Dover Pumps & Process Solutions Segment, 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

Jun 2032

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 3, 2027
The maintenance fee for Rotor assemblies having radial deformation control members (US 10,400,765) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
2 fees due Apr 8 to 17, 2027 · next Apr 8

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 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,608,465	Positive-displacement rotary pump having a positive-displacement auxiliary pumping system In force Term ends Jun 20, 2032 · From the USPTO record	In force	Term ends Jun 20, 2032	From the USPTO record
US 10,400,765	Rotor assemblies having radial deformation control members In force Term ends Aug 14, 2037 · From the USPTO record	In force	Term ends Aug 14, 2037	From the USPTO record
US 10,436,200	Sealed rotor assembly for a rotary fluid device In force Term ends Dec 28, 2037 · From the USPTO record	In force	Term ends Dec 28, 2037	From the USPTO record
US 11,788,541	High Pressure Gas Sealing In force Term ends May 18, 2041 · High confidence	In force	Term ends May 18, 2041	High confidence
US 12,152,598	High Pressure Gas Sealing In force Term ends May 18, 2041 · High confidence	In force	Term ends May 18, 2041	High confidence
US 12,663,015	High Pressure Gas Sealing In force Term ends May 18, 2041 · High confidence	In force	Term ends May 18, 2041	High confidence
US 12,429,092	Functionally graded composite structures In force Term ends Sep 8, 2041 · From the USPTO record	In force	Term ends Sep 8, 2041	From the USPTO record
US 12,297,867	Functionally graded composite structures In force Term ends Nov 15, 2041 · From the USPTO record	In force	Term ends Nov 15, 2041	From the USPTO record
US 12,313,052	Expansion chamber for progressive sealing system In force Term ends Jun 7, 2042 · From the USPTO record	In force	Term ends Jun 7, 2042	From the USPTO record
US 12,429,048	Packing case with degradation monitoring In force Term ends Oct 20, 2043 · From the USPTO record	In force	Term ends Oct 20, 2043	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

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 pending

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