Elcogen Oy

9 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Jul 14, 2027
The maintenance fee for Protection arrangement and method of solid oxide cells (US 10,535,883) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.
1 fee due Aug 11, 2027
The maintenance fee for Method and arrangement for distributing reactants into a fuel cell or into an electrolyzer cell (US 10,559,836) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.

Which patents, and when each one lapses · Pro

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 9 of 9

Patent	Title	Status	Expires	Confidence
US 8,367,273	Method for preparation of the solid oxide fuel cell single cell In force Term ends Oct 2, 2028 · From the USPTO record	In force	Term ends Oct 2, 2028	From the USPTO record
US 10,559,836	Method and arrangement for distributing reactants into a fuel cell or into an electrolyzer cell In force Term ends Dec 27, 2033 · From the USPTO record	In force	Term ends Dec 27, 2033	From the USPTO record
US 10,777,824	Method and arrangement for distributing reactants into an electrolyzer cell In force Term ends Jan 8, 2034 · From the USPTO record	In force	Term ends Jan 8, 2034	From the USPTO record
US 12,015,182	Assembly method and arrangement for a cell system In force Term ends Feb 5, 2034 · From the USPTO record	In force	Term ends Feb 5, 2034	From the USPTO record
US 10,056,624	Sealing arrangement of solid oxide cell stacks In force Term ends Jul 17, 2034 · From the USPTO record	In force	Term ends Jul 17, 2034	From the USPTO record
US 10,535,883	Protection arrangement and method of solid oxide cells In force Term ends Sep 14, 2035 · From the USPTO record	In force	Term ends Sep 14, 2035	From the USPTO record
US 11,626,609	Contacting Method and Arrangement for Fuel Cell or Electrolyzer Cell Stack In force Term ends Dec 6, 2035 · High confidence	In force	Term ends Dec 6, 2035	High confidence
US 10,770,735	Protection arrangement and method of solid oxide cells In force Term ends Mar 6, 2036 · From the USPTO record	In force	Term ends Mar 6, 2036	From the USPTO record
US 12,034,190	Temperature control system for solid oxide cells and method of its use In force Term ends Apr 21, 2041 · From the USPTO record	In force	Term ends Apr 21, 2041	From the USPTO record

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.

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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.

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