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| Number | Title | Issue Date |
| 7393435 | Injection charging system in delayed coking drums Described is an injection charging system in delayed coking drums (11), comprised of at least two injection pipes (11a) connected to the sidewall of a coking drum (1) in its tricone portion, and fed by a circular distributor crown, in ord... | 07/01/2008 |
| 7381309 | Apparatus for prewashing a hydrocarbon stream containing hydrogen sulfide Disclosed is an apparatus for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic prepares the hydrocarbon stream for extraction. Spent alkali is contin... | 06/03/2008 |
| 7364219 | Swing and slide door A door (6), for example in a vehicle, is mounted at one edge (8) for acurate movement about the axis of a shaft (16), and at the other edge (10) for displacement substantially in the plane of the door opening along rails (26, 28). ... | 04/29/2008 |
| 7118654 | Riser base A chimney tray for a column for thermal treatment of a liquid. The chimney tray includes a total take-off of liquid by a drain connection arranged at an edge of the chimney tray, and having one or more drain channels having a gradient in a direction of the drain con... | 10/10/2006 |
| 7115190 | Tangential dispenser and system for use within a delayed coking system The present invention features a tangential injection system for use within a delayed coking system, or any other similar system. The tangential injection system comprises a spool, a tangential dispenser, and a hydro blasting system, wherein the tangential dispenser... | 10/03/2006 |
| 7008514 | Door opening and closing mechanism A durable door opening/closing mechanism that does not require a large space for opening and closing operation such that a door and a main body such as a cab, can be freely designed. To achieve this, the door is supported by links coupled to the cab by joints. One e... | 03/07/2006 |
| 5344527 | Apparatus for disposal of filter media A process for disposing of filter media is provided, which process comprises (a) mixing a filter media with a hydrocarbonaeous mixing stream to form a media-hydrocarbon mixture and (b) feeding said media-hydrocarbon mixture to a coking vessel. Preferred c... | 09/06/1994 |
| 4994149 | Diluent substitution apparatus In a process for the treatment of heavy oil, in which a hydrocarbon diluent is added to the heavy oil stream, part of the diluent is substituted by an LPG liquid stream. The LPG stream is added to the heavy oil stream after removal of light components inc... | 02/19/1991 |
| 4983259 | Overland petroleum processor A mobile petroleum processor or refinery. In particular a petroleum processor or refinery which has been constructed on railroad flatbed cars. The different units that make up the refinery are mounted on individual flat bed railroad cars and connected tog... | 01/08/1991 |
| 4664246 | Apparatus for producing and recovering overbased petroleum sulfonate Apparatus is provided for overbasing a petroleum sulfonate in a multi-vessel reaction system in which a first reactor is a plug flow reactor in which a feedstock is fed in the top of the first reactor with carbon dioxide fed near the bottom of the first r... | 05/12/1987 |
| 4359381 | Asphalt recycling apparatus An apparatus for regenerating used mixtures for road pavement including an asphalt concrete mixture and a cement concrete mixture is provided with a first vibration sieve, conveyer, passage, roof, transferring means, guide means such as a V-shape plate an... | 11/16/1982 |
| 4334605 | Technique for handling and treating heavy waste hydrocarbons An apparatus is provided for handling and treating heavy waste hydrocarbons. The device comprises a pit heater for at least partially liquifying the hydrocarbon waste to render it pumpable. A positive displacement pump has its inlet adjacent the pit heate... | 06/15/1982 |
| 4250017 | Process and apparatus for separating tar from a tar sand mixture A process and apparatus for separating tar from a tar sand mixture. The separating step is by a novel mechanical process avoiding the complication of heating, freezing and the use of solvents. In the process a suitable suspension liquid is added to a tar ... | 02/10/1981 |
