The Patent Finder

PSLC LLC

12 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
May 2032
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 Mar 19, 2027
    The maintenance fee for Vehicle battery power source load control (US 11,764,579) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
  • 1 fee due Oct 23, 2027
    The maintenance fee for Power source load control (US 11,967,857) comes due Oct 23, 2027. Unpaid by Apr 24, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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

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 11,183,843Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,040,612Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,237,679Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,237,711Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,592,578Power Source Load Control
In force
 · Medium confidence
In forceMedium confidence
US 11,522,365Inverter power source load dependent frequency control and load shedding
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,027,862Inverter power source load dependent frequency control and load shedding
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,764,579Vehicle battery power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,967,857Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,840,735Power source load control
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 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.
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