The Patent Finder

Eleappower Ltd.

15 patents currently held · Updated Nov 14, 2026
2 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.

Previously recorded as Havelaar Canada Industrial R & D Laboratory Ltd. (to 2021)

0
Ending by 2030
Apr 2034
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 Feb 8, 2027
    The maintenance fee for Electric Vehicle Power-Hub and Operating Modes Thereof (US 11,718,193) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
  • 1 fee due Apr 24, 2027
    The maintenance fee for On-Board Bidirectional Ac Fast Charger for Electric Vehicles (US 11,799,292) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
  • 2 fees due Oct 9 to 30, 2027 · next Oct 9

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was 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 9,935,544Method for power transfer between DC circuits
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,370,910Systems and Methods for Constant Current Fast Charging of Electric Vehicles
In force
 · High confidence
In forceHigh confidence
US 11,435,405Electrical Architecture for Electrochemical Impedance Spectroscopy
In force
 · High confidence
In forceHigh confidence
US 11,799,292On-Board Bidirectional Ac Fast Charger for Electric Vehicles
In force
 · High confidence
In forceHigh confidence
US 12,170,493Systems and Methods for an On-Board Fast Charger
In force
 · High confidence
In forceHigh confidence
US 11,482,948Systems and Methods for an On-Board Fast Charger
In force
 · High confidence
In forceHigh confidence
US 11,970,067Constant Current Fast Charging of Electric Vehicles via DC Grid Using Dual Inverter Drive
In force
 · High confidence
In forceHigh confidence
US 11,951,855Integrated Three-Phase Ac Charger for Vehicle Applications with Dual-Inverter Drive
In force
 · High confidence
In forceHigh confidence
US 11,718,193Electric Vehicle Power-Hub and Operating Modes Thereof
In force
 · High confidence
In forceHigh confidence
US 12,334,837Converter Modulation for Reduction of Common-Mode Leakage Current
In force
 · High confidence
In forceHigh confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
Also on record, not counted in the 15: 2 patents in force now held by others. 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.

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.

1 pending

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