Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 6602797 | Wafer processing method A wafer processing system occupies minimal floor space by using vertically mounted modules such as reactors, load locks, and cooling stations. Further saving in floor space is achieved by using a loading station which employs rotational motion to move a w... | 08/05/2003 |
| 6585941 | Apparatus and process for filling and emptying a vessel charged with flammable and aggressive gas An apparatus safely fills and empties a pressurized vessel charged with flammable and/or reactive gas. The apparatus features an upper flap combination, an intermediate lock vessel having a flushing apparatus, and a lower flap combination. The present inv... | 07/01/2003 |
| 5799595 | Wet ash remover installation A wet ash remover installation includes a first wet ash remover (5) which is placed in operating position under an ash funnel (2) of a boiler and a second, similar, movable wet ash remover (12) placed in reserve position. The wet ash removers (5, 12) resp... | 09/01/1998 |
| 5785421 | Mobile modular concrete batch plant A batching module for a mobile batching plant includes an open three dimensional frame with first and second end cells defined therein and a third intermediate cell defined between the end cells. A plurality of interchangeable batching apparatus are provi... | 07/28/1998 |
| 5288195 | Incinerator ash dumping container A dumping container for collecting, transporting and dumping primarily ashes removed from an incinerator. A pair of pivoted fore and aft frame members, of hollow box like crossection engage the tines of a manual cable operated hoist. The cable hoist provi... | 02/22/1994 |
| 4749328 | Auxiliary hoist grapple A crane and lift apparatus for controlling the operation of primary hoist and bridge structure, and gantry drive functions of the equipment. There is provided an auxiliary hoist grapple apparatus to unload containers stacked one above another from one loc... | 06/07/1988 |
| 4556459 | Sealing arrangement at coke oven chambers A sealing arrangement at coke oven chambers, for gastightly sealing the junction gaps between a transfer means, such as provided on coke guide cars or at the pushing machine and the coke oven, comprises sealing sheets at the oven side, which in operating ... | 12/03/1985 |
| 4555308 | Gas collecting hood for collecting emissions during coke discharge operations A gas collecting hood for taking off emissions from coke being pushed out of coke oven chambers, travels along with a coke guide alongside the battery. The hood is connected through a gas collecting duct to a stationary exhausting system. The hood is supp... | 11/26/1985 |
| 4394218 | Coke quench car emission control system A coke quench car emission control system includes a coke car and a filter car connected in tandem for joint movement on rails disposed adjacent a coke oven. A hood and recuperator are mounted on a third car disposed on auxiliary rails which extend longit... | 07/19/1983 |
| 4391674 | Coke delivery apparatus and method A coke delivery device 10 includes a swingable chute 16 for guiding coke pushed from a coke oven through a coke rack 12 into a quench car 24. The chute 16 is drivingly interconnected with a moveable fume hood 14 whereby lowering the fume hood over the quench c... | 07/05/1983 |
| 4388153 | Coke spillage removal device A coke oven battery servicing apparatus includes a coke catching and collecting bucket movable from a first position adjacent the oven to a second position clear of the oven and a coke guide cage having an opening therein which is complementary to the buc... | 06/14/1983 |
| 4276123 | Coke oven battery bench cleaning apparatus In a coke oven coke side door machine, a bottom tray is mounted to collect spillage that results from the removal of coke oven doors as well as the residue buildup that is scraped from the door seals and bottom plugs during the door cleaning operation. Tr... | 06/30/1981 |
| 4276121 | Coke oven door spillage collection and disposal apparatus An extendible hopper is mounted to the undercarriage of a pusher machine and is operable to be extended to engage the face of the coke oven battery, between the buckstays and just below the door jamb, to catch hot coke that spills out of coke ovens as the... | 06/30/1981 |
| 4248562 | Coke guide car One cycle of operations for pushing-out of the coke, including door removal, jamb cleaning, coke guidance and reinstallation of the removed door can be conducted on one spot by employment of a common passage system for door extractor, jamb cleaner and cok... | 02/03/1981 |
| 4191531 | Discharge chute assembly for calcining hearth A discharge chute assembly for a rotary calcining hearth in which a carriage movable radially along tracks carries one or more pairs of opposed rollers receiving a flange extending around the hearth. The carriage supports the chute to cause the chute to f... | 03/04/1980 |
| 4166007 | Apparatus for catching coke oven spillage An apparatus for catching coke oven spillage, generally comprised of a hopper movable along the bench floor located on the pusher side of a coke oven battery. The apparatus is positionable along the bench floor adjacent to any one of the ovens which compr... | 08/28/1979 |
| 4113572 | Pollution control system including a one-spot quench-car for coke producing installations A pollutant collection and removal system is provided for use with a horizontally arranged battery of coke ovens. A receptacle having a coke entry opening is positioned in front of the coke guide and receives the total coke pushed from an oven and a hood ... | 09/12/1978 |
| 4053068 | Apparatus for transferring hot coke into a coke quenching car Associated with a coke quenching car, preferably a one-spot car, is a coke guide that carries a distributor trough. The distributor trough is pivotably mounted so that when the coke guide is racked out to transfer coke into the quenching car, the distribu... | 10/11/1977 |
| 4004985 | System for quenching hot coke A quenching track extends alongside of and away from a coke oven battery, and coke receiving apparatus is movable on the track to a remote location at which supporting structure for the coke receiving apparatus is located. Associated with the supporting s... | 01/25/1977 |
| 4003803 | Control system for preventing an excessive temperature rise in a battery of coke ovens The control system includes a controller and a clocking circuit along with a computer for each one of the coke oven chambers. A first control signal is responsive to the occurrence of charging coal into a given oven chamber and starts the clock. A second ... | 01/18/1977 |
| 3951751 | Pollutant collection system for coke oven discharge operation A pollutant collection and exhaust system is provided in a battery of coke ovens for removal of atmospheric pollutants from the gases released at the time of discharge of coke from an oven. A coke guide carriage is provided with an exhaust hood which encl... | 04/20/1976 |
