22 patents currently held

86 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.

2 more records may belong here and await a decision; they are not counted.

The next term ends in Jul 2030. from the record

Of the 86 now held by other companies, 41 name Safran Ceramics as their current owner, and 45 more name another party. Each row says which.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Jul 2030

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029203020312032 2033 2034 2035 2036 203720382039204020412042204320442045

notable patents fee due within 90 days all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Method for Producing a Turbomachine Blade Made from a Composite Material US 8,607,454

The most cited patent in this portfolio, cited by 65 later US patents, top 10% of utility patents granted in 2013 in our data. Protection runs to 2030.

Ends Jul 2030 · High confidence Also notable

Turbine Ring Assembly US 9,080,463

Cited by 62 later US patents, top 10% of utility patents granted in 2015 in our data, and renewed at every maintenance window due so far. Protection runs to 2032.

Ends Feb 2032 · High confidence Also notable

Turbine Engine Blade or Vane Made of Composite Material, Turbine Nozzle or Compressor Stator Incorporating Such Vanes and Method of Fabricating Same US 9,506,355

Cited by 31 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.

Ends Jun 2034 · High confidence

Formerly held, still cited

Notable

Composite Material Turbine Engine Vane, and Method for Manufacturing Same US 9,080,454

Cited by 58 later US patents, top 10% of utility patents granted in 2015 in our data, and renewed at every maintenance window due so far. Protection runs to 2032. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.

now held by Safran Aircraft Engines

Ends no later than Oct 2032 · Medium confidence

Also notable

Method of Densifying Thin Porous Substrates by Chemical Vapor Infiltration, and a Loading Device for Such Substrates US 8,163,088

Cited by 34 later US patents, top 25% of utility patents granted in 2012 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028.

now held by Safran Ceramics

Ends Jul 2028 · High confidence

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.

2 fees due Jan 14 to 23, 2027 · next Jan 14
2 fees due Apr 13 to 15, 2027 · next Apr 13
2 fees due May 17 to 24, 2027 · next May 17
1 fee due Jul 21, 2027
The maintenance fee for Method of Optimizing the Profile of a Composite Material Blade for Rotor Wheel of a Turbine Engine, and a Blade Having a Compensated Tang (US 10,539,028) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
1 fee due Sep 17, 2027
The maintenance fee for Turbine Ring Assembly Made from Ceramic Matrix Composite Material (US 10,590,803) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended since Aug 16, 2026

What they patent

The 5 largest of its 21 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Turbine Engine Blade or Vane Made of Composite Material, Turbine Nozzle or Compressor Stator Incorporating Such Vanes and Method of Fabricating Same	2 in force	to Jun 2034
Method of Optimizing the Profile of a Composite Material Blade for Rotor Wheel of a Turbine Engine, and a Blade Having a Compensated Tang	1 in force	to Apr 2037
Turbine Ring Assembly Made from Ceramic Matrix Composite Material	1 in force	to Jul 2036
Sized Yarn Intended to Undergo a Textile Operation	1 in force	to Nov 2035
Assembly Formed by a Turbine Nozzle or a Compressor Diffuser Made of CMC for a Turbine Engine and by an Abradable Material Support Ring, and a Turbine or a Compressor Incorporating Such an Assembly	1 in force	to Nov 2034

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 8,607,454	Method for Producing a Turbomachine Blade Made from a Composite Material In force Term ends Jul 20, 2030 · High confidence	In force	Term ends Jul 20, 2030	High confidence
US 9,784,217	Low-Thickness Thermostructural Composite Material Part, and Manufacture Method In force Term ends Oct 26, 2030 · High confidence	In force	Term ends Oct 26, 2030	High confidence
US 8,685,868	Reinforcing Fibrous Structure for a Composite Material and a Part Containing Said Structure In force Term ends Nov 4, 2030 · High confidence	In force	Term ends Nov 4, 2030	High confidence
US 9,080,463	Turbine Ring Assembly In force Term ends Feb 21, 2032 · High confidence	In force	Term ends Feb 21, 2032	High confidence
US 9,022,733	Turbine Distributor Element Made of CMC, Method for Making Same, Distributor and Gas Turbine Including Same In force Term ends Mar 6, 2032 · High confidence	In force	Term ends Mar 6, 2032	High confidence
US 9,157,330	Layout of a Blisk held by SNECMA and Herakles In force Term ends Jun 21, 2032 · High confidence	In force	Term ends Jun 21, 2032	High confidence
US 9,194,240	Vibration Damper Comprising a Peg Between Outer Platforms of Adjacent Composite-Material Blades of a Turbine Engine Rotor Wheel held by SNECMA and Herakles In force Term ends Jan 1, 2033 · High confidence	In force	Term ends Jan 1, 2033	High confidence
US 9,188,014	Vibration Damper Comprising a Strip and Jackets Between Outer Platforms of Adjacent Composite-Material Blades of a Turbine Engine Rotor Wheel held by SNECMA and Herakles In force Term ends Jan 3, 2033 · High confidence	In force	Term ends Jan 3, 2033	High confidence
US 8,801,382	Rotor for Turbomachinery In force Term ends Feb 20, 2033 · High confidence	In force	Term ends Feb 20, 2033	High confidence
US 8,951,017	Turbomachine Blade, a Rotor, a Low Pressure Turbine, and a Turbomachine Fitted with Such a Blade In force Term ends Jun 20, 2033 · High confidence	In force	Term ends Jun 20, 2033	High confidence

10 of 22 patents shown.

Pro members see all 22.

Pro members: see all 22 patents

Also on record, not counted in the 22: 86 patents in force now held by others · 94 patents ended · 25 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro

Herakles