The Patent Finder

Outotec Oyj

8 patents currently held · Updated Nov 15, 2026
103 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded as renamed to Outotec (Finland) Oy (2014)

3
Ending by 2030
Jan 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 21, 2027
    The maintenance fee for Method and apparatus for homogenizing and stabilizing an iron-bearing residue (US 9,085,020) comes due Jan 21, 2027. Unpaid by Jul 21, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended 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.

Showing 1 to 8 of 8

PatentTitleStatus Expires Confidence
US 8,047,230System for the chemical/physical treatment of a fluid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,506,230Distributor device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,435,442System for decreasing amount of organic solution in the liquid-liquid extraction process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,085,020Method and apparatus for homogenizing and stabilizing an iron-bearing residue
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,516,968Fluidized bed
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,352,290Device and method for dispersing two solutions in each other in solvent extraction
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,534,844Method for the continuous sintering of mineral material and sintering equipment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,147,756Device for carrying out a chemical or physical treatment
In force
Term ended Nov 13, 2026 · From the USPTO record
In forceTerm ended Nov 13, 2026From the USPTO record
Also on record, not counted in the 8: 103 patents in force now held by others · 97 lapsed for an unpaid fee · 70 ended at full term · 1 surrendered on reissue. 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 abandoned · 36 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