BNNT, LLC

29 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2034

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 21, 2026
The maintenance fee for Target holders, multiple-incidence angle, and multizone heating for BNNT synthesis (US 10,294,106) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
2 fees due Jan 9 to 11, 2027 · next Jan 9
3 fees due Apr 15 to 24, 2027 · next Apr 15
1 fee due May 28, 2027
The maintenance fee for Free electron laser orbital debris removal system (US 11,831,122) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
1 fee due Jun 3, 2027
The maintenance fee for Target holders, multiple-incidence angle, and multizone heating for BNNT synthesis (US 10,494,260) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.
1 fee due Jul 9, 2027
The maintenance fee for Boron nitride nanotube materials for cryopumps and other large volume configurations (US 11,866,327) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
1 fee due Aug 25, 2027
The maintenance fee for Boron Nitride Nanotube Enhanced Electrical Components (US 10,573,576) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
1 fee due Sep 5, 2027
The maintenance fee for Boron nitride nanotube synthesis via direct induction (US 11,919,771) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
1 fee due Nov 5, 2027
The maintenance fee for Induction-coupled plasma synthesis of boron nitrade nanotubes (US 10,640,378) comes due Nov 5, 2027. Unpaid by May 5, 2028, 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.

Patent	Title	Status	Expires	Confidence
US 9,776,865	Induction-coupled plasma synthesis of boron nitride nanotubes In force Ends no later than Oct 31, 2034 · From the USPTO record	In force	Ends no later than Oct 31, 2034	From the USPTO record
US 10,035,705	Induction-coupled plasma synthesis of boron nitride nanotubes In force Ends no later than Oct 31, 2034 · From the USPTO record	In force	Ends no later than Oct 31, 2034	From the USPTO record
US 10,640,378	Induction-coupled plasma synthesis of boron nitrade nanotubes In force Ends no later than Oct 31, 2034 · From the USPTO record	In force	Ends no later than Oct 31, 2034	From the USPTO record
US 9,463,433	Nano-Materials for Adhesive-Free Adsorbers for Bakable Extreme High Vacuum Cryopump Surfaces In force Term ends Apr 21, 2035 · High confidence	In force	Term ends Apr 21, 2035	High confidence
US 10,167,195	Continuous Boron Nitride Nanotube Fibers In force Term ends Apr 24, 2035 · High confidence	In force	Term ends Apr 24, 2035	High confidence
US 10,696,551	Continuous boron nitride nanotube fibers In force Ends no later than Apr 24, 2035 · From the USPTO record	In force	Ends no later than Apr 24, 2035	From the USPTO record
US 11,623,865	Continuous Boron Nitride Nanotube Fibers In force Term ends Jun 28, 2035 · Medium confidence	In force	Term ends Jun 28, 2035	Medium confidence
US 9,745,192	Target holders, multiple incidence angle, and multizone heating for BNNT synthesis In force Term ends Nov 2, 2035 · From the USPTO record	In force	Term ends Nov 2, 2035	From the USPTO record
US 10,294,106	Target holders, multiple-incidence angle, and multizone heating for BNNT synthesis In force Term ends Nov 2, 2035 · From the USPTO record	In force	Term ends Nov 2, 2035	From the USPTO record
US 10,494,260	Target holders, multiple-incidence angle, and multizone heating for BNNT synthesis In force Ends no later than Nov 2, 2035 · From the USPTO record	In force	Ends no later than Nov 2, 2035	From the USPTO record

10 of 29 patents shown.

Pro members see all 29.

Pro members: see all 29 patents

Also on record, not counted in the 29: 4 lapsed for an unpaid fee. 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.

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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 pending · 5 no status recorded

List them