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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8152970 | Method and apparatus for producing coke A method and apparatus for quenching metallurgical coke made in a coking oven. The method includes pushing a unitary slab of hot coke onto a substantially planar receiving surface of a hot car. The hot car containing the coke is then transported to a quench car stat... | 04/10/2012 |
| 7998316 | Flat push coke wet quenching apparatus and process A method and apparatus for quenching metallurgical coke made in a coking oven. The method includes pushing a unitary slab of incandescent coke onto a substantially planar receiving surface of an enclosed quenching car so that substantially all of the coke from the c... | 08/16/2011 |
| 7316762 | Dynamic flange seal and sealing system The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary ele... | 01/08/2008 |
| 7237383 | Method and device for extracting water in a power plant A method according to the invention and a corresponding device (1) designed to cool the exhaust gas (15) of a gas turbine to below its dew point. Water (25) accumulating hereby can be used for the power plant operation, so that the provis... | 07/03/2007 |
| 7043933 | Spray coolant reservoir system A spray coolant reservoir system for increasing the efficiency and performance of a spray thermal management system. The spray coolant reservoir system includes a reservoir capable of storing a volume of coolant, a chassis with a spray chamber, a pump unit, an intak... | 05/16/2006 |
| 6964727 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system comprising (a) at least one coke drum having an orifice therein; (b) a de-header valve removably coupled to the coke drum designed to de-head the coke drum; and (c) an exchange system, including an upper a... | 11/15/2005 |
| 6264797 | Method for improving longevity of equipment for opening large, high temperature containers A method is provided for cooling coke drum deheading devices, thereby extending the life of same. The method calls for spraying water or other coolant on the devices when they are in operation.... | 07/24/2001 |
| 6193837 | Preparation of brightness stabilization agent for lignin containing pulp from biomass pyrolysis oils A process for producing a brightness stabilization mixture of water-soluble organic compounds from biomass pyrolysis oils comprising: a) size-reducing biomass material and pyrolyzing the size-reduced biomass material in a fluidized bed reactor; b) separating a... | 02/27/2001 |
| 6143137 | Cooling pocket for a rotary drum cooler having a flexible vent pipe assembly A rotary drum cooler for cooling particulate material (e.g. coke particles) having at least one cooling pocket which, in turn, includes a flexible vent pipe assembly which can slide in relation to the shell of the cooler. By making the vent pipe slidable,... | 11/07/2000 |
| 6077399 | Method for producing uniform quality coke The present invention deals with a method to produce uniform quality coke for a blast furnace by quenching coke at a pre-determined rate to produce coke with essentially uniform moisture; further, this invention possesses specific features to produce coke... | 06/20/2000 |
| 5968320 | Non-recovery coke oven gas combustion system A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension pipes connected to a collector main. Flushing liquor is spray... | 10/19/1999 |
| 5932089 | Petroleum coker cooling method with minimum coke drum stress A method is provided for cooling prior to decoking a petroleum coke drum having a substantially solidified mass of petroleum coke by initiating the injection of water into the coke drum while the average temperature of the coke within the coke drum is gre... | 08/03/1999 |
| 5827403 | Method of designing and manufacturing a delayed coker drum A method of manufacturing a delayed coker drum as used in a refining process to receive coke feedstock as a hot liquid and in which the coke feedstock is cooled and quenched to produce solid coke, the hot liquid causing the drum to initially expand circum... | 10/27/1998 |
| 5804038 | Reduction of metal stresses in delayed coking drums The metal stresses in a delayed coke drum are reduced by externally cooling the coke drum near the junction of the drum shell and the supporting skirt thereof during the quench step. This reduces the metal stresses at the area around the welds of the drum... | 09/08/1998 |
| 5795445 | Method of controlling the quench of coke in a coke drum A method of controlling the rate of quench of coke in a coke drum to reduce deterioration of the coke drum sidewall in which water is admitted into the coke drum filled with hot coke to cool the coke includes the steps of determining the stress imposed on... | 08/18/1998 |
| 5711769 | Process for passivation of reactive coal char A continuous process for treating coal to form stable coal char by passivating the coal and then rehydrating and cooling the product thereof to prevent spontaneous ignition. The process includes the steps of pyrolyzing the coal to vaporize and remove low ... | 01/27/1998 |
| 5628878 | Method of reducing airburning in petroleum coke A method of reducing the airburning tendency of petroleum coke and carbon anodes made therefrom includes calcining the coke and spray quenching the calcined coke with an additive-containing water. The additive includes an effective amount of a compound of... | 05/13/1997 |
| 5622604 | Coke cooling apparatus A rotary coke cooling drum is formed of plural opposed folded plates welded together and having spaced apart openings for receiving an array of tubular cooling pockets which are separately formed and are insertable in the openings to provide heat transfer... | 04/22/1997 |
| 5609730 | Method of operating dry quenching apparatus for hot coke A dry quenching apparatus for hot coke is operated by collecting data on preceding operations. The heat balance is calculated based on the collected data to determine the heat content of the charged hot coke, and an optimal operating schedule is calculate... | 03/11/1997 |
| 5601692 | Process for treating noncaking coal to form passivated char A continuous process for treating a noncaking coal to form stable char. The process includes the sequential steps of drying the coal to remove moisture therefrom and form a dry coal; pyrolyzing the dry coal by progressively heating substantially all of th... | 02/11/1997 |
| 5584970 | Process of producing wood charcoal in a moving bed The biomass, particularly lump wood, is supplied to a shaft reactor at its top and is initially preheated to temperatures of about 150° to 280° C. and dried by a counterflowing hot gas. This is followed by a treatment in an underlying carbonizing zone, ... | 12/17/1996 |
| 5547548 | Pyrolysis process water utilization A method for reducing the undesirable contaminants in process water produced in pyrolysis of low rank coal. The method uses the process water to quench and rehydrate a char produced by pyrolysis with the contaminants in the waster water being absorbed by ... | 08/20/1996 |
| 5376262 | Concentration and/disposal of non-volatile inorganic contaminants from refinery waste water streams Selenium and other non-volatile inorganic contaminants in refinery waste water are removed from said waste water and disposed of by a process comprising subjecting the contaminated waste water stream to a non-chemical concentration process producing a con... | 12/27/1994 |
| 5194069 | Method and apparatus for refinement of organic material A method and an apparatus for the refinement of organic material is disclosed. Converting and processing organic material is achieved with or without organic and inorganic additions. The base material uses waste material, i.e. forest industry waste and sl... | 03/16/1993 |
| 5039379 | Dry cooling of coke A preferred method of dry cooling coke includes the steps of removing the coke from the coke oven, crushing the coke with a crushing device to increase a surface area thereof, transporting the coke after crushing to a dry cooling apparatus, and dry coolin... | 08/13/1991 |
| 4997527 | Coke handling and dry quenching method An improved coke handling and quenching method utilizes a coke box for receiving, cooling and carrying a coke charge from a coke oven in a pollution-free manner and employs a highly maneuverable self-propelled carrier vehicle for transporting and maneuver... | 03/05/1991 |
| 4935099 | Process for making wood charcoal Lump wood is carbonized in a shaft retort, which is flown through by hot rinse gas. The wood is charged to the retort at its top. Wood charcoal is withdrawn from the lower portion of the retort. An exhaust gas which contains gases and vapors produced by c... | 06/19/1990 |
| 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 |
| 4842695 | Arrangement of a dry cooler for coke A dry cooling installation for coke includes an upright cooling shaft having an upper inlet for coke to be cooled and a lower inlet for a recirculating counterstream of cooling gas. Two gas discharge ducts are connected at two opposite points to the cooli... | 06/27/1989 |
| 4832795 | Coke dry cooling chamber The invention relates to a coke dry cooling chamber with vertical outer walls constructed as cooling walls and parallel vertical cooling walls positioned in the cooling chamber, with supporting walls running crosswise to them. Pursuant to the invention, t... | 05/23/1989 |
| 4802573 | Process for wet quenching of coke Wet quenching of coke with low vapor emissions is provided when the quenching vapors are bunkered before delivery to the atmosphere and subsequently or immediately a condensate is drawn off and cooled further. The bunkered vapors are intermittently mixed ... | 02/07/1989 |
| 4792382 | Process for removing dust from dry cooled coke The invention concerns a process for removing dust from coke cooled by a dry method after the coke has left the cooling zone of a cooling chamber, and a device for carrying out the process. A dust-free flushing gas is injected below the cooling zone, pref... | 12/20/1988 |
| 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 |
| 4708196 | Shaft cooler for the dry quenching of coke A shaft cooler for dry quenching of coke includes an inner masonry ring that is an independent structure suspended on the top edge of the outer masonry of the shaft cooler. The weight of the inner masonry ring is carried by stays which bear on the top edg... | 11/24/1987 |
| 4701243 | Method for cooling and dedusting dry cooled coke A method of cooling and dedusting coke after leaving the coke dry cooling system comprises directing the coke at a temperature of approximately 150° to 200° C. into an immersion tank which has a liquid temperature of approximately 100° C., thereafter c... | 10/20/1987 |
| 4668343 | Method for dry cooling red-hot coke A method of dry cooling red-hot coke in a vessel having an antechamber with a small discharge leading to a vertically elongated cooling chamber which is of larger dimension than the discharge and with both the cooling chamber and the antechamber having fl... | 05/26/1987 |
| 4668344 | Method for cooling coke and generating superheated high pressure steam A waste heat boiler system includes a vertically elongated waste heat boiler having an upper portion with a waste gas inlet and a lower portion with an exhaust line connection which in addition to its vapor generating tubes includes evaporator tube nests ... | 05/26/1987 |
| 4664750 | Method for coke quenching control Hot coke 3 expelled from a coking chamber is conveyed in a quenching car 2 to a quenching tower 4 past an infra-red detector 6 which provides a signal to initiate supply of the quenching water. It is a problem to control the amount of quenching water supp... | 05/12/1987 |
| 4662895 | Method of cooling and gasifying retort coal A method and apparatus of cooling retort coke is disclosed which provides for cooling hot coke from a coking chamber by direct heat exchange with fine-grained material, preferably coal, and the subsequent separation of the fine-grained material from lump ... | 05/05/1987 |
| 4647341 | Dry coke cooling plant A dry coke cooling apparatus comprises an antechamber with a bottom hole for charging coke into a cooling chamber which accommodates vertical outer cooling walls and inner cooling walls which extend within the coke charge. The lower part accommodates coke... | 03/03/1987 |
