Six patents currently held, every record listed here

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

The next term ends in Sep 2031. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Sep 2031

Next term end

Patent families

When these terms end

Each bar runs from grant to computed term end. 2020 to 2042.

US 11,242,843 Concentrated Solar Power Generation Using Solar Receivers Sep 16, 2031

US 10,876,521 Multi-Thermal Storage Unit Systems, Fluid Flow Control Devices, and Low Pressure Solar Receivers for Solar Power Systems, and Related Components and Uses Thereof Mar 11, 2036

US 12,305,888 Concentrated Solar Energy Collection, Thermal Storage, and Power Generation Systems and Methods with Optional Supplemental Fuel Production Apr 1, 2041

US 12,716,618 Concentrated Solar Energy Collection, Thermal Storage, and Power Generation Systems and Methods with Optional Supplemental Fuel Production Apr 1, 2041

US 11,815,016 Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management Mar 18, 2042

US 12,281,612 Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management Mar 18, 2042

20252030203520402042

4 pending applications: term is not computable until grant.Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Multi-Thermal Storage Unit Systems, Fluid Flow Control Devices, and Low Pressure Solar Receivers for Solar Power Systems, and Related Components and Uses Thereof US 10,876,521

The most cited patent in this portfolio, cited by 117 later US patents, top 1% of utility patents granted in 2020 in our data. Protection runs to 2036.

Ends Mar 2036 · High confidence Also notable

Concentrated Solar Power Generation Using Solar Receivers US 11,242,843

A family of 5 related applications built on the 2022 grant. Protection runs to 2031.

Ends Sep 2031 · High confidence Also notable

Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management US 11,815,016

The newest of the three, granted 2023. It anchors the portfolio to 2042, later than anything else here.

Ends Mar 2042 · High confidence

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 May 14, 2027
The maintenance fee for Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management (US 11,815,016) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026

What they patent

Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.

Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management	2 in force	to Mar 2042
Concentrated Solar Energy Collection, Thermal Storage, and Power Generation Systems and Methods with Optional Supplemental Fuel Production	2 in force	to Apr 2041
Multi-Thermal Storage Unit Systems, Fluid Flow Control Devices, and Low Pressure Solar Receivers for Solar Power Systems, and Related Components and Uses Thereof	1 in force	to Mar 2036
Concentrated Solar Power Generation Using Solar Receivers	1 in force	to Sep 2031

Patents held now

Soonest term end first.

Showing 1 to 6 of 6

Patent	Title	Status	Expires	Confidence
US 11,242,843	Concentrated Solar Power Generation Using Solar Receivers In force Term ends Sep 16, 2031 · High confidence	In force	Term ends Sep 16, 2031	High confidence
US 10,876,521	Multi-Thermal Storage Unit Systems, Fluid Flow Control Devices, and Low Pressure Solar Receivers for Solar Power Systems, and Related Components and Uses Thereof In force Term ends Mar 11, 2036 · High confidence	In force	Term ends Mar 11, 2036	High confidence
US 12,305,888	Concentrated Solar Energy Collection, Thermal Storage, and Power Generation Systems and Methods with Optional Supplemental Fuel Production In force Term ends Apr 1, 2041 · Medium confidence	In force	Term ends Apr 1, 2041	Medium confidence
US 12,716,618	Concentrated Solar Energy Collection, Thermal Storage, and Power Generation Systems and Methods with Optional Supplemental Fuel Production In force Term ends Apr 1, 2041 · Medium confidence	In force	Term ends Apr 1, 2041	Medium confidence
US 11,815,016	Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management In force Term ends Mar 18, 2042 · High confidence	In force	Term ends Mar 18, 2042	High confidence
US 12,281,612	Thermal Storage and Power Generation Systems and Methods for Electrical Power Source Management In force Term ends Mar 18, 2042 · High confidence	In force	Term ends Mar 18, 2042	High confidence

Also on record, not counted in the 6: 4 applications pending · 1 application abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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