11 patents currently held
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Apr 2029. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
4
Ending by 2030
Apr 2029
Next term end
11
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Jun 2037 · High confidence
Also notable
Ends Mar 2030 · High confidence
Also notable
Ends Dec 2030 · High confidence
Method for the Control of the Breathing Gas Supply
US 10,213,630
Granted 2019 and renewed at 2 of 3 maintenance windows. Protection runs to 2037.
Cockpit Oxygen Mask
US 8,302,604
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2030.
Method and Device for Controlling the Pressure And/Or Flow Rate of Fluid
US 8,944,096
Renewed at every maintenance window since the 2015 grant; no more fees are due before its term ends in 2030.
Formerly held, still cited
Notable
Ends Feb 2041 · High confidence
Cited by 4 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2041.
now held by B/E Aerospace, Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 2 of the patents on this record were granted since Aug 17, 2026
- 2 terms have ended since Aug 17, 2026
What they patent
The 3 largest of its 11 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Method for the Control of the Breathing Gas Supply | 1 in force | to Jun 2037 |
| Method and Device for Controlling the Pressure And/Or Flow Rate of Fluid | 1 in force | to Dec 2030 |
| Cockpit Oxygen Mask | 1 in force | to Mar 2030 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,871,317 | Air Exit Guidance In force · High confidence | In force | High confidence | |
| US 7,789,084 | Method for Equipping a Personal Service Unit with Passenger Oxygen Masks In force · High confidence | In force | High confidence | |
| US 8,302,604 | Cockpit Oxygen Mask In force · High confidence | In force | High confidence | |
| US 8,944,096 | Method and Device for Controlling the Pressure And/Or Flow Rate of Fluid In force · High confidence | In force | High confidence | |
| US 8,387,618 | Oxygen Emergency Supply Device In force · High confidence | In force | High confidence | |
| US 8,397,723 | Emergency Oxygen Supply Device In force · High confidence | In force | High confidence | |
| US 9,022,028 | Oxygen Supply Device In force · High confidence | In force | High confidence | |
| US 10,213,630 | Method for the Control of the Breathing Gas Supply In force · High confidence | In force | High confidence | |
| US 11,376,450 | Oxygen Supply Device In force · High confidence | In force | High confidence | |
| US 12,714,889 | Oxygen Mask for Use in an Aircraft, Emergency Oxygen System, and Aircraft In force · High confidence | In force | High confidence |
Also on record, not counted in the 11: 1 patent in force now held by others · 15 patents ended · 3 applications pending · 9 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.