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Class Information
Number: 196/100
Name: Mineral oils: apparatus > Combined vaporizing and condensing > Condensate returned to vaporizer > Columns
Description: Fractionating columns provided with heating means for causing vaporization of the liquid-mineral-oil- feeding stock.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407571 |
Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds |
Aug. 5, 2008 |
| 6702936 |
Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds |
Mar. 9, 2004 |
| 6413378 |
Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification |
Jul. 2, 2002 |
| 6274003 |
Apparatus for upgrading hydrocarbon feeds containing sulfur, metals, and asphaltenes |
Aug. 14, 2001 |
| 6086721 |
Facility for distilling a liquid product |
Jul. 11, 2000 |
| 5980694 |
Apparatus for the purification of water contaminated with oil |
Nov. 9, 1999 |
| 5843384 |
Plant for purifying spent oil |
Dec. 1, 1998 |
| 5811607 |
Composite shingle particle salvage system |
Sep. 22, 1998 |
| 5755933 |
Partitioned distillation column |
May. 26, 1998 |
| 5730002 |
Process and device for fractionating a fluid containing several separable constituents, such as a natural gas |
Mar. 24, 1998 |
| 5722258 |
Apparatus for combined heat and mass transfer |
Mar. 3, 1998 |
| 5718127 |
Liquid vapor contact apparatus |
Feb. 17, 1998 |
| 5645692 |
Process for the stabilization of crude oils at the outlet of the extraction well and device for implementation thereof |
Jul. 8, 1997 |
| 5537840 |
Downflow plate and fin heat exchanger for cryogenic rectification |
Jul. 23, 1996 |
| 5527449 |
Conversion of waste oils, animal fats and vegetable oils |
Jun. 18, 1996 |
| 5507356 |
Column having integrated heat exchanger |
Apr. 16, 1996 |
| 5501079 |
Apparatus and process for cryogenic separation of air and liquid distributor for a mass transfer column |
Mar. 26, 1996 |
| 5438836 |
Downflow plate and fin heat exchanger for cryogenic rectification |
Aug. 8, 1995 |
| 5389242 |
Process for the fractionation of oil and gas on a petroleum deposit effluent |
Feb. 14, 1995 |
| 5362381 |
Method and apparatus for conversion of waste oils |
Nov. 8, 1994 |
| 5339648 |
Distillation system with partitioned column |
Aug. 23, 1994 |
| 5252201 |
Fractionating process and fractionator |
Oct. 12, 1993 |
| 5167773 |
Distillation tower and sidestream stripper therefor |
Dec. 1, 1992 |
| 5034103 |
Distillation column with a draw-off device |
Jul. 23, 1991 |
| 4839108 |
Liquid distribution device and pan |
Jun. 13, 1989 |
| 4752358 |
Apparatus for solvent extraction of tar sands |
Jun. 21, 1988 |
| 4744868 |
Distillation column and method |
May. 17, 1988 |
| 4629534 |
Fractional distillation apparatus and method |
Dec. 16, 1986 |
| 4592830 |
Hydrovisbreaking process for hydrocarbon containing feed streams |
Jun. 3, 1986 |
| 4529381 |
Radiation shield and method for shielding a furnace convection section |
Jul. 16, 1985 |
| 4422901 |
Apparatus for the continuous solvent extraction of bitumen from oil-bearing sand |
Dec. 27, 1983 |
| 4406743 |
Fractionation column for reclaiming used lubricating oil |
Sep. 27, 1983 |
| 4131538 |
Method of separating a predetermined fraction from petroleum oil using multistage evaporators |
Dec. 26, 1978 |
| 3959085 |
Fractionation apparatus having two integral and concentric fractionating units |
May. 25, 1976 |
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