Lockheed Martin Energy, LLC

76 patents currently held · Updated Nov 15, 2026

4 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.

Previously recorded as Lockheed Martin Advanced Energy Storage, LLC (to 2018)

Ending by 2030

Mar 2033

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.

2 fees due Dec 11, 2026
2 fees due Jan 9, 2027
4 fees due Feb 6 to 20, 2027 · next Feb 6
5 fees due Mar 3 to 19, 2027 · next Mar 3
3 fees due Apr 3 to 29, 2027 · next Apr 3
1 fee due May 19, 2027
The maintenance fee for Electrochemical energy storage systems and methods featuring large negative half-cell potentials (US 10,483,581) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
2 fees due Jun 3 to 12, 2027 · next Jun 3
1 fee due Jul 28, 2027
The maintenance fee for Aqueous redox flow batteries featuring improved cell design characteristics (US 10,547,078) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
2 fees due Aug 25 to 27, 2027 · next Aug 25
3 fees due Sep 3 to 12, 2027 · next Sep 3
2 fees due Nov 5 to 12, 2027 · next Nov 5

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 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 8,691,413	Aqueous redox flow batteries featuring improved cell design characteristics In force Term ends Mar 12, 2033 · From the USPTO record	In force	Term ends Mar 12, 2033	From the USPTO record
US 9,991,543	Aqueous redox flow batteries featuring improved cell design characteristics In force Ends no later than Mar 12, 2033 · From the USPTO record	In force	Ends no later than Mar 12, 2033	From the USPTO record
US 10,056,639	Aqueous redox flow batteries featuring improved cell design characteristics In force Ends no later than Mar 12, 2033 · From the USPTO record	In force	Ends no later than Mar 12, 2033	From the USPTO record
US 10,164,284	Aqueous redox flow batteries featuring improved cell design characteristics In force Ends no later than Mar 12, 2033 · From the USPTO record	In force	Ends no later than Mar 12, 2033	From the USPTO record
US 10,547,078	Aqueous redox flow batteries featuring improved cell design characteristics In force Term ends Mar 12, 2033 · From the USPTO record	In force	Term ends Mar 12, 2033	From the USPTO record
US 9,742,021	High Solubility Iron Hexacyanides In force Term ends Mar 13, 2033 · Medium confidence	In force	Term ends Mar 13, 2033	Medium confidence
US 12,009,562	High Solubility Iron Hexacyanides In force Term ends Mar 13, 2033 · Medium confidence	In force	Term ends Mar 13, 2033	Medium confidence
US 8,753,761	Aqueous Redox Flow Batteries Comprising Metal Ligand Coordination Compounds In force Term ends Mar 16, 2033 · High confidence	In force	Term ends Mar 16, 2033	High confidence
US 10,374,248	High Solubility Iron Hexacyanides In force Term ends May 30, 2033 · Medium confidence	In force	Term ends May 30, 2033	Medium confidence
US 12,763,352	High Solubility Iron Hexacyanides In force Term ends Jun 27, 2033 · Medium confidence	In force	Term ends Jun 27, 2033	Medium confidence

10 of 76 patents shown.

Pro members see all 76.

Pro members: see all 76 patents

Also on record, not counted in the 76: 4 patents in force now held by others · 1 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.

10 pending · 2 no status recorded

List them