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Class Information
Number: 210/257.1
Name: Liquid purification or separation > Serially connected distinct treating with or without storage units > With storage unit
Description: Apparatus in which at least one of the units merely holds liquid.










Sub-classes under this class:

Class Number Class Name Patents
210/257.2 Having membrane 636


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8709260 (4932 Apr. 29, 2014
8702977 Water distribution system Apr. 22, 2014
8691097 Solids removal system and method Apr. 8, 2014
8685244 Dialysis machine Apr. 1, 2014
8663465 Continuously supplied water filtration banks Mar. 4, 2014
8658043 Water treatment system and method Feb. 25, 2014
8647502 Sewage treatment apparatus and sewage reuse system Feb. 11, 2014
8640387 Sports pitch rainwater harvesting systems suitable for use in developing countries Feb. 4, 2014
8631947 Cyclone separator Jan. 21, 2014
8634964 Method for actuating valves for controlling a flow path and machines, especially medical treatment machines Jan. 21, 2014
8623200 Grey water filtering system Jan. 7, 2014
8617388 Sewage reuse system Dec. 31, 2013
8617392 Device and system for filtering blood Dec. 31, 2013
8613855 Waste water treatment apparatus Dec. 24, 2013
8603336 Method and device for transmitting heat between waste water located in a tank and a fluid Dec. 10, 2013
8596469 Cyclone separator Dec. 3, 2013
8591728 Filter unit, fluid refill apparatus, and electronic device test apparatus Nov. 26, 2013
8591740 Method and system for biofouling control of shipboard components Nov. 26, 2013
8585895 Transportable water treatment system and chlorinator Nov. 19, 2013
8580110 Blood treatment apparatus Nov. 12, 2013
8568585 Water distribution system with dual use water treatment unit Oct. 29, 2013
8561220 Keeping sewer drainlines clear with low flush toilets or cisterns Oct. 22, 2013
8557113 Cart and installation for treating biological liquid Oct. 15, 2013
8557114 Water purification apparatus and method for using pressure filter and pore control fiber filter Oct. 15, 2013
8551343 Method and system for utilizing waste energy from a fluid purification system Oct. 8, 2013
8551331 Automatic cooking medium filtering systems and methods Oct. 8, 2013
8545695 Water provisioning system for kitchen Oct. 1, 2013
8540875 System for use in a dialysis apparatus Sep. 24, 2013
8540879 Steam-sterilizable blood separating device Sep. 24, 2013
8529760 Optical separator and method for separating particles suspended in a fluid Sep. 10, 2013
8518246 Device for monitoring water for microbial germs Aug. 27, 2013
8512565 Solid-liquid separator with self-priming pump Aug. 20, 2013
8496810 Rainwater collection, storage, and distribution system Jul. 30, 2013
8496815 Iodine recovery systems Jul. 30, 2013
8486265 Stackable modular ultra pure water machine Jul. 16, 2013
8480895 Vacuum base and related methods and apparatus for vacuum filtration Jul. 9, 2013
8460544 Supply device for dialysis apparatuses Jun. 11, 2013
8443985 Liquid supplying member, negative pressure unit, and liquid discharging apparatus May. 21, 2013
8419949 Method and device for separating fossil and native organic substances Apr. 16, 2013
8414768 Citrate-based dialysate chemical formulations Apr. 9, 2013
8398852 Drainless reverse osmosis water purification system Mar. 19, 2013
8398859 Haemodialfiltration method and apparatus Mar. 19, 2013
8394270 Fluid treatment and method and use of same Mar. 12, 2013
8388833 System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system Mar. 5, 2013
8349174 Portable power dialysis machine Jan. 8, 2013
8349176 Modular integrated water-purifying device Jan. 8, 2013
8337704 Manipulation of magnetic microparticles in a high pressure liquid system and extraction process Dec. 25, 2012
8337705 Manipulation of magnetic microparticles in a high pressure liquid system and extraction process Dec. 25, 2012
8298415 Wastewater treatment ship Oct. 30, 2012
8292088 Water supply system with filtration and retrofit assembly Oct. 23, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
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