The Patent Finder

Smartflow Technologies, Inc.

24 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Dec 2030
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 Nov 23, 2026
    The maintenance fee for Filter cassette article, and filter comprising same (US 11,654,397) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
  • 2 fees due Feb 11 to 28, 2027 · next Feb 11
  • 1 fee due Apr 20, 2027
    The maintenance fee for Method and systems for isolation and/or separation of products from production processes (US 9,163,265) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
  • 1 fee due Jun 12, 2027
    The maintenance fee for Method and systems for isolation and/or separation of products from production processes (US 11,839,856) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, 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 10,688,416Portable filtration unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,745,333Optimization of separation for viscous suspensions
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,101,883Portable filtration unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,795,530Optimization of separation for viscous suspensions
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,010,814Portable filtration unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,163,265Method and systems for isolation and/or separation of products from production processes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,937,469Method and systems for isolation and/or separation of products from production processes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,894,232Method and systems for isolation and/or separation of products from production processes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,934,222Method and systems for isolation and/or separation of target products from animal produced waste streams
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,427,479Systems for isolation and/or separation of products from production processes
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 24 patents shown.
Pro members see all 24.
Pro members: see all 24 patents
Also on record, not counted in the 24: 2 lapsed for an unpaid fee · 13 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.

2 pending · 2 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited