Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7421801 | Method and apparatus freeze-drying chamber loading and unloading devices using charging plates, conveyors, sliders A freeze-drying apparatus has a chamber (3) in which are located superposed charging plates (4) as well as loading and unloading equipment. The chamber has a loading aperture (2) equipped with closing doors (11, 12) through which the char... | 09/09/2008 |
| 6929719 | Leveller bar for coking ovens The invention relates to a levelling bar for coking ovens, for levelling the cones of discharged coal which form under the filling holes of the oven chamber during the filling process. The levelling bar consists of two cheeks, such as plates (1), which extend... | 08/16/2005 |
| 5649800 | Container transfer device A table for the transfer of fragile materials such as containers of freeze dried products, flasks, or the like, has a slide that displaces horizontally on the surface of the table. The table has a marginal section including a plurality of marginal tongues... | 07/22/1997 |
| 4486139 | Pusher ram The invention comprises a plurality of improvements in pusher ram construction for use in coke ovens and the like. These improvements include: (1) two separate "heat spring" arrangements for absorbing both heat and mechanically induced stress in the web p... | 12/04/1984 |
| 4486138 | Pusher ram The invention comprises a plurality of improvements in pusher ram construction for use in coke ovens and the like. These improvements include: (1) two separate "heat spring" arrangements for absorbing both heat and mechanically induced stress in the web p... | 12/04/1984 |
| 4394217 | Apparatus for servicing coke ovens Apparatus for servicing coke ovens has a framework movable along the coke oven battery. A horizontally rotatable and vertically pivotable boom has one end mounted on the gantry and a coke oven work tool on the other. The framework includes a coke quenchin... | 07/19/1983 |
| 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 |
| 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 |
| 4088233 | Device for pushing incandescent coke out of the oven chambers of horizontal coke oven batteries The device for pushing incandescent coke out of individual chambers of a coke oven battery which has a plurality of horizontally arranged coke oven chambers, comprises a trackway of spaced apart inboard and outboard tracks which extend along the length of... | 05/09/1978 |
| 4028192 | Apparatus for receiving incandescent coke from respective coke ovens in a battery and for removing the coke in a closed chamber away from the battery An apparatus for receiving incandescent coke from respective coke ovens of a horizontally arranged battery of coke ovens, comprises a wheeled carriage which is adapted to move backwardly and forwardly along the battery of coke ovens. A coke cake receiving... | 06/07/1977 |
| 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 |
