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Class Information
Number: 261/5
Name: Gas and liquid contact apparatus > With liquid separations > Filtering
Description: The separator on the outlet including a filter.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7581716 |
Aeration equipment |
Sep. 1, 2009 |
| 7566398 |
Water filtering device |
Jul. 28, 2009 |
| 7238320 |
Device for oxygenating blood in an extracorporeal circuit |
Jul. 3, 2007 |
| 6869065 |
Vapor cleaner |
Mar. 22, 2005 |
| 6852147 |
Apparatus and method for reduction of gases emitted from a cooling tower |
Feb. 8, 2005 |
| 6638428 |
Method of preventing formation of bubbles during filtration operations |
Oct. 28, 2003 |
| 6579449 |
Carbonated water supply system |
Jun. 17, 2003 |
| 6485613 |
Batch-continuous countercurrent mass transfer process |
Nov. 26, 2002 |
| 6439546 |
Carburetor with fuel vapor control |
Aug. 27, 2002 |
| 6386521 |
Basement water injection/evaporation system |
May. 14, 2002 |
| 6357725 |
Gas/liquid mixing device |
Mar. 19, 2002 |
| 6312597 |
Apparatus for delivering ultra-low particle counts in semiconductor manufacturing |
Nov. 6, 2001 |
| 6237896 |
Portable fan with misting nozzles |
May. 29, 2001 |
| 5957339 |
Water filtration system |
Sep. 28, 1999 |
| 5695651 |
Inlet screen |
Dec. 9, 1997 |
| 5601724 |
Method of aeration of liquids |
Feb. 11, 1997 |
| 5593469 |
Exhaust gas scrubber |
Jan. 14, 1997 |
| 5520854 |
Apparatus and method for preventing the accumulation of bacteria in a humidifier |
May. 28, 1996 |
| 5460731 |
Method of aeration of liquids |
Oct. 24, 1995 |
| 5431858 |
Energy conserving fluid flow distribution system with internal strainer aNd method of use for promoting uniform water distribution |
Jul. 11, 1995 |
| 5407604 |
Humidifier using a neubilizer |
Apr. 18, 1995 |
| 5254168 |
Coating apparatus having opposed atomizing nozzles in a fluid bed column |
Oct. 19, 1993 |
| 5232582 |
Water purifying apparatus having moss-preventing filter and monitored air injection |
Aug. 3, 1993 |
| 5156778 |
Mixing device |
Oct. 20, 1992 |
| 5120435 |
Pre-treatment sewer discharge system |
Jun. 9, 1992 |
| 5096578 |
Vortex breaker for horizontal liquid draw off tray sump |
Mar. 17, 1992 |
| 5071550 |
Appartus for cleaning and aeration of open bodies of water |
Dec. 10, 1991 |
| 4877531 |
Process for treating various refuse materials, particularly smoke, garbage and sewage |
Oct. 31, 1989 |
| 4847203 |
Fermentation vessels |
Jul. 11, 1989 |
| 4660741 |
Water purification system and method for a post-mix beverage dispenser |
Apr. 28, 1987 |
| 4578253 |
Methods of and apparatus for recovering a constituent of a process effluent |
Mar. 25, 1986 |
| 4375976 |
Method and apparatus for recovering particulate matter from gas stream |
Mar. 8, 1983 |
| 4373502 |
Fuel control system |
Feb. 15, 1983 |
| 4353846 |
Filter assembly for evaporative cooler pumps |
Oct. 12, 1982 |
| 4255360 |
Water aerator and method |
Mar. 10, 1981 |
| 4003835 |
Fittings |
Jan. 18, 1977 |
| 3994811 |
Protein skimmer and carbon filtration replaceable unit |
Nov. 30, 1976 |
| 3933638 |
Liquid fuel purification system |
Jan. 20, 1976 |
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