Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 210/300
Name: Liquid purification or separation > Diverse distinct separators > Including a filter > Including constituent trapping feature > Alternate filters and traps in series
Description: Apparatus in which the liquid is passed through (1) at least two filter media, a constituent trap being positioned therebetween, or (2) at least two constituent traps with a filter medium therebetween.


Sub-classes under this class:

Class Number Class Name Patents
210/301 Plural traps 20


Patents under this class:

Patent Number Title Of Patent Date Issued
7429324 Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus Sep. 30, 2008
7094344 Filter device Aug. 22, 2006
6994783 Water pollution trap with inlet basket Feb. 7, 2006
6877333 Filter assembly for gravity-assisted air conditioner discharge water saver systems Apr. 12, 2005
6797161 Multi-stage water pollution trap Sep. 28, 2004
6758982 Integrated debris management method Jul. 6, 2004
6641730 Integrated debris management system Nov. 4, 2003
6616834 Wastewater processor Sep. 9, 2003
6550264 Air conditioner discharge water saver system Apr. 22, 2003
6406620 Rainwater filters and gullies Jun. 18, 2002
6338796 Filter Jan. 15, 2002
6096200 Filtering apparatus Aug. 1, 2000
6001242 Apparatus and method for high volume pipeline water filtration Dec. 14, 1999
5653880 Device for separating and filtering particles in a flow of fluid Aug. 5, 1997
5454937 Collant filter and oil coalescer Oct. 3, 1995
5413711 Fuel filter with internal vent May. 9, 1995
5240593 Apparatus for the purification of fluids Aug. 31, 1993
4720341 Water treating in a vertical series coalescing flume Jan. 19, 1988
4623455 Method and device for filtering lubricating oil for a dough divider machine Nov. 18, 1986
4412916 Airless artificial kidney assembly Nov. 1, 1983
4372847 Fuel filter assembly and cartridge Feb. 8, 1983
4358372 Filler tube fuel strainer Nov. 9, 1982
4297219 Temporary stream filtration system Oct. 27, 1981
4265759 Device for separating a mixture May. 5, 1981
4145280 Method and device for separating a mixture Mar. 20, 1979



 
 
  Recently Added Patents
Detecting interactions at biomimetic interfaces with liquid crystals
Circuits to reduce threshold voltage tolerance and skew in multi-threshold voltage applications
Container lid
Just-in-time publishing via a publish/subscribe messaging system using a subscribe-event model
Polymerization process
Methods and apparatus for finding a shared secret without compromising non-shared secrets
Method of making a protein polymer and uses of the polymer
  Randomly Featured Patents
Bottle with tethered top
Roller chain sprockets oriented to minimize strand length variation
Water surface flotage suctioning apparatus
Compounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases
Pressure seal C-Z fold
Mask-programmable ROM cell
Antivibration glove
Removable media host executables
Lavatory
Connector for connecting FFC