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| Number | Title | Issue Date |
| 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 |
| 7108768 | Safety lock boltless closures An apparatus comprises a movable lock ring and a lock arm that prevents inadvertent movement of the lock ring. Contemplated configurations are especially useful in delayed coking vessels to prevent opening of the vessel while the vessel is in operation. ... | 09/19/2006 |
| 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 |
| 6989082 | Hinged bottom cover for unheading a coke drum An apparatus for removing a bottom cover on a coke drum. A support structure supports at least the coke drum. A vertical actuator has a cover end attached to the bottom cover and a support end attached to the support structure, and is arranged to move the bottom cov... | 01/24/2006 |
| 6926807 | Insulated transition spool apparatus An insulated transition spool apparatus for mounting unheading devices to pressure vessels, such as coker vessels, and enabling repetitive operation thereof is disclosed. The apparatus comprises an outer housing, an inner housing that encloses an insulating space be... | 08/09/2005 |
| 6884325 | Sealable lid for vacuum distillation apparatus A sealable lid assembly for a vacuum distillation apparatus has a lid pivotally and telescopically mounted to the vacuum distillation apparatus. Spaced-apart wheels are rotatably mounted to the lid. Tracks are disposed on the vacuum distillation apparatus in a posit... | 04/26/2005 |
| 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 |
| 6264829 | Low headroom coke drum deheading device A coke drum head is hinged to a coke drum body using a compound joint such as a trammel pivot, and the head is moved between open and closed positions using an actuator. In moving between open and closed positions, the head traces out a non-circular path ... | 07/24/2001 |
| 6254733 | Automatic cover removal system A system is disclosed for automatically removing the cover of a chute beneath a coke drum. The system operates in conjunction with a remotely operable coke deheading device so that the chute cover is removed when the coke drum is deheaded. Also disclosed ... | 07/03/2001 |
| 6138682 | Portable put out device for cigarettes A portable put out device for cigarettes includes a heat-durable casing including an ash compartment and a butt compartment. A heat-durable meshy plate is mounted in the ash compartment. An upper lid is pivotally mounted to an open upper end of the casing... | 10/31/2000 |
| 5785843 | Low headroom coke drum deheading device A coke drum head is hinged to a coke drum body using a compound joint such as a trammel pivot, and the head is moved between open and closed positions using an actuator. In moving between open and closed positions, the head traces out a non-circular path ... | 07/28/1998 |
| 5658434 | Coke-oven door assembly A coke-oven door assembly has a rigid door, a mounting block adjacent the door, a door-plug backing plate fixed to the mounting block, and a membrane having a center portion between the backing and mounting blocks and a periphery juxtaposed with a coke-ov... | 08/19/1997 |
| 5167763 | Rotatably-mounted spray dryer A spray dryer which has a tank for receiving batches of differing materials to be spray dried. The tank is rotatable about a horizontal axis. The tank has an open top and a cover which is hinged on an axis perpendicular to the tank axis. The cover carries... | 12/01/1992 |
| 4458095 | Use of zinc and copper (I) salts to reduce sulfur and nitrogen impurities during the pyrolysis of plastic and rubber waste to hydrocarbons An improvement in a process for the pyrolytic conversion of rubber and plastic waste to hydrocarbon products which results in reduced levels of nitrogen and sulfur impurities in these products. The improvement comprises pyrolyzing the waste in the presenc... | 07/03/1984 |
| 4398923 | Vessel access port An improved access port structure for a vessel, such as a coal gassification furnace, in which a closure member is mounted for movement, on the vessel to open or close an opening, a means of providing a steam vortex flowing into the opening to prevent the... | 08/16/1983 |
| 4304637 | Apparatus for continuously separating purified volatile liquid from crude volatile liquid containing non-volatile constituents and dissolved incondensible gas, by the use of mechanical energy The apparatus comprises a container closed to free communication with the atmosphere, and means for maintaining therein a body of crude volatile liquid at a predetermined surface level with an evacuated space thereabove containing a low pressure mixture o... | 12/08/1981 |
| 4230532 | Oven door The oven door comprises a latching mechanism having a centrally located spring contained within a spring box to exert a force against said door. A pair of hinge links are pivotably connected to the door hinge shaft and to the spring box. A shaft link is k... | 10/28/1980 |
