The Patent Finder
FI

Firefly IP Co., LLC

First filing 2010
OverviewNotableFeesChangesPatent listSources & methods

0 patents currently held, every record listed here

7 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.

This portfolio holds none of the 7 US patents in force on its record. from the record

Of the 7 now held by other companies, 7 name Firefly Aerospace Inc. as their current owner. Each row says so.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end

When these terms end

Each bar runs from grant to computed term end. 2021 to 2040.
US 11,333,104 Liquid Rocket Engine Cross Impinged Propellant Injection Jan 24, 2039
US 11,746,729 Method or Manufacturing a Liquid Rocket Engine Thruster Body Jan 24, 2039
US 11,391,247 Liquid Rocket Engine Cooling Channels Mar 26, 2039
US 11,384,713 Liquid Rocket Engine Tap-Off Power Source Sep 26, 2039
US 11,692,515 Liquid Rocket Engine Tap-Off Power Source Sep 26, 2039
US 11,008,977 Liquid Rocket Engine Tap-Off Power Source Dec 23, 2039
US 11,846,251 Liquid Rocket Engine Booster Engine with Combustion Gas Fuel Source Apr 24, 2040
20252029203320372040
Every computed term in this portfolio is shown above.Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.

Formerly held, still cited

Notable
The earliest of the three still in force, granted 2021 and renewed since. Its term ends first, in 2039.
Ends Dec 2039 · High confidence
Also notable
The newest of the three, granted 2023. It anchors the portfolio to 2039, later than anything else here.
Ends Jan 2039 · High confidence
Also notable Ends Jan 2039 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first.
Also on record: 7 patents in force now held by others · 1 patent ended · 1 application 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
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