The Patent Finder

Sonaca S.A.

13 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

4
Ending by 2030
Aug 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 Dec 6, 2026
    The maintenance fee for Ice protection and boundary layer suction system for an aircraft aerofoil (US 11,667,387) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
  • 1 fee due Jan 9, 2027
    The maintenance fee for Hybrid airship with a flexible compartmented exterior envelope (US 10,343,760) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 terms have 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.
PatentTitleStatus Expires Confidence
US 7,731,128Mobile leading edge flap for a main wing of the aerofoils of an aircraft and main wing provided with such a flap
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,079,130Method for assembling sheets by riveting
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,533,932Device and process for assembly of panels using riveting
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,408,500Cable carrier chain for leading edge mobile slat for an aircraft wing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,662,853Process for manufacturing a panel comprising at least one honeycomb body and a first skin made from a composite material
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,604,425Method for producing a leading edge skin by baking a stack incorporating heating elements and layers of pre-impregnated fibres
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,683,084System for dual management of anti-icing and boundary layer suction on an aerofoil of an aircraft, including a function of collecting the anti-icing air
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,793,253Aircraft wing comprising a movable flap and a housing for accommodating flexible piping
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,343,760Hybrid airship with a flexible compartmented exterior envelope
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,981,644Assembly for aircraft comprising a moveable bearing surface supported by a drive shaft passing through a slit provided with a seal with improved sealing efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
Also on record, not counted in the 13: 2 lapsed for an unpaid fee · 4 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.

1 pending

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