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Class Information
Number: 422/277
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Physical type apparatus > Means separating or dissolving a material constituent > Liquid-solid contact means > Side wall of holder perforated > Perforations of holder form inlet for solvent
Description: Apparatus where the apertures of the holder form inlet sites of the solvent.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702995 Controlled release of microbiocides Apr. 22, 2014
8702863 Method for producing phenol-BPA adduct crystals Apr. 22, 2014
8545772 Nanoliter array loading Oct. 1, 2013
8518271 Water treatment feeder device and a water treatment feeder system Aug. 27, 2013
8444929 Adjustable chemical dispenser system May. 21, 2013
8440075 Chemical release system May. 14, 2013
8431084 Crystallizer for producing phenol-BPA adduct crystals Apr. 30, 2013
8142731 Device for providing a relatively constant rate of dissolution of a solid article within it Mar. 27, 2012
7922984 Apparatus and method for controlled delivery of a gas Apr. 12, 2011
7632474 Device, cartridge and method for solving powder in liquid, when manufacturing a dialysis fluid Dec. 15, 2009
7510651 Multi-functional pool floating device Mar. 31, 2009
7497947 Devices for water treatment Mar. 3, 2009
7399389 Corrosion inhibitor dispensing apparatus and methods Jul. 15, 2008
7347934 Biocide Mar. 25, 2008
7329345 Dual dispenser Feb. 12, 2008
7143778 Chemical feeder Dec. 5, 2006
7005062 Self-supporting pump-filter apparatus for above-ground swimming pools Feb. 28, 2006
6855252 Chemical dispenser cartridge for filter devices Feb. 15, 2005
6749807 Flow through chemical indicator for measurement of active biocidal agents in a single use package Jun. 15, 2004
6676908 Neutralizing chemical dispenser with removable cover layer Jan. 13, 2004
6565818 Recycling system May. 20, 2003
6544487 Chemical feeder Apr. 8, 2003
6531056 Chlorination apparatus for controlling material dissolution rate Mar. 11, 2003
6503467 Chemical dispenser with removable cover layer Jan. 7, 2003
6451271 Chlorination apparatus and method Sep. 17, 2002
6416662 Water purification apparatus Jul. 9, 2002
6372126 Chlorinator for aerobic waste treatment systems Apr. 16, 2002
6325926 Liquid treatment apparatus Dec. 4, 2001
6325925 Liquid treatment apparatus Dec. 4, 2001
6298871 Chemical feeder Oct. 9, 2001
6280617 Chemical dispenser Aug. 28, 2001
6267896 Ferrate-based water disinfectant and method Jul. 31, 2001
6267886 Uni-directional flow chemical dispenser Jul. 31, 2001
6264901 Space frame sterilizer door Jul. 24, 2001
6251234 Electroplating machine Jun. 26, 2001
6207048 Water treatment kit Mar. 27, 2001
6183630 Chlorinator for aerobic waste treatment systems Feb. 6, 2001
6077484 Tablet feeder for water and/or wastewater Jun. 20, 2000
6048501 Dispensing device for detergent tablet Apr. 11, 2000
6022480 Methods and devices for treating water Feb. 8, 2000
5993753 Chlorinator/sanitizer and method of using same Nov. 30, 1999
5976364 Apparatus for treating air conditioner condensate with algicide Nov. 2, 1999
5916533 Apparatus and method for the controlled application of soluble chemicals to a body of water Jun. 29, 1999
5846410 Cassette device Dec. 8, 1998
5827434 Apparatus and methods for reducing and deterring biological contamination Oct. 27, 1998
5816701 Automated tablet dissolution apparatus Oct. 6, 1998
5774905 Deodorant holding device for a plumbing fixture Jul. 7, 1998
5718258 Releasing additives into engine oil Feb. 17, 1998
5713384 Tableted detergent, method of manufacture and use Feb. 3, 1998
5637209 Field-portable supercritical CO.sub.2 extractor Jun. 10, 1997

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