Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7285249 | Apparatus for the provision of a block flange of a manhole aperture or the like, in particular for fluidized bed reactors An apparatus for the provision of a block flange of a manhole aperture or the like, in particular for fluidized bed reactors for the oxychlorination of ethylene, oxygen and HCl, having a wall flange fixed in the reactor wall, is intended to provide a solution whereb... | 10/23/2007 |
| 7189310 | Coke chute systems and methods therefor Improved coke chute systems (100) include a lock (130) that receives and automatically secures a coke-receiving conduit (110) to a coke vessel after the lock (130) is switched to a closed position. Contemplated systems may further be comb... | 03/13/2007 |
| 7033460 | Coke drum bottom throttling valve and system A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to preven... | 04/25/2006 |
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber The invention relates to a device for sealing a leveling door aperture of a coke oven chamber when loading bulk coking coal. The device includes a housing and a leveling door aperture, a leveling arm, composed of at least side panels and cross spacers connecting the... | 07/19/2005 |
| 6843889 | Coke drum bottom throttling valve and system A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to preven... | 01/18/2005 |
| 6793770 | Evaporator The invention concerns an evaporator, especially for the sugar industry, with at least two heat exchangers, into the top of which the medium to be concentrated is loaded and which are heated with steam with different compositions and/or different pressures in a cros... | 09/21/2004 |
| 6332957 | Method and device for producing a coke coal cake for carrying out a coking process in a furnace chamber The aim of the invention is to provide a method and a stamping device which is affiliated with said method. Using known economical stamping techniques, the stamping device permits coke coal cakes which are produced in an edgewise manner to be inserted int... | 12/25/2001 |
| 5925222 | Leveler bar for coke ovens The invention concerns a leveler bar for coke ovens for levelling the coke debris cone forming below the filling holes in the furnace chamber during the filling process. The leveler bar comprises interconnected support elements which extend over the entir... | 07/20/1999 |
| 5871619 | Plug seal discharge system for distillation apparatus A discharge system for a destructive distillation apparatus wherein the discharge solids act as plug to avoid the unwanted flow of product gas or ambient air therethrough while effectively discharging finely divided, disperse solids material from a contin... | 02/16/1999 |
| 5714043 | Liquid seal bulk feeder for destructive distillation A combination liquid seal and spiral auger conveyor feeding system which provides both a liquid seal, effective under normal operating conditions, with a sealed spiral auger conveyor, which is effective to seal against the surge flow of distillation gases... | 02/03/1998 |
| 5460699 | Variable injection process and apparatus for energy recovery A process and apparatus for recovering energy values of waste tar sludge comprises dewatering the waste tar sludge, transporting the dewatered tar sludge in enclosed containers vented through activated carbon to remove volatile hydrocarbons before vapors ... | 10/24/1995 |
| 5384015 | Arrangement for filling coal in oven chambers of a coke oven battery An arrangement for filling coal in oven chambers of a coke oven battery has a telescopable filling tube mountable on a filling car and having a lower end which is lowerable to a filling hole frame of a filling hole of a coke oven battery, an upper sealing... | 01/24/1995 |
| 5096210 | Double face oven seal A double face seal for coke ovens comprising charging and venting tubes having flanges; charging and venting ports having top surfaces; and sealing means attached to the flanges for engaging and sealing the top surfaces during charging and venting of coke... | 03/17/1992 |
| 4988411 | Filling car for a coke oven battery A filling car for filling coal in oven chambers of a coke oven battery comprises a telescopable filling pipe having an upper part and a lower part and a lower end to be lowerable to a filling frame of a filling opening of a coke oven battery, a supporting... | 01/29/1991 |
| 4515660 | Apparatus for removing charging hole covers and for cleaning sealing surfaces in a coke oven Apparatus for removing charging hole covers and for cleaning sealing surfaces is carried by a charging car that is movable along an oven roof of a battery of horizontal coke oven chambers. The apparatus includes a support member carried by guides for vert... | 05/07/1985 |
| 4475989 | Insulating charging hole cover A coke oven charging hole cover which includes a cylindrical wall section and a lower horizontal layer of a cast-in-place castable refractory material which is relatively dense and which contains a random dispersion of fine stainless steel fibers or simil... | 10/09/1984 |
| 4465557 | Gas transferring apparatus in coke oven An apparatus for transferring between chambers of a coke oven charging gases which develop during the charging of the chambers, while preventing the escape of the gases to the surrounding environment, includes first and second covers mounted for movement ... | 08/14/1984 |
| 4456505 | Coking oven with horizontal chambers for producing coke In a coking oven with a horizontal chamber the chamber is provided with a filling hole having a cylindrical portion with the diameter D and a reduced portion downwardly extending therefrom into the chamber over the height H. The ratio between D and Hࣘ1.... | 06/26/1984 |
| 4406619 | Sealing lid means for coke oven chamber In a coke oven of the type having a plurality of filling shafts with openings and caps therefor at the oven roof, in order to reduce the temperature gradient and heat losses at the roof of the coke oven, the caps of the filling shafts are each directly mo... | 09/27/1983 |
| 4390397 | Heat dissipating charging hole cover A coke oven charging hole that dissipates heat emanating from the oven so that the cover resists warping due to overheating. The concentration of large amounts of heat directly above the charging hole is also avoided. A lower concave housing member fits i... | 06/28/1983 |
| 4389284 | Charging hole cover seal A charging hole cover sealing structure in which a disc-shape cover is superimposed over the charging hole and an annulus-shaped charging hole frame. The frame has on its top surface a peripheral medial groove and an inner planar surface. The cover has a ... | 06/21/1983 |
| 4379023 | Charging hole lock for horizontal coke ovens A lock is disclosed for charging holes of horizontal coke ovens and for permitting the charging of moist or preheated coal through charging devices, such as longitudinal conveyors fixedly mounted on the battery, or traveling charging cars, while preventin... | 04/05/1983 |
| 4321112 | Device for opening, closing and cleaning fill holes of coke oven chargeable by a coal conveyor A device for opening, closing and cleaning fill holes of a coke oven comprises a self-supporting carrying frame extending above the fill holes and supporting a runway for an overhead crane and further supports spring-biased bell seals for respective fill ... | 03/23/1982 |
| 4236972 | Fabricated opening cover and cover assembly A cover and cover assembly fabricated from steel plate for selectively covering an opening communicating with a coke oven and cooperable with seal rim sealing surface which surrounds the opening. The cover includes a knife-like sealing edge which engages ... | 12/02/1980 |
| 4033730 | Process and apparatus for feeding particulate solids into a pressure reactor Particulate solids are fed into a pressure reactor operated under a pressure of 5-150 bars by means of a guide cylinder which is secured to the reactor and surrounds the reactor inlet. The guide cylinder is adapted to be closed and a stationary feed condu... | 07/05/1977 |
| 4009081 | Dust arresting apparatus for a coke dry quenching station An apparatus for arresting the generation of dust from a coke dry quenching station comprising a dust collecting hood mounted on a traveling crane for transferring to the coke dry quenching station a coke bucket loaded with coke discharged from a coke ove... | 02/22/1977 |
| 3998705 | Device for controlling the seizure of a cover for the charge opening of a coking furnace A device for seizing and transporting a cover for the charge opening of a coking furnace comprises a seizure magnet carried by a gripping unit and adapted for rotation of the cover back and forth on the cover seat in the charge opening by means of a crank... | 12/21/1976 |
| 3976548 | Apparatus for processing coal and like material Apparatus and methods for processing coal and like material, wherein the material is converted by heat into plastic-like condition and then supplied to a pressurized receiver such as a coal gasification reactor or a synthesis gas generator.... | 08/24/1976 |
| 3951750 | Apparatus for charging preheated coal into coke ovens Charging apparatus is provided for charging preheated coal into a battery of coke oven chambers from a bunker above the battery which has sufficient capacity to contain enough coal to charge at least one oven chamber. Each oven chamber has a plurality of ... | 04/20/1976 |
| 3944472 | Coke oven lid pusher A device for positioning a lid for a coke oven charging port in the charging port. An arm is pivotally mounted on a coal hopper and carries a pusher member shiftably mounted on the bottom thereof. A motor also mounted on the coal hopper is connected to th... | 03/16/1976 |
