McAlister Technologies, LLC

21 patents currently held · Updated Nov 14, 2026

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

Recorded under 3 name spellings.

Ending by 2030

Jan 2028

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 Dec 9, 2026
The maintenance fee for Multifuel storage, metering and ignition system (US 9,051,909) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
1 fee due Jan 14, 2027
The maintenance fee for Methods for fuel tank recycling and net hydrogen fuel and carbon goods production along with associated apparatus and systems (US 9,079,489) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
2 fees due Feb 4 to 25, 2027 · next Feb 4
3 fees due Mar 8 to 15, 2027 · next Mar 8
2 fees due Apr 27, 2027
2 fees due May 17 to 24, 2027 · next May 17
1 fee due Jun 1, 2027
The maintenance fee for Chemical fuel conditioning and activation (US 9,200,561) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
1 fee due Jul 5, 2027
The maintenance fee for Systems and Methods for Sustainable Economic Development Through Integrated Full Spectrum Production of Renewable Energy (US 9,231,267) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
1 fee due Aug 9, 2027
The maintenance fee for Regenerative intensifier and associated systems and methods (US 9,255,560) comes due Aug 9, 2027. Unpaid by Feb 9, 2028, it lapses early.
2 fees due Sep 15 to 29, 2027 · next Sep 15
1 fee due Oct 5, 2027
The maintenance fee for Mobile transport platforms for producing hydrogen and structural materials, and associated systems and methods (US 9,302,681) comes due Oct 5, 2027. Unpaid by Apr 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 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 9,051,909	Multifuel storage, metering and ignition system In force Ends no later than Jan 7, 2028 · From the USPTO record	In force	Ends no later than Jan 7, 2028	From the USPTO record
US 9,188,086	Coupled thermochemical reactors and engines, and associated systems and methods In force Ends no later than Jan 7, 2028 · From the USPTO record	In force	Ends no later than Jan 7, 2028	From the USPTO record
US 9,341,152	Integrated fuel injectors and igniters and associated methods of use and manufacture In force Term ends Jan 7, 2028 · From the USPTO record	In force	Term ends Jan 7, 2028	From the USPTO record
US 9,371,787	Adaptive control system for fuel injectors and igniters In force Term ends Jan 7, 2028 · From the USPTO record	In force	Term ends Jan 7, 2028	From the USPTO record
US 9,133,552	Electrolytic cell and method of use thereof In force Term ends Feb 17, 2030 · From the USPTO record	In force	Term ends Feb 17, 2030	From the USPTO record
US 9,231,267	Systems and Methods for Sustainable Economic Development Through Integrated Full Spectrum Production of Renewable Energy In force Term ends Feb 17, 2030 · High confidence	In force	Term ends Feb 17, 2030	High confidence
US 9,416,457	System and method for renewable resource production, for example, hydrogen production by microbial, electrolysis, fermentation, and/or photosynthesis In force Term ends Feb 17, 2030 · From the USPTO record	In force	Term ends Feb 17, 2030	From the USPTO record
US 9,097,152	Energy System for Dwelling Support In force Term ends Jan 7, 2031 · High confidence	In force	Term ends Jan 7, 2031	High confidence
US 9,297,530	Oxygenated fuel In force Term ends Feb 14, 2031 · From the USPTO record	In force	Term ends Feb 14, 2031	From the USPTO record
US 8,912,239	Carbon Recycling and Reinvestment Using Thermochemical Regeneration In force Term ends Feb 27, 2031 · High confidence	In force	Term ends Feb 27, 2031	High confidence

10 of 21 patents shown.

Pro members see all 21.

Pro members: see all 21 patents

Also on record, not counted in the 21: 129 lapsed for an unpaid fee · 11 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.

5 abandoned · 44 no status recorded

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