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Class Information
Number: 494/901
Name: Imperforate bowl: centrifugal separators > Involving mixture containing oil
Description: Separating apparatus wherein oil of one kind or another is present in the mixture entering the apparatus.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7549957 |
Screw-type solid bowl centrifuge |
Jun. 23, 2009 |
| 7455783 |
Method for centrifugal separation enhancement |
Nov. 25, 2008 |
| 7410456 |
Method of purifying contaminated oil in a centrifugal separator using a separation aid and starting liquid |
Aug. 12, 2008 |
| 7407474 |
Apparatus for cleaning contaminated oil |
Aug. 5, 2008 |
| 6908423 |
Screw for a solid-bowl centrifuge and a method of extracting oil using the centrifuge |
Jun. 21, 2005 |
| 6860845 |
System and process for separating multi phase mixtures using three phase centrifuge and fuzzy logic |
Mar. 1, 2005 |
| 6652439 |
Disposable rotor shell with integral molded spiral vanes |
Nov. 25, 2003 |
| 6602180 |
Self-driven centrifuge with vane module |
Aug. 5, 2003 |
| 6551230 |
Molded spiral vane and linear component for a centrifuge |
Apr. 22, 2003 |
| 6540653 |
Unitary spiral vane centrifuge module |
Apr. 1, 2003 |
| 6497114 |
Oil separator |
Dec. 24, 2002 |
| 6238329 |
Centrifugal separator for mixed immiscible fluids |
May. 29, 2001 |
| 6156193 |
Centrifugal oil filter with particle retention |
Dec. 5, 2000 |
| 5904836 |
High-vacuum oil refinery system and process |
May. 18, 1999 |
| 5779618 |
Centrifugal separating filter |
Jul. 14, 1998 |
| 5755657 |
Centrifugal oil filter |
May. 26, 1998 |
| 5683342 |
Oil cleaning assemblies for engines |
Nov. 4, 1997 |
| 5651881 |
Fluid recovery assembly |
Jul. 29, 1997 |
| 5624371 |
Self-regulating centrifugal separator |
Apr. 29, 1997 |
| 5484521 |
Rotary drum fluid/liquid separator with energy recovery means |
Jan. 16, 1996 |
| 5423340 |
Apparatus for removing an oil spill on a body of water |
Jun. 13, 1995 |
| 5328440 |
Centrifuge bucket and method of use |
Jul. 12, 1994 |
| 5286379 |
Oil-spill clean up apparatus |
Feb. 15, 1994 |
| 5264124 |
Segmented centrifugal separator scroll housing with removable scroll segments |
Nov. 23, 1993 |
| 5259829 |
Centrifugal separating apparatus |
Nov. 9, 1993 |
| 5195939 |
Three phase centrifugal separator |
Mar. 23, 1993 |
| 5149432 |
Centrifuge for separating liquids of different specific gravities |
Sep. 22, 1992 |
| 5096581 |
Centrifugal oil filter |
Mar. 17, 1992 |
| 4990265 |
Method of dewatering oil mud |
Feb. 5, 1991 |
| 4959158 |
Method for separating disparate components in a fluid stream |
Sep. 25, 1990 |
| 4925597 |
Method for the decontamination of radioactively contaminated liquids |
May. 15, 1990 |
| 4913695 |
Liquid vapor purging system |
Apr. 3, 1990 |
| 4702837 |
Rotary vortex separator for a heterogeneous liquid |
Oct. 27, 1987 |
| 4681705 |
Decontamination of radioactively contaminated liquids |
Jul. 21, 1987 |
| 4591433 |
Automatic controls of water-oil separating system for use with centrifugal type separator |
May. 27, 1986 |
| 4534860 |
Water-oil separating system for use with centrifugal type separator |
Aug. 13, 1985 |
| 4525155 |
Centrifugal separator and method of operating the same |
Jun. 25, 1985 |
| 4492631 |
Centrifugal separator |
Jan. 8, 1985 |
| 4479789 |
Bell-like centrifuge drum for continuously freeing metal turnings of oil |
Oct. 30, 1984 |
| 4362620 |
Partitioned centrifuge |
Dec. 7, 1982 |
| 4350282 |
Self-purging centrifuge |
Sep. 21, 1982 |
| 4346009 |
Centrifugal spin-on filter or separator |
Aug. 24, 1982 |
| 4344561 |
Centrifugal type oil filter for an engine |
Aug. 17, 1982 |
| 4312187 |
Method and apparatus for separating oil from a refrigerant |
Jan. 26, 1982 |
| 4295600 |
Apparatus for the centrifugal separation of at least two liquid phases and one sedimentary phase of a mixture |
Oct. 20, 1981 |
| 4288030 |
Centrifugal separator |
Sep. 8, 1981 |
| 4286971 |
Removal of naphthalene from recirculated wash oil |
Sep. 1, 1981 |
| 4284504 |
Centrifugal spin-on filter or separator and method of making and assembling the same |
Aug. 18, 1981 |
| 4283005 |
Pump and centrifugal separator apparatus |
Aug. 11, 1981 |
| 4283005 |
Pump and centrifugal separator apparatus |
Aug. 11, 1981 |
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