Eco Material Technologies IP LLC

8 patents currently held · Updated Nov 15, 2026

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

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.

1 fee due Apr 24, 2027
The maintenance fee for Mixed landfill and pond coal combustion byproducts (CCBs) and related techniques (US 11,795,105) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
1 fee due Aug 9, 2027
The maintenance fee for Process for treating fly ash and a rotary mill therefor (US 9,254,490) comes due Aug 9, 2027. Unpaid by Feb 9, 2028, it lapses early.
1 fee due Sep 5, 2027
The maintenance fee for Class C fly ash-based cementitious materials, flowable fill, concrete, and related techniques (US 11,919,810) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 8 of 8

Patent	Title	Status	Expires	Confidence
US 8,967,506	Treatment of fly ash contaminated with activated carbon In force Term ends Mar 27, 2033 · From the USPTO record	In force	Term ends Mar 27, 2033	From the USPTO record
US 9,254,490	Process for treating fly ash and a rotary mill therefor In force Term ends Sep 9, 2034 · From the USPTO record	In force	Term ends Sep 9, 2034	From the USPTO record
US 10,167,228	Lithium infused raw fly ash for the production of high strength cementitious products In force Term ends Oct 13, 2036 · From the USPTO record	In force	Term ends Oct 13, 2036	From the USPTO record
US 11,208,352	Lithium-treated calcium aluminate cement (CAC)-based products, concretes, and related techniques In force Term ends Jun 26, 2040 · From the USPTO record	In force	Term ends Jun 26, 2040	From the USPTO record
US 11,603,332	Methods for Coal Combustion Product (CCP) Recovery and Related Products In force Term ends May 9, 2041 · High confidence	In force	Term ends May 9, 2041	High confidence
US 12,240,783	Class C fly ash-based cementitious materials, flowable fill, concrete, and related techniques In force Term ends Sep 21, 2041 · From the USPTO record	In force	Term ends Sep 21, 2041	From the USPTO record
US 11,919,810	Class C fly ash-based cementitious materials, flowable fill, concrete, and related techniques In force Term ends Dec 2, 2041 · From the USPTO record	In force	Term ends Dec 2, 2041	From the USPTO record
US 11,795,105	Mixed landfill and pond coal combustion byproducts (CCBs) and related techniques In force Term ends Dec 14, 2041 · From the USPTO record	In force	Term ends Dec 14, 2041	From the USPTO record

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

Every application published under this name has become a patent.