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Class Information
Number: 210/349
Name: Liquid purification or separation > Filter > Pulsation dampener or gas trapping
Description: Apparatus provided with means dampening pulsations in liquid flow or for trapping a gas, usually air.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7481319 |
Filter device with deformable expansion element |
Jan. 27, 2009 |
| 6974369 |
Grinding water tank unit for eyeglass lens processing and eyeglass lens processing apparatus having the same |
Dec. 13, 2005 |
| 6974538 |
Fuel filter for an internal combustion engine |
Dec. 13, 2005 |
| 6955764 |
Method and apparatus for preparing slurry for CMP apparatus |
Oct. 18, 2005 |
| 6935460 |
Noise muffler for oxygen concentrator |
Aug. 30, 2005 |
| 6773670 |
Blood filter having a sensor for active gas removal and methods of use |
Aug. 10, 2004 |
| 6412645 |
Integrated filter and noise suppressor device for a water valve assembly and associated method for operating the same |
Jul. 2, 2002 |
| 6210577 |
Multiple cartridge housing assembly for the high purity filtration of liquids |
Apr. 3, 2001 |
| 6143046 |
Filter cartridge having vibratable diaphragm |
Nov. 7, 2000 |
| 5389245 |
Vapor separating unit for a fuel system |
Feb. 14, 1995 |
| 5167921 |
Liquid and gas separation system |
Dec. 1, 1992 |
| 5158676 |
Chromatography apparatus |
Oct. 27, 1992 |
| 5149428 |
Water filter with extended operational period |
Sep. 22, 1992 |
| 5089119 |
Filter for a vapor compression cycle device |
Feb. 18, 1992 |
| 5084166 |
Fuel filtering device |
Jan. 28, 1992 |
| 5055187 |
Fuel filter incorporated in a fuel tank |
Oct. 8, 1991 |
| 5039486 |
Liquid and gas separation system |
Aug. 13, 1991 |
| 5030345 |
Non-drip and full prime filter |
Jul. 9, 1991 |
| 4975204 |
Method and apparatus for thickening fiber suspension |
Dec. 4, 1990 |
| H773 |
Coalescer filter unit drain device |
May. 1, 1990 |
| 4869823 |
Rotary drum type solid-liquid separation apparatus |
Sep. 26, 1989 |
| 4684444 |
Sorter for paper pulp suspensions including a damping chamber |
Aug. 4, 1987 |
| 4556490 |
Arrangement for feeding of fuel |
Dec. 3, 1985 |
| 4548713 |
Pulse damper |
Oct. 22, 1985 |
| 4529512 |
Hydraulic reservoir |
Jul. 16, 1985 |
| 4428834 |
Fluid filter with integral viscous damper |
Jan. 31, 1984 |
| 4376050 |
Surge devices for liquid-solid separators |
Mar. 8, 1983 |
| 4287917 |
Diaphragm device for damping vibrations in flowing liquids |
Sep. 8, 1981 |
| 4256579 |
Filter for liquids |
Mar. 17, 1981 |
| 4234427 |
Pulse damper |
Nov. 18, 1980 |
| 4196075 |
Membrane fluid transfer method and apparatus |
Apr. 1, 1980 |
| 4156644 |
Pulsating sludge bed with inclined plates |
May. 29, 1979 |
| 4105547 |
Filtering process |
Aug. 8, 1978 |
| 4024061 |
Pulse dampers for liquid chromatography |
May. 17, 1977 |
| 4000070 |
Apparatus for protecting a liquid chromatography column |
Dec. 28, 1976 |
| 3984315 |
Electromagnetic metering pump |
Oct. 5, 1976 |
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