Assignee
ENERFEX INC
US·6 granted patents·293 citations·filing 1992–2001
Top patents by PatentIndex Score
6 records- 0197US5233837AProcess and apparatus for producing liquid carbon dioxideENERFEX INC·Filed 1992·Granted Aug 10, 1993·178 cites·11 claims
- 0285US5482539AMultiple stage semi-permeable membrane process and apparatus for gas separationENERFEX INC·Filed 1994·Granted Jan 9, 1996·51 cites·11 claims
- 0360US5873928AMultiple stage semi-permeable membrane process and apparatus for gas separationENERFEX INC·Filed 1996·Granted Feb 23, 1999·22 cites·4 claims
- 0458US6128916AMembrane technology to remove non-condensable gases from refrigeration systemsENERFEX INC·Filed 1998·Granted Oct 10, 2000·25 cites·8 claims
- 0553US6953492B2Membrane technology to reduce nitrogen in natural gasENERFEX INC·Filed 2001·Granted Oct 11, 2005·4 cites·5 claims
- 0641US5693121ASemi-permeable membrane separation process for the production of very high purity nitrogenENERFEX INC·Filed 1995·Granted Dec 2, 1997·13 cites·20 claims
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