Assignee
HYDRANAUTICS
24 granted patents·6 pending applications·1,119 citations·filing 1975–2021
Top patents by PatentIndex Score
30 records- 0196US4872984AInterfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the sameHYDRANAUTICS·Filed 1988·Granted Oct 10, 1989·151 cites·58 claims
- 0295US4235723AReverse osmosis membrane moduleHYDRANAUTICS·Filed 1979·Granted Nov 25, 1980·91 cites·7 claims
- 0394US4948507AInterfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the sameHYDRANAUTICS·Filed 1989·Granted Aug 14, 1990·112 cites·58 claims
- 0492US7736495B2Filtration devices with embedded radio frequency identification (RFID) tagsHYDRANAUTICS·Filed 2008·Granted Jun 15, 2010·28 cites·29 claims
- 0591US7481917B2Filtration devices with embedded radio frequency identification (RFID) tagsHYDRANAUTICS·Filed 2004·Granted Jan 27, 2009·57 cites·22 claims
- 0691US4855058AHigh recovery spiral wound membrane elementHYDRANAUTICS·Filed 1988·Granted Aug 8, 1989·145 cites·24 claims
- 0790US8357300B2Methods and materials for selective boron adsorption from aqueous solutionHYDRANAUTICS·Filed 2010·Granted Jan 22, 2013·11 cites·24 claims
- 0889US12251665B2Modular manifold for filtration modulesHYDRANAUTICS·Filed 2020·Granted Mar 18, 2025·2 cites·16 claims
- 0987US7378024B2Methods for improving filtration performance of hollow fiber membranesHYDRANAUTICS·Filed 2002·Granted May 27, 2008·63 cites·33 claims
- 1086US7584061B2Device for measuring permeate flow and permeate conductivity of individual reverse osmosis membrane elementsHYDRANAUTICS·Filed 2007·Granted Sep 1, 2009·19 cites·13 claims
- 1186US5254261AInterfacially synthesized reverse osmosis membranes and processes for preparing the sameHYDRANAUTICS·Filed 1992·Granted Oct 19, 1993·84 cites·55 claims
- 1283US7442309B2Methods for reducing boron concentration in high salinity liquidHYDRANAUTICS·Filed 2003·Granted Oct 28, 2008·23 cites·20 claims
- 1383US5246587AInterfacially synthesized reverse osmosis membranes and processes for preparing the sameHYDRANAUTICS·Filed 1992·Granted Sep 21, 1993·56 cites·31 claims
- 1477US7531042B2Methods for cleaning and maintaining membrane surface during filtrationHYDRANAUTICS·Filed 2003·Granted May 12, 2009·42 cites·22 claims
- 1577US4990252AStable membranes from sulfonated polyarylethersHYDRANAUTICS·Filed 1989·Granted Feb 5, 1991·48 cites·16 claims
- 1673US5922203AAmine monomers and their use in preparing interfacially synthesized membranes for reverse osmosis and nanofiltrationHYDRANAUTICS·Filed 1997·Granted Jul 13, 1999·43 cites·21 claims
- 1769US6464873B1Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the sameHYDRANAUTICS·Filed 1999·Granted Oct 15, 2002·35 cites·26 claims
- 1867US6183639B1Hollow fiber filter module and method of manufacturing sameHYDRANAUTICS·Filed 1999·Granted Feb 6, 2001·39 cites·3 claims
- 1966US7001518B1Low pressure reverse osmosis and nanofiltration membranes and method for the production thereofHYDRANAUTICS·Filed 2000·Granted Feb 21, 2006·13 cites·11 claims
- 2061US9731230B2Aeration diffuser for pressurized liquid treatment module and method of operating sameHYDRANAUTICS·Filed 2012·Granted Aug 15, 2017·2 cites·11 claims
- 2159US6413424B1Sanitary style filter elementHYDRANAUTICS·Filed 2000·Granted Jul 2, 2002·13 cites·17 claims
- 2259US4007915AJacking apparatusHYDRANAUTICS·Filed 1975·Granted Feb 15, 1977·16 cites·7 claims
- 2358US2009039020A1Methods for reducing boron concentration in high salinity liquidHYDRANAUTICS·Filed 2008·Application pending·0 cites
- 2453US2024218006A1Concentration and diafiltration of oligonucleotidesHYDRANAUTICS·Filed 2021·Application pending·0 cites
- 2547US2009314713A1Cross-flow filtration apparatus with biocidal feed spacerHYDRANAUTICS·Filed 2009·Application pending·0 cites
- 2646US3978676AShip lifting apparatusHYDRANAUTICS·Filed 1975·Granted Sep 7, 1976·16 cites·12 claims
- 2740US2022331741A1Filtration membrane assembly and method of cleaning the sameHYDRANAUTICS·Filed 2020·Application pending·0 cites
- 2839US2004188339A1Submergible membrane modular filtration device having replaceable membrane elementsHYDRANAUTICS·Filed 2004·Application pending·0 cites
- 2938US3994475ARack type jacking apparatusHYDRANAUTICS·Filed 1976·Granted Nov 30, 1976·10 cites·6 claims
- 3034US2003015823A1Method for forming a thick section, thermoset, solid castingHYDRANAUTICS·Filed 2001·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →