| |
 |
|
Class Information
Number: 494/35
Name: Imperforate bowl: centrifugal separators > Bowl and means external thereof for recirculating material
Description: Apparatus wherein a receptacle-like member is provided with means, located at least in part outside thereof, for conducting material away from the member and subsequently returning all or a part of that material to the member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7527587 |
Centrifugal separator and method for separating heavy and light matter in a substance |
May. 5, 2009 |
| 7241392 |
Rotary separator and method |
Jul. 10, 2007 |
| 6814862 |
Method and apparatus for processing intra or postoperative blood loss for autotransfusion |
Nov. 9, 2004 |
| 6613009 |
Extracorporeal blood processing methods and apparatus |
Sep. 2, 2003 |
| 6544162 |
Semi-continuous, small volume centrifugal blood separator and method of using therefor |
Apr. 8, 2003 |
| 6234989 |
Extracorporeal blood processing methods and apparatus |
May. 22, 2001 |
| 5899844 |
Method of controlling the density of the solids separated from a feed slurry in a separator |
May. 4, 1999 |
| 5865785 |
Systems and methods for on line finishing of cellular blood products like platelets harvested for therapeutic purposes |
Feb. 2, 1999 |
| 5795317 |
Extracorporeal blood processing methods and apparatus |
Aug. 18, 1998 |
| 5738784 |
Device for separating a blood component from blood or plasma |
Apr. 14, 1998 |
| 5607579 |
Apheresis apparatus for separating an intermediate density component from whole blood |
Mar. 4, 1997 |
| 5601523 |
Method of separating intermixed materials of different specific gravity with substantially intermixed discharge of fines |
Feb. 11, 1997 |
| 5487720 |
Particle concentrator |
Jan. 30, 1996 |
| 5484282 |
Centrifuge separator for separating a mixture of waste solid and waste liquid |
Jan. 16, 1996 |
| 5368542 |
Apparatus and method for separating microscopic units in a substantially continuous density gradient solution |
Nov. 29, 1994 |
| 5316540 |
Apparatus and method for separating microscopic units in a substantially continuous density gradient solution |
May. 31, 1994 |
| 5300014 |
Underflow control for nozzle centrifuges |
Apr. 5, 1994 |
| 5300013 |
Double centrifuge for highly viscous material |
Apr. 5, 1994 |
| 5267936 |
Multi-stage centrifugal extractors for separating liquids of differing densities wherein recycling of portions of the separated liquids occurs at each stage |
Dec. 7, 1993 |
| 5254075 |
Internal circulation type centrifugal extractor |
Oct. 19, 1993 |
| 5199938 |
Centrifuge drum for concentrating suspended solids |
Apr. 6, 1993 |
| 5141486 |
Washing cells |
Aug. 25, 1992 |
| 5053127 |
Continuous centrifugation system and method for directly deriving intermediate density material from a suspension |
Oct. 1, 1991 |
| 4973299 |
Separation |
Nov. 27, 1990 |
| 4944883 |
Continuous centrifugation system and method for directly deriving intermediate density material from a suspension |
Jul. 31, 1990 |
| 4925441 |
Centrifugal contactor modified for end stage operation in a multistage system |
May. 15, 1990 |
| 4913695 |
Liquid vapor purging system |
Apr. 3, 1990 |
| 4820256 |
Centrifugal separator |
Apr. 11, 1989 |
| 4800138 |
Separation of gaseous hydrogen from a water-hydrogen mixture in a fuel cell power system operating in a weightless environment |
Jan. 24, 1989 |
| 4781671 |
System for classification of particulate materials |
Nov. 1, 1988 |
| 4773992 |
Centrifuge system for removing impurities from metal working coolant |
Sep. 27, 1988 |
| 4761157 |
Centrifuge apparatus |
Aug. 2, 1988 |
| 4759744 |
Centrifugal separator with recirculation of separated sludge |
Jul. 26, 1988 |
| 4708709 |
Method and apparatus for the infinitely variable setting of the tails U.sup . |
Nov. 24, 1987 |
| 4647279 |
Centrifugal separator |
Mar. 3, 1987 |
| 4643709 |
Method of operating nozzle centrifuges |
Feb. 17, 1987 |
| 4594166 |
Desludging device for centrifuges |
Jun. 10, 1986 |
| 4505697 |
Underflow concentration control for nozzle centrifuges |
Mar. 19, 1985 |
| 4475897 |
Method of and apparatus for optimizing the clarified phase and concentration of solids in a continuous solids-discharge centrifuge |
Oct. 9, 1984 |
| 4464167 |
Pheresis apparatus |
Aug. 7, 1984 |
| 4416654 |
Pheresis apparatus |
Nov. 22, 1983 |
| 4298159 |
Solid sleeve worm centrifuge |
Nov. 3, 1981 |
| 4297225 |
Recycling centrifuge for the reduction of viscosity and gel strength of drilling fluids |
Oct. 27, 1981 |
| 4286748 |
Centrifugal concentrator |
Sep. 1, 1981 |
| 4278200 |
Continuously operating centrifugal separator drum for the concentration of suspended solids |
Jul. 14, 1981 |
| 4228950 |
Horizontal flow-through coil planet centrifuge |
Oct. 21, 1980 |
| 4187979 |
Method and system for fractionating a quantity of blood into the components thereof |
Feb. 12, 1980 |
| 4185629 |
Method and apparatus for processing blood |
Jan. 29, 1980 |
| 4170328 |
Desalination by the inverse function of the known (salting-out) effect within an improved centrifuge |
Oct. 9, 1979 |
| 4170457 |
Air separator method and apparatus |
Oct. 9, 1979 |
|
|
|
