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Class D23/207 - Treatment


Subclass of Class D23 - Environmental heating and cooling; fluid handling and sanitary equipment
No. of patents: 131
Last issue date: 02/14/2012


1        
NumberTitleIssue Date
D654145Water purification
02/14/2012
D652891Water softener
01/24/2012
D652481Water collecting case for membrane module
01/17/2012
D652480Membrane module for membrane separation
01/17/2012
D652103Membrane cassette for membrane separation
01/10/2012
D651686Water purification and dispensing system
01/03/2012
D651685Triangular remote indicator for a water softener
01/03/2012
D651279Portable water purification and dispensing system
12/27/2011
D650885Water purification vessel
12/20/2011
D650886Water purification cartridge
12/20/2011
D650466Bubble promoter for a cross-flow tray
12/13/2011
D648821Moving bed biofilm reactor media
11/15/2011
D647593Water purifier
10/25/2011
D647172Water treatment unit
10/18/2011
D647171Water treatment unit
10/18/2011
D645116Moving bed biofilm reactor media
09/13/2011
D644711Biofeeder
09/06/2011
D644712Water purifier
09/06/2011
D643507Water purifier for tap faucet
08/16/2011
D643506Water treatment system
08/16/2011
D641065Water cooler for a water purifier in a sink
07/05/2011
D639898Ionizer
06/14/2011
D638909Water purifier
05/31/2011
D638908Triangular brine tank for a water softener
05/31/2011
D638513Water purifier
05/24/2011
D638512Triangular resin tank for a water softener
05/24/2011
D637689Water purifier
05/10/2011
D636841Ionizer
04/26/2011
D636840Ionizer
04/26/2011
D634397Water treatment device
03/15/2011
D630294Corrugated leaching chamber
01/04/2011
D626621Water treatment device
11/02/2010
D625772Water treatment cartridge
10/19/2010
D624153Personal purification device
09/21/2010
D622347Magnetic separator for water systems
08/24/2010
D619201Device for biological purification of waste water
07/06/2010
D618760Extruded media for supporting growth biology within a wastewater treating system
06/29/2010
D618301Ion water purifier
06/22/2010
D614727Water cleaner
04/27/2010
D613819Stormwater chamber
04/13/2010
1        
 
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