The Patent Finder

Filter Art Ltd.

5 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 2035
Next term end

When these terms end

Held patents by the year their term ends
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Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

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 5 of 5

PatentTitleStatus Expires Confidence
US 10,220,336Filter employing stack of filter disks
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,083,984Duct for use in a system for separating particles suspended in a fluid, and a method of designing such duct
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,994,231Water Filter
In force
 · High confidence
In forceHigh confidence
US 12,403,414Method for Separation of Particles Suspended in a Fluid
In force
 · High confidence
In forceHigh confidence
US 12,023,605A System and a Method for Separation of Particles Suspended in a Fluid
In force
 · High confidence
In forceHigh 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.

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.

1 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