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| Number | Title | Issue Date |
| 7438786 | Coke drum discharge system An apparatus including a coke drum for coking hydrocarbon substances, a valve disposed near the bottom of the coke drum, and a discharge conduit for removing coke from the coke drum, wherein the discharge conduit is connected to the valve such that when the valve is... | 10/21/2008 |
| 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 |
| 7247220 | Coke drum discharge system An apparatus including a coke drum for coking hydrocarbon substances, a valve disposed near the bottom of the coke drum, and a discharge conduit for removing coke from the coke drum, wherein the discharge conduit is connected to the valve such that when the valve is... | 07/24/2007 |
| 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 |
| 7169266 | Low headroom coke drum unheading 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 which reduc... | 01/30/2007 |
| 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 |
| 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 |
| 6989081 | Valve system and method for unheading a coke drum The present invention features systems and methods for de-heading a coke drum without having to physically remove the head units. This is accomplished using a de-header valves that may be removably coupled to a coke drum. The de-header valve is equipped with, a valv... | 01/24/2006 |
| 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 |
| 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 |
| 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 |
| 6808602 | Coke drum bottom head removal system A coke drum bottom head removal system and method for deheading the bottom head cover of a coke drum comprises a carriage that is positionable beneath the bottom head cover, and a cart mounted to the carriage. Several clamps vertically mounted to the cart are positi... | 10/26/2004 |
| 6751852 | Modular pressure vessel unheading and containment system An unheading and containment system for unheading and heading a pressure vessel includes an unheading apparatus for removing a cover from a pressure vessel in an unheading operation and a modular enclosure, mechanism to substantially enclose the cover during the unh... | 06/22/2004 |
| 6660131 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system that provides unique advantages over prior art de-heading systems, namely the de-heading of a coke drum without having to physically remove the head units. This is essentially accomplished using... | 12/09/2003 |
| 6565714 | 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... | 05/20/2003 |
| 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 |
| 5947674 | Coking vessel unheading device and support structure An unheading device for removable attachment onto a lower flanged opening of a vertically-oriented vessel such as a coking drum, the unheading device being controllably supported by multiple elongated vertically-extendable actuators such as hydraulic cyli... | 09/07/1999 |
| 5876568 | Safe and semi-automatic removal of heavy drum closures In a coke drum an outlet arrangement is provided which allows removal of the coke from the drum without endangering the health or safety of workers heading or unheading the coke drum. Instead of using a manually removable bottom flange for the drum, a sem... | 03/02/1999 |
| 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 |
| 5581864 | Coke drum deheading system An apparatus and method enabling safe removeal of the drum head of a coking drum. The invention provides an apparatus remotely placing a carriage under the drum head and the carriage is adapted to remotely engage the drum head, tightly support the head ag... | 12/10/1996 |
| 5336375 | Delayed coker drumhead handling apparatus A delayed coker drumhead handling apparatus, which includes remotely operable trammel pivot apparatus to open and close the coke drum by moving the drumhead downwardly and laterally, such that the apparatus is especially suitable for use in areas of restr... | 08/09/1994 |
| 5205910 | Distillation chamber for extracting dry-cleaning solvent from sludge Distillation chamber for extracting solvent from sludge, in particular for dry-cleaning machines, having a bottom shaped like a half-cylinder with a horizontal axis. The bottom is provided, in a downward position, at one end, with an outlet for extracting... | 04/27/1993 |
| 5098524 | Coke drum unheading device A coke drum unheading device having an actuator system operable from a location remote from a drum outlet. The actuator is adapted to move a drumhead between closed and open positions and to retain the drumhead in a closed position under load.... | 03/24/1992 |
| 4960358 | Bottom-unheading device and method for vertical vessels A bottom unheading device adapted for unheading vertical vessels such as coking drums. The unheading device includes a cover unit adapted for attachment to a lower flange of a coking drum and which is fastened by a plurality of swing bolts which are disco... | 10/02/1990 |
| 4820384 | Remotely operable vessel cover positioner This is an apparatus for attaching a removable cover to a large vessel. It is adaptable to existing vessels, especially those which have a mounting rim or flange. It uses multiple connector pins which are attached permanently to the vessel and which can b... | 04/11/1989 |
| 4726109 | Unheading device and method for coking drums A device for remotely unheading delayed coking drums and method for remotely operating the device. The device includes a head unit for attachment to a lower flange of a coking drum and fastening means by which a plurality of swing bolts are disconnected b... | 02/23/1988 |
| 4600476 | Apparatus for aboveground separation, vaporization and recovery of oil from oil shale A retort apparatus for recovering oil from crushed oil shale moved through an elongated housing, includes a plurality of heat exchangers located in the housing for transferring heat to or from the shale. The heat exchangers are spaced to define in sequenc... | 07/15/1986 |
