The Patent Finder

Milton Roy, LLC

13 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

2
Ending by 2030
Dec 2027
Next term end

When these terms end

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 Distributed dielectric barrier discharge reactor (US 9,120,073) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
  • 1 fee due Sep 15, 2027
    The maintenance fee for Systems and methods for non-thermal plasma over liquid direct ion injection (US 9,287,800) comes due Sep 15, 2027. Unpaid by Mar 15, 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.
PatentTitleStatus Expires Confidence
US 7,608,185Hollow Fiber Membrane Modules for Use in Distillation Systems
In force
 · High confidence
In forceHigh confidence
US 8,008,806Metering Pump Power Source
In force
 · Medium confidence
In forceMedium confidence
US 9,120,073Distributed dielectric barrier discharge reactor
In force
 · From the USPTO record
In forceFrom the USPTO record
US D757,825Metering Pump
In force
 · High confidence
In forceHigh confidence
US 9,906,118Impedance matching circuit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,394,189Methods, systems, and reactors for non-thermal plasma over liquid direct ion injection
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,287,800Systems and methods for non-thermal plasma over liquid direct ion injection
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,010,854Plasma reactor for liquid and gas
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,187,968Quasi-resonant plasma voltage generator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,452,982Reactor for liquid and gas and method of use
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
Also on record, not counted in the 13: 10 lapsed for an unpaid fee · 73 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.

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 abandoned · 10 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited