Vortex Pipe Systems LLC

28 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 2039

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 27, 2026
The maintenance fee for Propulsion enhancing device and watercraft comprising same (US 11,685,492) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.
2 fees due Feb 1 to 28, 2027 · next Feb 1
1 fee due Apr 29, 2027
The maintenance fee for Material Flow Amplifier (US 10,458,446) comes due Apr 29, 2027. Unpaid by Oct 29, 2027, it lapses early.
1 fee due Jun 12, 2027
The maintenance fee for Flexible fluid flow modifying device (US 11,841,037) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
1 fee due Jul 30, 2027
The maintenance fee for Propulsion enhancing device and watercraft comprising same (US 11,884,373) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
1 fee due Oct 9, 2027
The maintenance fee for Submersible pump (US 11,953,026) comes due Oct 9, 2027. Unpaid by Apr 10, 2028, it lapses early.
1 fee due Nov 7, 2027
The maintenance fee for Material Flow Modifier and Apparatus Comprising Same (US 11,976,678) comes due Nov 7, 2027. Unpaid by May 8, 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.

Patent	Title	Status	Expires	Confidence
US 10,458,446	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 10,683,881	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 10,890,200	Clamshell material flow amplifier In force Term ends Jun 18, 2039 · From the USPTO record	In force	Term ends Jun 18, 2039	From the USPTO record
US 10,895,274	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 11,221,028	Cyclonic flow-inducing pump In force Term ends Jun 18, 2039 · From the USPTO record	In force	Term ends Jun 18, 2039	From the USPTO record
US 11,391,309	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 12,006,957	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 12,404,884	Cyclonic flow-inducing pump In force Term ends Jun 18, 2039 · From the USPTO record	In force	Term ends Jun 18, 2039	From the USPTO record
US 12,497,981	Material Flow Amplifier In force Term ends Jun 18, 2039 · High confidence	In force	Term ends Jun 18, 2039	High confidence
US 11,319,974	Clamshell material flow amplifier In force Term ends Jul 23, 2039 · From the USPTO record	In force	Term ends Jul 23, 2039	From the USPTO record

10 of 28 patents shown.

Pro members see all 28.

Pro members: see all 28 patents

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.