Inventor
JENSVOLD JOHN A
US26 patents
⚠️ This page may combine multiple inventors who share the name “JENSVOLD JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GENERON IGS INC
12 patentsUS7517388B2Apr 14, 2009
Air separation membrane module with variable sweep stream
GENERON IGS INC42 citations92
US7578871B2Aug 25, 2009
Gas separation membrane with partial surfactant coating
GENERON IGS INC19 citations84
US7294174B2Nov 13, 2007
Air dehydration membrane
GENERON IGS INC8 citations73
US6641643B2Nov 4, 2003
Ceramic deoxygenation hybrid systems for the production of oxygen and nitrogen gases
GENERON IGS INC7 citations72
US10843127B2Nov 24, 2020
Compact membrane module system for gas separation
GENERON IGS INC2 citations69
US9034957B2May 19, 2015
High-flow hollow-fiber membranes containing polymer blends
GENERON IGS INC4 citations69
US10561978B2Feb 18, 2020
Membrane-based gas separation with retentate sweep
GENERON IGS INC5 citations68
US9764275B2Sep 19, 2017
Membrane module capable of operation in extreme temperature environments
GENERON IGS INC4 citations67
US8409324B1Apr 2, 2013
Sweep gas for membrane-based dehydration modules
GENERON IGS INC5 citations66
US11654401B2May 23, 2023
Gas separation membrane cartridge with clamshell retainer
GENERON IGS INC0 citations55
US11103827B2Aug 31, 2021
Two-stage gas separation unit contained within a single housing
GENERON IGS INC0 citations49
US9545599B2Jan 17, 2017
Hybrid membrane system for gas streams with condensable hydrocarbons
GENERON IGS INC0 citations40
DOW CHEMICAL CO
8 patentsUS5282964AFeb 1, 1994
Boreside feed hollow fiber membrane device
DOW CHEMICAL CO128 citations95
US5409524AApr 25, 1995
Membranes having improved selectivity and recovery, and process for making same
DOW CHEMICAL CO66 citations93
US5163977ANov 17, 1992
Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same
DOW CHEMICAL CO26 citations92
US4955993ASep 11, 1990
Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region
DOW CHEMICAL CO34 citations92
US4838904AJun 13, 1989
Semi-permeable membranes with an internal discriminating region
DOW CHEMICAL CO28 citations92
US4772392ASep 20, 1988
Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates
DOW CHEMICAL CO35 citations91
US5141530AAug 25, 1992
Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same
DOW CHEMICAL CO18 citations73
US4900334AFeb 13, 1990
Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties
DOW CHEMICAL CO11 citations72