Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 210/88
Name: Liquid purification or separation > With alarm, indicator, register, recorder, signal or inspection means > Responsive to fluid flow > Meter-controlled cyclic systems
Description: Apparatus in which a meter controls an operating cycle of the apparatus.

Sub-classes under this class:

Class Number Class Name Patents
210/89 With time control 40

Patents under this class:

Patent Number Title Of Patent Date Issued
8702979 Method for determining the reduction ratio or the Kt/V value of a kidney substitution treatment and apparatus for the realisation of the method Apr. 22, 2014
8404117 System for controlling water in an aquatic facility Mar. 26, 2013
8221616 Control valve assembly Jul. 17, 2012
8177966 UV liquid storage and dispensing device May. 15, 2012
8173027 Method of separating a composite liquid into at least two components May. 8, 2012
7892419 Device and method for treating water Feb. 22, 2011
7722772 Ion exchange apparatus and method of controlling the same May. 25, 2010
7476311 Arsenic removal from aqueous media using chemically treated zeolite materials Jan. 13, 2009
7267658 Renal replacement therapy device for controlling fluid balance of treated patient Sep. 11, 2007
7144500 Variable speed waste removal system Dec. 5, 2006
6916424 Method and apparatus for a hemodiafiltration delivery module Jul. 12, 2005
6596174 Diesel fuel cleaning and re-circulation system Jul. 22, 2003
6397687 Water usage monitor and regulator Jun. 4, 2002
6361518 Extracorporeal blood processing methods and apparatus Mar. 26, 2002
6355177 Water filter cartridge replacement system for a refrigerator Mar. 12, 2002
6287457 Water treatment device having volumeter driven monitoring discs Sep. 11, 2001
6001249 Multi-stage water filter system Dec. 14, 1999
5928504 Faucet-mounted water treatment device Jul. 27, 1999
5925240 Water treatment system having dosing control Jul. 20, 1999
5667670 Wastewater effluent management system using a sand filter Sep. 16, 1997
5622618 Apparatus for monitoring cumulative flow of fluid through a filter medium Apr. 22, 1997
5527451 Water treatment device with volume totalization valve Jun. 18, 1996
5525214 Filter cartridge for water treatment device Jun. 11, 1996
5522998 Hemodialysis apparatus having a single balance chamber and method of dialyzing blood therewith Jun. 4, 1996
5300230 Comprehensive water treatment system Apr. 5, 1994
5200090 Multiple fluid source isolation, metering and alarm system and method Apr. 6, 1993
5065901 Apparatus for monitoring a flow of fluid through a filter medium Nov. 19, 1991
5050772 Apparatus for monitoring a flow of fluid through a filter medium Sep. 24, 1991
5022994 Fluid treatment system Jun. 11, 1991
4935151 Process and apparatus for degassing and filtering liquids Jun. 19, 1990
4769135 Automatic metering system Sep. 6, 1988
4721564 Apparatus for the filtration of plasma from blood Jan. 26, 1988
4693814 Water treatment apparatus Sep. 15, 1987
4681677 Water processor having automatic shutoff and bypass means Jul. 21, 1987
4539106 System and apparatus for water conditioning Sep. 3, 1985
4298025 Control valve for water softeners Nov. 3, 1981
4234425 Fluoridation system Nov. 18, 1980

  Recently Added Patents
Methods and apparatus for clock signal synchronization in a configuration of series connected semiconductor devices
Methods of producing the membranes and the uses of membranes as battery separator films
Graphical communication user interface with graphical position user input mechanism for selecting a display image
Austenitic stainless steel welding wire and welding structure
Changing sound alerts during a messaging session
Lighting control device and lighting control method
Reducing voltage stress in a flyback converter design
  Randomly Featured Patents
System and method for managing a communication network utilizing state-based polling
Marine fender
Gas cleaning device for controlling air pollution from the charging ports of a by-product coke oven and for obtaining superior quality by-products
Light scattering and guiding light source device and liquid crystal display
Gas turbine engine combustion equipment
Logic circuit
Escape device
Phosphoric acid metal compound-containing pearl pigment
Rendering apparatus and method
Constant speed traveling apparatus for vehicle with inter-vehicle distance adjustment function