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Class Information
Number: 210/185
Name: Liquid purification or separation > With heater or heat exchanger > For filter > Imbedded or between filter media
Description: Apparatus in which the heat exchanger is embedded in the filter medium or is sandwiched between filter media.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451769 |
Purification unit |
Nov. 18, 2008 |
| 6974537 |
Diesel fuel purifier |
Dec. 13, 2005 |
| 6769765 |
Filter with integral heating element |
Aug. 3, 2004 |
| 6632352 |
Multi-stage filter |
Oct. 14, 2003 |
| 6517711 |
Waste treatment system |
Feb. 11, 2003 |
| 6387282 |
Method of drying a filter cake and a press for carrying out the method |
May. 14, 2002 |
| 6199542 |
Fuel treatment apparatus |
Mar. 13, 2001 |
| 6180002 |
Filter press with alternating diaphragm squeeze chamber plates and filtration chamber plates |
Jan. 30, 2001 |
| 6063272 |
Apparatus and method of regenerating an activated carbon filter |
May. 16, 2000 |
| 5988265 |
Fuel cooler and coolant filter assembly |
Nov. 23, 1999 |
| 5858248 |
On premise water treatment method for use in a post-mix beverage dispenser |
Jan. 12, 1999 |
| 5753106 |
Method of, and apparatus for, and irradiation unit for oxidative photopurification |
May. 19, 1998 |
| 5753111 |
Photographic processor and improved filter assembly |
May. 19, 1998 |
| 5600954 |
Tractor hydraulic reservoir heating element |
Feb. 11, 1997 |
| 5481876 |
Inlet screen for tractor hydraulic system |
Jan. 9, 1996 |
| 5198123 |
Plate filter press |
Mar. 30, 1993 |
| 5143609 |
Method for dewatering and drying a liquid/solid slurry and an apparatus for using the method |
Sep. 1, 1992 |
| 5089122 |
Device for the separation of fluid mixtures |
Feb. 18, 1992 |
| 5045200 |
Apparatus and method of filtering fatty acids from cooking oil |
Sep. 3, 1991 |
| 4999118 |
Method for dewatering and drying a liquid/solid slurry and an apparatus for using the method |
Mar. 12, 1991 |
| 4988372 |
Method and device for filtering contaminated gases laden with liquid vesicles |
Jan. 29, 1991 |
| 4844796 |
Full water treatment apparatus for use in soft drink dispensing system |
Jul. 4, 1989 |
| 4834876 |
Filtration assembly having integral heating means for maintaining the metallic material being filtered in the molten state |
May. 30, 1989 |
| 4786407 |
Plant for treatment of sediment of natural and waste waters |
Nov. 22, 1988 |
| 4693816 |
Biological filter heating arrangement for treatment of waste water |
Sep. 15, 1987 |
| 4624779 |
Fuel treatment apparatus |
Nov. 25, 1986 |
| 4615801 |
Rotary filtration means in the filth condensation-dehydration apparatus |
Oct. 7, 1986 |
| 4608161 |
Heatable fuel filter for diesel engines |
Aug. 26, 1986 |
| 4600825 |
Electrically heated diesel engine fuel conveying system |
Jul. 15, 1986 |
| 4510051 |
Filter designed for the simultaneous filtration and preheating of the fuel |
Apr. 9, 1985 |
| 4351732 |
Dehydration of ethanol |
Sep. 28, 1982 |
| 4264442 |
Liquid traps |
Apr. 28, 1981 |
| 4196075 |
Membrane fluid transfer method and apparatus |
Apr. 1, 1980 |
| 4066550 |
Apparatus for sewage treatment with countercurrent heat transfer means |
Jan. 3, 1978 |
| 3998738 |
Vacuum drying and degassing |
Dec. 21, 1976 |
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