Assignee
MEMBRANE TECH & RES INC
US·112 granted patents·6 pending applications·6,192 citations·filing 1984–2015
Top patents by PatentIndex Score
118 records- 0198US6572678B1Natural gas separation using nitrogen-selective membranes of modest selectivityMEMBRANE TECH & RES INC·Filed 2001·Granted Jun 3, 2003·117 cites·43 claims
- 0298US6565626B1Natural gas separation using nitrogen-selective membranesMEMBRANE TECH & RES INC·Filed 2001·Granted May 20, 2003·166 cites·39 claims
- 0398US4963165AComposite membrane, method of preparation and useMEMBRANE TECH & RES INC·Filed 1988·Granted Oct 16, 1990·201 cites·30 claims
- 0497US6361582B1Gas separation using C3+ hydrocarbon-resistant membranesMEMBRANE TECH & RES INC·Filed 2000·Granted Mar 26, 2002·151 cites·47 claims
- 0597US4553983AProcess for recovering organic vapors from airMEMBRANE TECH & RES INC·Filed 1984·Granted Nov 19, 1985·109 cites·16 claims
- 0696US7732173B2Ethanol recovery processMEMBRANE TECH & RES INC·Filed 2006·Granted Jun 8, 2010·127 cites·39 claims
- 0796US7537641B2Natural gas treatment process for stimulated wellMEMBRANE TECH & RES INC·Filed 2005·Granted May 26, 2009·29 cites·34 claims
- 0896US6648944B1Carbon dioxide removal processMEMBRANE TECH & RES INC·Filed 2003·Granted Nov 18, 2003·104 cites·84 claims
- 0996US5024594AProtective clothing materialMEMBRANE TECH & RES INC·Filed 1989·Granted Jun 18, 1991·123 cites·25 claims
- 1095US6755975B2Separation process using pervaporation and dephlegmationMEMBRANE TECH & RES INC·Filed 2002·Granted Jun 29, 2004·127 cites·76 claims
- 1195US6630011B1Nitrogen removal from natural gas using two types of membranesMEMBRANE TECH & RES INC·Filed 2002·Granted Oct 7, 2003·93 cites·35 claims
- 1295US6579341B2Nitrogen gas separation using organic-vapor-resistant membranesMEMBRANE TECH & RES INC·Filed 2002·Granted Jun 17, 2003·91 cites·56 claims
- 1395US6361583B1Gas separation using organic-vapor-resistant membranesMEMBRANE TECH & RES INC·Filed 2000·Granted Mar 26, 2002·104 cites·85 claims
- 1495US5089033AProcess for removing condensable components from gas streamsMEMBRANE TECH & RES INC·Filed 1991·Granted Feb 18, 1992·111 cites·45 claims
- 1594US6271319B1Membrane-augmented polypropylene manufacturingMEMBRANE TECH & RES INC·Filed 2000·Granted Aug 7, 2001·68 cites·33 claims
- 1694US6011192AMembrane-based conditioning for adsorption system feed gasesMEMBRANE TECH & RES INC·Filed 1998·Granted Jan 4, 2000·102 cites·45 claims
- 1794US5407466ASour gas treatment process including membrane and non-membrane treatment stepsMEMBRANE TECH & RES INC·Filed 1993·Granted Apr 18, 1995·105 cites·57 claims
- 1893US7510594B2Gas separation membrane module assemblyMEMBRANE TECH & RES INC·Filed 2005·Granted Mar 31, 2009·41 cites·39 claims
- 1993US6899743B2Separation of organic mixtures using gas separation or pervaporation and dephlegmationMEMBRANE TECH & RES INC·Filed 2003·Granted May 31, 2005·73 cites·47 claims
- 2093US6161386APower generation method including membrane separationMEMBRANE TECH & RES INC·Filed 1998·Granted Dec 19, 2000·100 cites·21 claims
- 2193US5401300ASour gas treatment process including dehydration of the gas streamMEMBRANE TECH & RES INC·Filed 1993·Granted Mar 28, 1995·104 cites·30 claims
- 2292US6896717B2Gas separation using coated membranesMEMBRANE TECH & RES INC·Filed 2003·Granted May 24, 2005·92 cites·45 claims
- 2392US6414202B1Membrane-augmented manufacture of propylene derivativesMEMBRANE TECH & RES INC·Filed 2000·Granted Jul 2, 2002·24 cites·16 claims
- 2492US5670051AOlefin separation membrane and processMEMBRANE TECH & RES INC·Filed 1996·Granted Sep 23, 1997·118 cites·35 claims
- 2592US5049167AMultilayer interfacial composite membraneMEMBRANE TECH & RES INC·Filed 1989·Granted Sep 17, 1991·108 cites·31 claims
- 2692US4857080AUltrathin composite metal membranesMEMBRANE TECH & RES INC·Filed 1987·Granted Aug 15, 1989·118 cites·17 claims
- 2791US6589303B1Hydrogen production by process including membrane gas separationMEMBRANE TECH & RES INC·Filed 1999·Granted Jul 8, 2003·80 cites·17 claims
- 2891US6572679B2Gas separation using organic-vapor-resistant membranes in conjunction with organic-vapor-selective membranesMEMBRANE TECH & RES INC·Filed 2002·Granted Jun 3, 2003·63 cites·66 claims
- 2991US5281255AGas-separation processMEMBRANE TECH & RES INC·Filed 1992·Granted Jan 25, 1994·86 cites·23 claims
- 3090US7758670B2Four-port gas separation membrane module assemblyMEMBRANE TECH & RES INC·Filed 2006·Granted Jul 20, 2010·23 cites·22 claims
- 3190US6544316B2Hydrogen gas separation using organic-vapor-resistant membranesMEMBRANE TECH & RES INC·Filed 2001·Granted Apr 8, 2003·54 cites·65 claims
- 3290US5407467ASour gas treatment processMEMBRANE TECH & RES INC·Filed 1993·Granted Apr 18, 1995·78 cites·103 claims
- 3390US5256295ATwo-stage membrane process and apparatusMEMBRANE TECH & RES INC·Filed 1992·Granted Oct 26, 1993·77 cites·29 claims
- 3490US5205843AProcess for removing condensable components from gas streamsMEMBRANE TECH & RES INC·Filed 1992·Granted Apr 27, 1993·71 cites·34 claims
- 3590US5199962AProcess for removing condensable components from gas streamsMEMBRANE TECH & RES INC·Filed 1992·Granted Apr 6, 1993·78 cites·35 claims
- 3689US7479227B2Liquid-phase separation of low molecular weight organic compoundsMEMBRANE TECH & RES INC·Filed 2005·Granted Jan 20, 2009·22 cites·42 claims
- 3789US5769927AMonomer recovery processMEMBRANE TECH & RES INC·Filed 1997·Granted Jun 23, 1998·97 cites·35 claims
- 3889US5071451AMembrane process and apparatus for removing vapors from gas streamsMEMBRANE TECH & RES INC·Filed 1990·Granted Dec 10, 1991·72 cites·22 claims
- 3989US4943475AMultilayer composite protective fabric material and use in protective clothingMEMBRANE TECH & RES INC·Filed 1986·Granted Jul 24, 1990·105 cites·22 claims
- 4088US5669958AMethane/nitrogen separation processMEMBRANE TECH & RES INC·Filed 1996·Granted Sep 23, 1997·65 cites·41 claims
- 4188US5032148AMembrane fractionation processMEMBRANE TECH & RES INC·Filed 1989·Granted Jul 16, 1991·59 cites·8 claims
- 4287US5785739ASteam cracker gas separation processMEMBRANE TECH & RES INC·Filed 1997·Granted Jul 28, 1998·62 cites·16 claims
- 4387US5772734AMembrane hybrid process for treating low-organic-concentration gas streamsMEMBRANE TECH & RES INC·Filed 1997·Granted Jun 30, 1998·73 cites·55 claims
- 4487US5711882AGas separation membrane module and processMEMBRANE TECH & RES INC·Filed 1995·Granted Jan 27, 1998·77 cites·40 claims
- 4587US5273572AProcess for removing an organic compound from waterMEMBRANE TECH & RES INC·Filed 1992·Granted Dec 28, 1993·60 cites·102 claims
- 4687US5044166ARefrigeration process with purge and recovery of refrigerantMEMBRANE TECH & RES INC·Filed 1990·Granted Sep 3, 1991·66 cites·19 claims
- 4787US4857078AProcess for separating higher hydrocarbons from natural or produced gas streamsMEMBRANE TECH & RES INC·Filed 1987·Granted Aug 15, 1989·114 cites·8 claims
- 4886US6350371B1Refinery process including membrane separationMEMBRANE TECH & RES INC·Filed 1999·Granted Feb 26, 2002·62 cites·35 claims
- 4986US6053965AFuel gas conditioning processMEMBRANE TECH & RES INC·Filed 1998·Granted Apr 25, 2000·69 cites·20 claims
- 5086US5374300AProcess for removing condensable components from gas streamsMEMBRANE TECH & RES INC·Filed 1993·Granted Dec 20, 1994·56 cites·39 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when MEMBRANE TECH & RES INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →