The Patent Finder

Ltag Systems LLC

38 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2036
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 Jan 25, 2027
    The maintenance fee for Activated Aluminum Fuel (US 11,708,631) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
  • 1 fee due Feb 28, 2027
    The maintenance fee for Inflatable structure deployment (US 11,738,849) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, it lapses early.
  • 1 fee due Mar 26, 2027
    The maintenance fee for Packaging water-reactive aluminum (US 11,767,137) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
  • 2 fees due Apr 3, 2027
  • 1 fee due Jun 12, 2027
    The maintenance fee for Controlling Reactability of Water-Reactive Aluminum (US 11,840,451) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
  • 1 fee due Jul 9, 2027
    The maintenance fee for Payload deployment from aerostats (US 11,866,196) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
  • 2 fees due Oct 16 to 23, 2027 · next Oct 16

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted 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 11,268,180Structure Inflation Using Activated Aluminum
In force
 · High confidence
In forceHigh confidence
US 11,603,587Activated Aluminum Fuel
In force
 · High confidence
In forceHigh confidence
US 11,629,396Activated Aluminum Fuel
In force
 · High confidence
In forceHigh confidence
US 11,708,631Activated Aluminum Fuel
In force
 · High confidence
In forceHigh confidence
US 10,745,789Activated Aluminum Fuel
In force
 · High confidence
In forceHigh confidence
US 11,130,557Controlling lifting gas in inflatable structures
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,187,405Controlling lifting gas in inflatable structures
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,111,141Storing Activated Aluminum
In force
 · High confidence
In forceHigh confidence
US 11,161,579Systems, Modules, and Submersible Vehicles for Collecting Material from a Seafloor
In force
 · Medium confidence
In forceMedium confidence
US 12,139,403Storing Activated Aluminum
In force
 · High confidence
In forceHigh confidence
10 of 38 patents shown.
Pro members see all 38.
Pro members: see all 38 patents

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.

2 abandoned · 2 no status recorded

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