperature. The heated mixture th... | 10/28/1986 |
| 4606138 | Apparatus for gas treatment of a bed of particles An apparatus for gas treating a particle bed wherein a uniform temperature gradient is achieved. A support member, such as a grate, serves to support a bed of particles on a surface thereof. The support member is moved in a predetermined direction. Gas is... | 08/19/1986 |
| 4588478 | Apparatus for solar retorting of oil shale An apparatus for a process for solar retorting of oil shale which comprises pyrolyzing fluidized ground oil shale particles by solar radiation in a retort, wherein said ground oil shale particles are provided in a state of continuous fluidization entraine... | 05/13/1986 |
| 4572082 | Thermal decomposition furnace of waste tires A thermal decomposition furnace in which waste tires having original shape, not broken up, can be laid horizontally and be thermally decomposed. The furnace is constructed by providing a feeder above, forming downward a fluidized bed-forming section havin... | 02/25/1986 |
| 4551206 | Apparatus with moving bed pressure letdown stage for recovering retorted oil shale A dry sealing leg apparatus is comprised of four chambers through which a moving bed of retorted shale particulates from an oil shale retort is passed serially: a surge chamber, a gas injection chamber, a seal leg chamber, and a gas disengaging chamber. I... | 11/05/1985 |
| 4523979 | Apparatus for recovery of retorted shale from an oil shale retorting process Retorted shale particles are recovered from a retort and delivered to a gas lift for transport to a fluidized combustor by passage, serially, through a sealing vessel, a crusher preferably operating at retort pressure, and a surge vessel. In the sealing v... | 06/18/1985 |
| 4511434 | Fluid bed retorting system A fluid bed system for retorting solid hydrocarbon-containing material, such as oil shale, coal and tar sands, in which solid hydrocarbon-containing material and heat carrier material are fed into a mixing chamber, mixed and rapidly transported upwardly b... | 04/16/1985 |
| 4505809 | Process and apparatus for extracting hydrocarbons from oil shale A process for extracting hydrocarbons from oil shale comprising the steps of subjecting oil shale under superatmospheric pressure in the presence of hydrogen and steam, to low temperature hydrogenating distillation; separating the resulting fluid distilla... | 03/19/1985 |
| 4501644 | Apparatus for the selective retorting of carbonaceous materials A staged retort is provided for the retorting of certain types of carbonaceous materials such as oil shale, coal or lignite, wherein the staged retort includes a number of separate retort chambers arranged in a modular configuration, with one retort chamb... | 02/26/1985 |
| 4495032 | Split hub wheel apparatus A shale oil retort apparatus is provided for retorting oil shale under airtight conditions. The retort apparatus employs a split hub wheel device which allows for the axial feeding of crushed oil shale and the axial dispensing of spent oil shale. The reto... | 01/22/1985 |
| 4475987 | Method of and apparatus for the mixing and processing of fragile material and fragmentel solids Fragile agglomerates with crushed rock fragments, such as fines which are subsequently agglomerated and which result in the crushing of rock fragments, such as oil shale prepared for retorting are mixed and delivered onto conveying means, such as a travel... | 10/09/1984 |
| 4466863 | Equipment for devolatilizing devolatilizable fine-grained material by means of hot fine-grained heat-carrying material Devolatilizable fine-grained material which contains hydrocarbons is devolatilized by means of fine-grained solids which have been heated to temperatures of about 500° to 1000° C. The devolatilizable fine-grained material is mixed with the heated solids... | 08/21/1984 |
| 4465556 | Pyrolysis system with hot gas recirculation A process and system for continuously pyrolyzing organic feedstock produces a solid carbonaceous residue of controlled volatility, in a manner that is highly energy efficient. The value of the gaseous product and of the pyrolytic oil produced are also opt... | 08/14/1984 |
| 4461674 | Apparatus for recovery of different weight fractions of oil from shale An oil shale retorting method and apparatus moves a bed of oil bearing shale particles along a generally horizontal path and passes through the bed at spaced points a plurality of discrete nonoxidizing gas streams heated to different oil educting temperat... | 07/24/1984 |
| 4459136 | Apparatus for drying, pyrolyzing, and gasifying lump wood An apparatus for drying, pyrolyzing and possibly also gasifying of lump wood in a cylindrical vessel with a hearth case includes a vessel of a type which differs from prior art vessel units by a top cooling hood with an annular cooling duct and an outer a... | 07/10/1984 |
| 4447297 | Combined fluidized bed retort and combustor The present invention is directed to a combined fluidized bed retorting and combustion system particularly useful for extracting energy values from oil shale. The oil-shale retort and combustor are disposed side-by-side and in registry with one another th... | 05/08/1984 |
| 4431483 | Apparatus for distilling shale oil from oil shale An apparatus for distilling shale oil from oil shale, which comprises: a vertical type distilling furnace which is divided by two vertical partitions each provided with a plurality of vent apertures into an oil shale treating chamber and two gas chambers,... | 02/14/1984 |
| 4417528 | Coal gasification process and apparatus Coal devolatized and partially gasified in a travelling grate reactor is dropped into a shaft furnace to form a downwardly moving stack which moves then downwardly to and through a fixed bed gasifier, wherein it is burned to ash. A gas stream from the tra... | 11/29/1983 |
| 4409068 | Injector for calciner Combustion gas such as air, oxygen-enriched air or oxygen is introduced at an intermediate level in a vertical shaft kiln for the calcining of petroleum coke using a plurality of radially disposed combustion gas injectors. The injectors include means for ... | 10/11/1983 |
| 4407700 | Injector for calciner Combustion gas such as air, oxygen-enriched air or oxygen is introduced to a calcining zone at an intermediate level in a vertical shaft kiln for the calcining of petroleum coke utilizing a plurality of radially disposed combustion gas injectors and at le... | 10/04/1983 |
| 4407701 | Apparatus for treating gases produced from coal Apparatus for treating gases produced from the conversion of coal, e.g., from carbonization of coal, to remove the undesirable constituents thereof is disclosed. The method involves passing the hot raw gases from the coal conversation process over a coke ... | 10/04/1983 |
| 4373994 | Pyrolysis process and apparatus This invention discloses a process and apparatus for pyrolyzing particulate coal by heating with a particulate solid heating media in a transport reactor. The invention tends to dampen fluctuations in the flow of heating media upstream of the pyrolysis zo... | 02/15/1983 |
| 4373995 | Pyrolysis system utilizing pyrolytic oil recycle A pyrolysis process and system produces a solid residue and a clean, enriched fuel gas. In the process, the pyrolytic oil and filter cake are recycled in such a manner as to produce products of optimal value, and to minimize the need for servicing and dow... | 02/15/1983 |
| 4368103 | Coal carbonization and/or gasification plant An improved plant for coal carbonization or gasification of the type having a vessel with reaction compartment, at least one burner at the top of the reaction compartment for the partial combustion of finely-ground coal at a temperature above the ash-melt... | 01/11/1983 |
| 4359363 | Apparatus for entrained coal pyrolysis This invention discloses a process and apparatus for pyrolyzing particulate coal by heating with a particulate solid heating media in a transport reactor. The invention tends to dampen fluctuations in the flow of heating media upstream of the pyrolysis zo... | 11/16/1982 |
| 4357210 | Electric furnace for the calcination of carbonaceous materials The invention relates to an electric furnace for heating by passing a current through the charge, and more particularly, a continuous furnace in which the charge is a carbonaceous material. The furnace according to the invention is provided with a device for ... | 11/02/1982 |
| 4341598 | Fluidized coal pyrolysis apparatus Method and apparatus for pyrolyzing agglomerative coals which comprises introducing a fluidized bed of hot char particles into a pyrolysis chamber or reactor, and injecting upwardly into the chamber a high velocity jet of agglomerative coal particles in a... | 07/27/1982 |
| 4340444 | Plant for retorting oil products contained in shales and sands A plant for continuously retorting oil products contained in shales and sands comprising a substantially horizontal retort furnace into which said shales and sands are introduced by means of hoppers and metering devices and placed on metal conveyors movin... | 07/20/1982 |
| 4312740 | Process for maximizing oil yield in the retorting of oil shale An improved method for retorting oil shale with heat-carrying bodies comprising relatively coarse attrition resistant, non-oil sorbing, shale ash particles wherein oil recovery is maximized. After retorting, the spent oil shale and heat-carrying bodies ar... | 01/26/1982 |
