Clean Planet Inc.

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

Feb 2037

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 Oct 30, 2027
The maintenance fee for Heat generating device and method for generating heat (US 11,971,199) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.
1 fee due Nov 5, 2027
The maintenance fee for Heat Generating System (US 10,641,525) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted 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 10,641,525	Heat Generating System In force Term ends Feb 4, 2037 · High confidence	In force	Term ends Feb 4, 2037	High confidence
US 12,209,747	Boiler In force Term ends Oct 25, 2039 · High confidence	In force	Term ends Oct 25, 2039	High confidence
US 11,499,789	Heat utilization system, and heat generating device In force Term ends Dec 11, 2039 · From the USPTO record	In force	Term ends Dec 11, 2039	From the USPTO record
US 11,371,695	Boiler In force Term ends Nov 20, 2040 · High confidence	In force	Term ends Nov 20, 2040	High confidence
US 11,326,772	Boiler with a Heat Generation Body That Stores Hydrogen In force Term ends Feb 19, 2041 · High confidence	In force	Term ends Feb 19, 2041	High confidence
US 11,971,199	Heat generating device and method for generating heat In force Term ends Aug 20, 2041 · From the USPTO record	In force	Term ends Aug 20, 2041	From the USPTO record
US 12,287,126	Heat Utilization System and Heat Generating Device In force Term ends Jun 7, 2042 · High confidence	In force	Term ends Jun 7, 2042	High confidence
US 12,247,766	Heat Generating Method In force Term ends Dec 27, 2042 · High confidence	In force	Term ends Dec 27, 2042	High confidence
US 12,747,893	Heat Generation Cell, Heat Generation Device, and Heat Utilization System In force Term ends May 12, 2043 · High confidence	In force	Term ends May 12, 2043	High confidence
US 12,618,592	Heat Generation Device, Heat Utilization System and Film-Like Heat Generation Element In force Term ends Sep 6, 2043 · High confidence	In force	Term ends Sep 6, 2043	High confidence

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.

9 pending · 4 no status recorded

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