DCNS
2 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.
Recorded as renamed to Naval Group (2022)
0
Ending by 2030
Jul 2031
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 Apr 22, 2027The maintenance fee for Underwater connector half and underwater connector comprising such a connector half (US 10,454,205) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
- 1 fee due May 19, 2027The maintenance fee for Method and device for detecting an overcharging of an accumulator of a battery (US 10,481,213) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 1 fee due Jun 10, 2027The maintenance fee for Method for managing stoppage of a pressurised-water nuclear reactor (US 10,504,627) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
Recent changes
- 1 term has ended 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 8,955,450 | Offshore Installation for Producing Electrical Energy In force · High confidence | In force | High confidence | |
| US 8,866,315 | Underwater electricity generation module provided with a base In force · From the USPTO record | In force | From the USPTO record | |
| US 8,876,047 | Harpoon head and corresponding harpoon In force · From the USPTO record | In force | From the USPTO record | |
| US 8,919,001 | Method and System for Helping to Position a Component on a Structural Element In force · High confidence | In force | High confidence | |
| US 9,017,436 | Fuel processing systems with thermally integrated componentry In force · From the USPTO record | In force | From the USPTO record | |
| US 8,920,996 | Systems and methods for regulating fuel cell air flow during low loads or cold temperature operation In force · From the USPTO record | In force | From the USPTO record | |
| US 9,390,819 | Submerged energy production module In force · From the USPTO record | In force | From the USPTO record | |
| US 9,390,820 | Electricity production module In force · From the USPTO record | In force | From the USPTO record | |
| US 9,424,956 | Submerged or underwater electricity production module In force · From the USPTO record | In force | From the USPTO record | |
| US 9,396,820 | Submerged electricity production module In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 2 patents in force now held by others · 36 lapsed for an unpaid fee · 2 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.
10 no status recorded