Millrock Technology, 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

Nov 2031

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 Mar 1, 2027
The maintenance fee for Using Surface Heat Flux Measurement to Monitor and Control a Freeze Drying Process (US 9,121,637) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
1 fee due Jul 30, 2027
The maintenance fee for Apparatus and Method for Developing Freeze Drying Protocols Using Small Batches of Product (US 11,885,564) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
1 fee due Sep 30, 2027
The maintenance fee for Apparatus and Method for Developing Freeze Drying Protocols Using Small Batches of Product (US 10,605,527) comes due Sep 30, 2027. Unpaid by Mar 31, 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 8,434,240	Freeze drying method In force Term ends Nov 25, 2031 · High confidence	In force	Term ends Nov 25, 2031	High confidence
US 8,875,413	Controlled Nucleation During Freezing Step of Freeze Drying Cycle Using Pressure Differential Ice Crystals Distribution from Condensed Frost In force Term ends Apr 23, 2033 · High confidence	In force	Term ends Apr 23, 2033	High confidence
US 9,435,586	Controlled Nucleation During Freezing Step of Freeze Drying Cycle Using Pressure Differential Ice Crystals Distribution from Condensed Frost In force Ends no later than Jul 11, 2033 · Medium confidence	In force	Ends no later than Jul 11, 2033	Medium confidence
US 8,839,528	Controlled Nucleation During Freezing Step of Freeze Drying Cycle Using Pressure Differential Ice Fog Distribution In force Term ends Jul 23, 2033 · High confidence	In force	Term ends Jul 23, 2033	High confidence
US 9,121,637	Using Surface Heat Flux Measurement to Monitor and Control a Freeze Drying Process In force Term ends Jan 15, 2034 · High confidence	In force	Term ends Jan 15, 2034	High confidence
US 11,486,640	Apparatus and Method for Developing Freeze Drying Protocols Using Small Batches of Product In force Term ends Jan 15, 2034 · High confidence	In force	Term ends Jan 15, 2034	High confidence
US 9,470,453	Controlled Nucleation During Freezing Step of Freeze Drying Cycle Using Pressure Differential Water Vapor CO2 Ice Crystals In force Ends no later than Sep 30, 2034 · Medium confidence	In force	Ends no later than Sep 30, 2034	Medium confidence
US 10,605,527	Apparatus and Method for Developing Freeze Drying Protocols Using Small Batches of Product In force Term ends Sep 30, 2036 · High confidence	In force	Term ends Sep 30, 2036	High confidence
US 11,885,564	Apparatus and Method for Developing Freeze Drying Protocols Using Small Batches of Product In force Term ends Sep 30, 2036 · High confidence	In force	Term ends Sep 30, 2036	High confidence
US 12,709,426	Method and Apparatus for Handling and Processing of Material and Devices for Freeze-Drying In force Term ends Mar 21, 2045 · High confidence	In force	Term ends Mar 21, 2045	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.

3 no status recorded

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