The Patent Finder

Fev GmbH

5 patents currently held · Updated Nov 14, 2026
2 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 FEV Europe GmbH (2020)

0
Ending by 2030
Aug 2035
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 14, 2026
    The maintenance fee for Exhaust purification system and method of desulfurizing lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst (US 10,287,944) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 16, 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 5 of 5

PatentTitleStatus Expires Confidence
US 10,202,900Positioning the Switching Element for a Mechanically Switched VCR Connecting Rod
In force
 · High confidence
In forceHigh confidence
US 9,551,252SYSTEM AND METHOD OF PURIFYING EXHAUST GAS PROVIDED WITH LEAN NOx TRAP AND SELECTIVE CATALYTIC REDUCTION CATALYST
In force
 · High confidence
In forceHigh confidence
US 10,146,192Method for adjusting at least one control parameter of an internal combustion engine
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,180,177Centrifugal Mass Arrangement for the Balancing of Rotational Accelerations of an Engine Housing
In force
 · High confidence
In forceHigh confidence
US 10,287,944Exhaust purification system and method of desulfurizing lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 5: 2 patents in force now held by others · 36 lapsed for an unpaid fee · 1 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.

11 no status recorded

List them

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