CLACK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01D SEPARATION 10124
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
 
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
 
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9079783 Distributor arrangement for a fluid treatment tankMar 15, 13Jul 14, 15[C02F]
9051196 Baffle plate for a water treatment deviceMar 15, 13Jun 09, 15[B01J, C02F]
8961797 Water treatment system tank selector valve assemblyMar 14, 13Feb 24, 15[C02F, B01D]
7690914 Apparatus for making a blow molded article with integral insertOct 08, 08Apr 06, 10[B29C]
7476354 Method and apparatus for making a blow molded article with integral insertSep 22, 04Jan 13, 09[B29C]
7243669 Float-responsive valve with premature closure preventionMar 18, 04Jul 17, 07[F16K]
7017600 FaucetMar 18, 04Mar 28, 06[F16K]
6444127 Water conditioning unit control valveSep 21, 00Sep 03, 02[B01D]
6402944 Water softener control valve with removable seal stackSep 21, 00Jun 11, 02[C02F, F16J]
6051144 Liquid filtration system and replaceable filter cartridge usable therewithFeb 26, 98Apr 18, 00[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0263,069 WATER TREATMENT DEVICE AND METHOD FOR RINSING BRINE FROM A TREATMENT MEDIUMAbandonedMar 15, 13Sep 18, 14[C02F]
2006/0151,034 FaucetAbandonedMar 27, 06Jul 13, 06[E03C]
6776901 Quiet flow control washer for water softener or the likeExpiredNov 30, 01Aug 17, 04[G05D, C02F]
D370379 Water bottle dispenserExpiredMay 24, 95Jun 04, 96[]
5460719 Modular flat filter assembly and method of making sameExpiredOct 29, 93Oct 24, 95[B01D]
5320752 Water purification system employing modular flat filter assemblyExpiredNov 03, 92Jun 14, 94[B01D]
5290442 Self-contained, purified drinking water refrigerator storage apparatusExpiredSep 24, 91Mar 01, 94[B01D]
5002664 Fluid flow control device for R.O. filtration purification systemsExpiredMar 15, 90Mar 26, 91[B01D]
4997553 Storage and dispensing apparatus for reverse osmosis filtration purification systemExpiredMar 15, 90Mar 05, 91[B01D]
D296460 Cartridge for filtration or absorption mediaExpiredDec 23, 85Jun 28, 88[]
4496906 Liquid conductivity monitorExpiredOct 28, 81Jan 29, 85[G01N]
4298468 Fluid treating apparatusExpiredApr 21, 80Nov 03, 81[B01J]
4239621 Fluid treating methodExpiredFeb 26, 79Dec 16, 80[B01J]
4238325 Fluid treating apparatus and methodExpiredSep 20, 78Dec 09, 80[B01D]
4235340 Salt grid for a brine tankExpiredJun 21, 79Nov 25, 80[B65D]

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