Inentec Inc.

20 patents currently held · Updated Nov 14, 2026

1 more in force is now held by another company

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

Ending by 2030

Dec 2026

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 to 16, 2026 · next Dec 11
1 fee due Apr 6, 2027
The maintenance fee for Pressurized plasma enhanced reactor (US 9,150,805) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
2 fees due Jun 8 to 29, 2027 · next Jun 8

Which patents, and when each one lapses · Pro

Recent changes

3 terms have 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.

Patent	Title	Status	Expires	Confidence
US 8,685,121	Combined gasification and vitrification system In force Term ends Dec 12, 2026 · From the USPTO record	In force	Term ends Dec 12, 2026	From the USPTO record
US 7,655,703	Method and apparatus for methanol and other fuel production In force Term ends Mar 4, 2027 · From the USPTO record	In force	Term ends Mar 4, 2027	From the USPTO record
US 7,816,415	Method and apparatus for synthesizing hydrocarbons using sonic mixing and solid catalysts In force Term ends May 5, 2028 · From the USPTO record	In force	Term ends May 5, 2028	From the USPTO record
US 8,614,364	Renewable Electricity Conversion of Liquid Fuels from Hydrocarbon Feedstocks In force Term ends Jul 15, 2028 · Medium confidence	In force	Term ends Jul 15, 2028	Medium confidence
US 8,118,892	Gasification system In force Term ends Nov 21, 2028 · From the USPTO record	In force	Term ends Nov 21, 2028	From the USPTO record
US 9,206,364	Gasification system In force Term ends Dec 8, 2028 · From the USPTO record	In force	Term ends Dec 8, 2028	From the USPTO record
US 9,771,532	Pressurized plasma enhanced reactor and methods for converting organic matter to gas products In force Term ends Aug 17, 2030 · From the USPTO record	In force	Term ends Aug 17, 2030	From the USPTO record
US 9,222,039	Grate for high temperature gasification systems In force Term ends Oct 21, 2030 · From the USPTO record	In force	Term ends Oct 21, 2030	From the USPTO record
US 9,150,805	Pressurized plasma enhanced reactor In force Term ends Nov 4, 2030 · From the USPTO record	In force	Term ends Nov 4, 2030	From the USPTO record
US 8,118,891	Grate for high temperature gasification systems In force Term ends Nov 22, 2030 · From the USPTO record	In force	Term ends Nov 22, 2030	From the USPTO record

10 of 20 patents shown.

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Pro members: see all 20 patents

Also on record, not counted in the 20: 1 patent in force now held by others · 24 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

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