An apparatus designed to completely vaporize an intake of heavy hydrocarbon feedstock is described. The apparatus, a so-called heavy feed mixer, is comprised of pipes being disposed coaxially about a common longitudinal axis. The inner tubular section delivers a two-phase liquid-vapor mixture of hydrocarbon feedstock and dilution steam to the apparatus. The converging/diverging tubular section …

Legal parties

Inventors (applicants): Yong Wang, William Arthur Larson, Kenneth Jack Fewel, Jr., George E. Dabney, Jr., John R. Murphey, III
Assignees (initial): Stone & Webster Process Technology, Inc. (Houston, US)
Agents: Alan B. Clement (attorney), Peter J. Fallon (attorney), Locke Lord LLP (attorney)

The application was examined by Randy Boyer (USPTO dept. 1771)


  • 1. An apparatus for the vaporization of a hydrocarbon feed mixture with steam, said apparatus …
  • 2. The apparatus of claim 1 , wherein the steam inlet is located along the length …
  • 3. The apparatus of claim 1 , wherein a tangent to a surface of the converging …

Cited documents


  • Lenglet US 5817226 A, Oct. 1, 1998
  • Chandrasekharan et al. US 6797238 B2, Sep. 1, 2004
  • Spicer US 7090765 B2, Aug. 1, 2006
  • Stell US 7351872 B2, Apr. 1, 2008
  • Lasecki et al. US 5042847 A, Aug. 1, 1991
  • Wirth et al. US 3617493 A, Nov. 1, 1971
  • Ngan et al. US 6632351 B1, Oct. 1, 2003
  • Hunt et al. US 5013612 A, May. 1, 1991
  • Gandman US 6228253 B1, May. 1, 2001
  • Orihashi US 4673486 A, Jun. 1, 1987
  • Stell US 7358413 B2, Apr. 1, 2008
  • Grondman US 4498629 A, Feb. 1, 1985
  • Tucker et al. US 2008/0131723 A1, Jun. 1, 2008
  • Stell US 7312371 B2, Dec. 1, 2007
  • Brown et al. US 2004/0147794 A1, Jul. 1, 2004
  • Beattie US 7297833 B2, Nov. 1, 2007
  • Ito et al. US 4723862 A, Feb. 1, 1988
  • Yoshida US 5580443 A, Dec. 1, 1996
  • Chandrasekharan et al. US 2005/0014986 A1 / 585/648, Jan. 1, 2005
  • Miglin et al. US 2006/0248800 A1, Nov. 1, 2006
  • Baumgartner US 2007/0232845 A1, Oct. 1, 2007
  • Dockus US 4602731 A, Jul. 1, 1986
  • Fernandez-Baujin et al. US 5190634 A, Mar. 1, 1993
  • Stein et al. US 2008/0251419 A1, Oct. 1, 2008
  • Stell US 7247765 B2, Jul. 1, 2007
  • Stell et al. US 7311746 B2, Dec. 1, 2007


Brief Description of the Drawings

FIG. 1 is a cross-sectional schematic of the heavy feed mixer, which shows the overall shape and arrangement of the upstream inlet section, converging/diverging tubular section, elongated shell and outlet …


Background of the Invention

I. Field of the Invention This invention relates generally to an apparatus and process for vaporizing heavy hydrocarbon feedstock. In particular, the present invention relates to an apparatus and process …

Detailed Description of the Invention

The above and other objectives of the invention will become more apparent from the following description and illustrative embodiments, which are described in detail with reference to the accompanying drawing. …

More details about Heavy Feed Mixer

Miscellaneous patent data

The applicant's last name is Larson, and his first name is William Arthur, the applicant's location - Houston, TX, the application was examined by Randy Boyer (1771 USPTO department), the grant date is Jul. 30, 2013 (publication date), the application number is 12/638,078 (U.S.), 4 figures depict the invention details, the application publication date is Dec. 15, 2009, the grant number is 08496786 (publication number), the published agent's name is Alan B. Clement, the assignee is a United States company, the invention description is illustrated by 4 drawings, originally classified under Tubular, the known inventor's name is Fewel, Jr. Kenneth Jack, the inventor's address - Houston, TX, developed by George E. Dabney, Jr. et al., the claim number 1 is selected as exemplary, located in Houston (US), the assignee company is Stone & Webster Process Technology, Inc., the protection scope is defined by 9 claims, similar categories include Baffles, centrifugal force, Cyclic circulation, Electric, Dephlegmators or fractionating columns, Halogenated hydrocarbons, Attachments, Recovery of petroleum waxes from hydrocarbon oils, De-waxing of hydrocarbon oils, electric means or by electromagnetic or mechanical vibrations, in combination with chromium, molybdenum, or tungsten metals, or compounds thereof, the patent grant was extended by 823 days, the exemplary patent drawings are Heavy Feed Mixer, heavy feed mixer with identifying, Cross-sectional schematic of the heavy, Cross-sectional schematic of the heavy, particularly claims an apparatus for the vaporization of a hydrocarbon feed mixture with steam, said…, the invention is named Heavy Feed Mixer.

Invention classification information

The invention is classified under Tubular, Apparatus. The designated search classifications include Tubular.

Patent details
Publication number 08496786
Publication date Jul. 30, 2013
Kind code B2
Application number 12/638,078
Application date Dec. 15, 2009
Application type U
Application series code 12
Extension term 823
National classification 196/110
Total number of claims 9
Exemplary claims 1
Number of drawings 4
Number of figures 4
Quick navigation
More similar inventions

Treatment of Hydrocarbon Fluids With Ozone (US08728281, May 20, 2014 / 13/445,418, April 12, 2012, Combined Vaporizing and Condensing), Catalin Ivan et al. / M-I L.L.C. (Houston, US)

Multi-Stage Sulfur Removal System and Process for a Fuel System (US08702910, April 22, 2014 / 12/323,191, Nov. 25, 2008, Refining), Kandaswamy Duraiswamy et al. / Intelligent Energy, Inc. (San Jose, US)

Apparatus and Process for Wet Crushing Oil Sand (US08535485, Sept. 17, 2013 / 12/614,994, Nov. 9, 2009, Miscellaneous), Michael Carniato et al. / Syncrude Canada Ltd. (Fort McMurray, CA)

Also viewed with this patent

Apparatus for Removing Heavy Polynuclear Aromatic Compounds From a Hydroprocessed Stream (US08852404, Oct. 7, 2014 / 12/967,792, Dec. 14, 2010, Columns), Daniel J. Breitenfeldt et al. / UOP LLC (Des Plaines, US)

Intertwined Tube Coil Arrangement for a Delayed Coker Heater (US08771475, July 8, 2014 / 12/622,062, Nov. 19, 2009, Furnaces and flues), Robert L. Gibson et al. / Great Southern Independent LLC (Broken Arrow, US)

Crude Treatment System (US08771474, July 8, 2014 / 12/927,887, Nov. 29, 2010, Columns), Naoaki Sawai / JGC Corporation (Tokyo, JP)

New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot