Generon IGS, Inc.
3 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
5
Ending by 2030
Sep 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Aug 18, 2027The maintenance fee for Membrane-based gas separation with retentate sweep (US 10,561,978) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,497,894 | Portable air separation/air dehydration system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,517,388 | Air separation membrane module with variable sweep stream In force · From the USPTO record | In force | From the USPTO record | |
| US 7,662,333 | Vacuum-assisted potting of fiber module tubesheets In force · From the USPTO record | In force | From the USPTO record | |
| US 8,409,324 | Sweep gas for membrane-based dehydration modules In force · From the USPTO record | In force | From the USPTO record | |
| US 8,171,710 | Automatic lacer for bundles of polymeric fiber In force · From the USPTO record | In force | From the USPTO record | |
| US 8,317,899 | Shipboard hybrid system for making dry, oil-free, utility air and inert gas In force · From the USPTO record | In force | From the USPTO record | |
| US 8,398,755 | Integrated membrane module for gas dehydration and gas separation In force · From the USPTO record | In force | From the USPTO record | |
| US 9,034,957 | High-flow hollow-fiber membranes containing polymer blends In force · From the USPTO record | In force | From the USPTO record | |
| US 9,545,599 | Hybrid membrane system for gas streams with condensable hydrocarbons In force · From the USPTO record | In force | From the USPTO record | |
| US 9,764,275 | Membrane module capable of operation in extreme temperature environments In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 3 patents in force now held by others · 4 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
12 no status recorded