The Patent Finder

Blueair AB

42 patents currently held · Updated Nov 15, 2026
1 more in force is now held by another company
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
Oct 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 Jan 4, 2027
    The maintenance fee for Air purification tent (US 11,690,460) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 4 of the patents on this record were granted since Aug 17, 2026

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 D690,803Air cleaner
In force
 · From the USPTO record
In forceFrom the USPTO record
US D774,173Air filter housing
In force
 · From the USPTO record
In forceFrom the USPTO record
US D797,914Air cleaner in various heights
In force
 · From the USPTO record
In forceFrom the USPTO record
US D798,430Air filter
In force
 · From the USPTO record
In forceFrom the USPTO record
US D793,543Device for monitoring air quality
In force
 · From the USPTO record
In forceFrom the USPTO record
US D821,568Face mask
In force
 · From the USPTO record
In forceFrom the USPTO record
US D833,598Face mask clip
In force
 · From the USPTO record
In forceFrom the USPTO record
US D836,760Air cleaner
In force
 · From the USPTO record
In forceFrom the USPTO record
US D837,355Deduster
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,636,617Air purifier device with fan duct
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 42 patents shown.
Pro members see all 42.
Pro members: see all 42 patents
Also on record, not counted in the 42: 1 patent in force now held by others · 2 lapsed for an unpaid fee · 10 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.

4 pending · 2 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