Assignee
CLACK CORP
US·34 granted patents·2 pending applications·1,472 citations·filing 1979–2024
Top patents by PatentIndex Score
36 records- 0197US6402944B1Water softener control valve with removable seal stackCLACK CORP·Filed 2000·Granted Jun 11, 2002·91 cites·35 claims
- 0297US5389260ABrine seal for tubular filterCLACK CORP·Filed 1993·Granted Feb 14, 1995·204 cites·20 claims
- 0395US6051144ALiquid filtration system and replaceable filter cartridge usable therewithCLACK CORP·Filed 1998·Granted Apr 18, 2000·171 cites·56 claims
- 0495US5876610AMethod and apparatus for monitoring liquid flow through an enclosed streamCLACK CORP·Filed 1997·Granted Mar 2, 1999·124 cites·73 claims
- 0594US6444127B1Water conditioning unit control valveCLACK CORP·Filed 2000·Granted Sep 3, 2002·66 cites·28 claims
- 0694US5454944ASelf-contained, purified drinking water refrigerator storage apparatusCLACK CORP·Filed 1993·Granted Oct 3, 1995·80 cites·19 claims
- 0794US5290442ASelf-contained, purified drinking water refrigerator storage apparatusCLACK CORP·Filed 1991·Granted Mar 1, 1994·77 cites·14 claims
- 0893US5128035AFluid flow control device for water treatment systemsCLACK CORP·Filed 1991·Granted Jul 7, 1992·101 cites·16 claims
- 0991US10106434B2Fluid treatment tank having a distributor plateCLACK CORP·Filed 2016·Granted Oct 23, 2018·4 cites·18 claims
- 1091US5560393ASelf-contained, purified drinking water refrigerator storage apparatusCLACK CORP·Filed 1995·Granted Oct 1, 1996·68 cites·12 claims
- 1191US5320752AWater purification system employing modular flat filter assemblyCLACK CORP·Filed 1992·Granted Jun 14, 1994·79 cites·21 claims
- 1287US10472251B2Fluid treatment tank having a distributor plateCLACK CORP·Filed 2018·Granted Nov 12, 2019·2 cites·13 claims
- 1387US8961797B2Water treatment system tank selector valve assemblyCLACK CORP·Filed 2013·Granted Feb 24, 2015·6 cites·18 claims
- 1487US4997553AStorage and dispensing apparatus for reverse osmosis filtration purification systemCLACK CORP·Filed 1990·Granted Mar 5, 1991·70 cites·20 claims
- 1584US5002664AFluid flow control device for R.O. filtration purification systemsCLACK CORP·Filed 1990·Granted Mar 26, 1991·65 cites·1 claims
- 1684US4496906ALiquid conductivity monitorCLACK CORP·Filed 1981·Granted Jan 29, 1985·44 cites·12 claims
- 1782US12415233B2Fluid treatment tank having a laser welded distributor plateCLACK CORP·Filed 2024·Granted Sep 16, 2025·0 cites·13 claims
- 1880US7017600B2FaucetCLACK CORP·Filed 2004·Granted Mar 28, 2006·25 cites·5 claims
- 1978US9079783B2Distributor arrangement for a fluid treatment tankCLACK CORP·Filed 2013·Granted Jul 14, 2015·2 cites·20 claims
- 2077US9051196B2Baffle plate for a water treatment deviceCLACK CORP·Filed 2013·Granted Jun 9, 2015·2 cites·15 claims
- 2176US4235340ASalt grid for a brine tankCLACK CORP·Filed 1979·Granted Nov 25, 1980·27 cites·14 claims
- 2275US7476354B2Method and apparatus for making a blow molded article with integral insertCLACK CORP·Filed 2004·Granted Jan 13, 2009·9 cites·13 claims
- 2374USRE35252EFluid flow control device for water treatment systemsCLACK CORP·Filed 1993·Granted May 28, 1996·33 cites·17 claims
- 2473USD386242SCountertop filterCLACK CORP·Filed 1996·Granted Nov 11, 1997·20 cites·1 claims
- 2572US5366576AMethod for producing tubular products from nonwoven fibersCLACK CORP·Filed 1993·Granted Nov 22, 1994·28 cites·12 claims
- 2669US7690914B1Apparatus for making a blow molded article with integral insertCLACK CORP·Filed 2008·Granted Apr 6, 2010·1 cites·10 claims
- 2767US12090573B2Fluid treatment tank having a laser welded distributor plateCLACK CORP·Filed 2019·Granted Sep 17, 2024·0 cites·14 claims
- 2867US5672232AApparatus for producing tubular products from nonwoven fibersCLACK CORP·Filed 1994·Granted Sep 30, 1997·20 cites·20 claims
- 2966US5460719AModular flat filter assembly and method of making sameCLACK CORP·Filed 1993·Granted Oct 24, 1995·25 cites·2 claims
- 3063US6776901B1Quiet flow control washer for water softener or the likeCLACK CORP·Filed 2001·Granted Aug 17, 2004·18 cites·19 claims
- 3162US12297129B2Water treatment tank with conductivity monitorCLACK CORP·Filed 2021·Granted May 13, 2025·0 cites·17 claims
- 3256US2006151034A1FaucetCLACK CORP·Filed 2006·Application pending·0 cites
- 3354US11059727B2Fluid treatment tank having air blockerCLACK CORP·Filed 2017·Granted Jul 13, 2021·0 cites·18 claims
- 3454US7243669B2Float-responsive valve with premature closure preventionCLACK CORP·Filed 2004·Granted Jul 17, 2007·5 cites·29 claims
- 3551US2014263069A1Water treatment device and method for rinsing brine from a treatment mediumCLACK CORP·Filed 2013·Application pending·0 cites
- 3647USD296460SCartridge for filtration or absorption mediaCLACK CORP·Filed 1985·Granted Jun 28, 1988·5 cites·1 claims
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