DCNS S.A.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Oct 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,608,814 | Systems and methods for reliable feedstock delivery at variable delivery rates In force · From the USPTO record | In force | From the USPTO record | |
| US 8,617,294 | Systems and methods for supplying auxiliary fuel streams during intermittent byproduct discharge from pressure swing adsorption assemblies In force · From the USPTO record | In force | From the USPTO record | |
| US 8,617,754 | Systems and methods for independently controlling the operation of fuel cell stacks and fuel cell systems incorporating the same In force · From the USPTO record | In force | From the USPTO record | |
| US 8,790,840 | Systems and methods for fuel cell thermal management In force · From the USPTO record | In force | From the USPTO record | |
| US 8,673,510 | Systems and methods for maintaining hydrogen-selective membranes during periods of inactivity In force · From the USPTO record | In force | From the USPTO record | |
| US 8,790,618 | Systems and methods for initiating operation of pressure swing adsorption systems and hydrogen-producing fuel processing systems incorporating the same In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 6: 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.