Advent Technologies, LLC

10 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

Jan 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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

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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 7,604,673	Annular Fuel Processor and Methods In force Term ends Jan 10, 2027 · High confidence	In force	Term ends Jan 10, 2027	High confidence
US 7,943,263	Heat Efficient Portable Fuel Cell Systems In force Term ends Feb 9, 2027 · High confidence	In force	Term ends Feb 9, 2027	High confidence
US 7,575,611	Fuel Processor for Use in a Fuel Cell System In force Term ends Aug 8, 2027 · High confidence	In force	Term ends Aug 8, 2027	High confidence
US 7,786,244	Development and characterization of novel proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups In force Ends no later than Sep 10, 2027 · From the USPTO record	In force	Ends no later than Sep 10, 2027	From the USPTO record
US 7,622,207	Fuel cell cartridge with reformate filtering In force Term ends Mar 22, 2028 · From the USPTO record	In force	Term ends Mar 22, 2028	From the USPTO record
US 7,807,313	Compact fuel cell package In force Term ends Aug 28, 2028 · From the USPTO record	In force	Term ends Aug 28, 2028	From the USPTO record
US 7,666,539	Heat Efficient Portable Fuel Cell Systems In force Term ends Nov 29, 2028 · High confidence	In force	Term ends Nov 29, 2028	High confidence
US 7,754,843	Proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups for use in proton exchange membrane fuel cells In force Term ends Dec 26, 2028 · From the USPTO record	In force	Term ends Dec 26, 2028	From the USPTO record
US 8,129,059	Low Pressure Drop Fuel Processor for Use with Portable Fuel Cells In force Term ends Feb 19, 2029 · High confidence	In force	Term ends Feb 19, 2029	High confidence
US 7,807,312	Portable electrical energy generation equipment In force Term ends Jun 12, 2029 · From the USPTO record	In force	Term ends Jun 12, 2029	From the USPTO record

Also on record, not counted in the 10: 7 lapsed for an unpaid fee · 5 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.

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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.

1 pending · 4 abandoned · 12 no status recorded

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