Inogen, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
12
Ending by 2030
Oct 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 Dec 27, 2026The maintenance fee for Compact portable oxygen concentrator (US 11,686,415) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.
- 1 fee due Feb 20, 2027The maintenance fee for Nasal interface apparatus and systems for use with a respiratory assist device (US 10,384,028) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
- 2 fees due Apr 17 to 30, 2027 · next Apr 17
- 1 fee due May 21, 2027The maintenance fee for Compact portable oxygen concentrator (US 11,821,559) comes due May 21, 2027. Unpaid by Nov 22, 2027, it lapses early.
- 1 fee due Jun 29, 2027The maintenance fee for Adsorber replacement notification for a portable gas concentrator (US 9,220,864) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
- 1 fee due Aug 20, 2027The maintenance fee for Nasal interface apparatus and systems for use with a respiratory assist device (US 11,904,096) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
- 2 fees due Sep 5 to 15, 2027 · next Sep 5
- 1 fee due Oct 23, 2027The maintenance fee for Oxygen Gas Concentrator with Outlet Accumulator (US 11,964,105) comes due Oct 23, 2027. Unpaid by Apr 24, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
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 8,142,544 | Adsorbent Bed Pressure Balancing for a Gas Concentrator In force · High confidence | In force | High confidence | |
| US D700,701 | Oxygen concentrator In force · From the USPTO record | In force | From the USPTO record | |
| US 7,585,351 | Systems and Methods of Monitoring and Controlling the Performance of a Gas Fractionalization Apparatus In force · High confidence | In force | High confidence | |
| US 7,857,894 | Adsorbent Bed Pressure Balancing for a Gas Concentrator In force · High confidence | In force | High confidence | |
| US 7,780,768 | Gas Concentrator with Improved Water Rejection Capability In force · High confidence | In force | High confidence | |
| US D706,211 | Oxygen concentrator battery In force · From the USPTO record | In force | From the USPTO record | |
| US 8,580,015 | Gas Concentrator with Improved Water Rejection Capability In force · High confidence | In force | High confidence | |
| US 7,841,343 | Systems and Methods for Delivering Therapeutic Gas to Patients In force · High confidence | In force | High confidence | |
| US 7,686,870 | Expandable Product Rate Portable Gas Fractionalization System In force · High confidence | In force | High confidence | |
| US 7,708,802 | Gas Fractionalization Apparatus with Built-In Administrative and Self-Diagnostic Functions In force · High confidence | In force | High confidence |
Also on record, not counted in the 60: 1 lapsed for an unpaid fee · 11 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.
4 pending · 1 no status recorded