The Patent Finder

SpeedInnov

20 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Apr 2027
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 Dec 13, 2026
    The maintenance fee for Bogie for a Railway Vehicle and Associated Railway Vehicle (US 11,673,589) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
  • 1 fee due Jan 11, 2027
    The maintenance fee for Emergency exit window for a public transport vehicle (US 11,697,438) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
  • 1 fee due Feb 22, 2027
    The maintenance fee for Rail Engine with Technical Equipment Attachment Device (US 11,731,667) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
  • 1 fee due Mar 19, 2027
    The maintenance fee for Railway Vehicle Equipped with an Electrical Storage Body (US 11,760,213) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
  • 1 fee due Apr 3, 2027
    The maintenance fee for Terrace railway car (US 11,772,686) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, 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 7,436,142Method for Maintaining a Direct Voltage at the Input of a Dc/Ac Voltage Converter, Recording Medium for This Method, and Electric Vehicle
In force
 · High confidence
In forceHigh confidence
US D822,541Locomotive
In force
 · High confidence
In forceHigh confidence
US 10,864,925Power car for high-speed train
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,870,438Power car for high-speed train with internal overpressure
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,772,686Terrace railway car
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,167,778Collision energy absorbing system concentrated around the VHS power car and first vehicle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,203,363Method for balancing a component of power provided by two powered inverters, associated grid and railway vehicle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,364,939Pneumatic suspension for railway vehicle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,166,117Sound Diffusion System Embedded in a Railway Vehicle and Associated Vehicle, Method and Computer Program
In force
 · High confidence
In forceHigh confidence
US 11,208,020Seat for transport vehicle and associated transport vehicle
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 20 patents shown.
Pro members see all 20.
Pro members: see all 20 patents
Also on record, not counted in the 20: 4 ended at full term. 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 abandoned

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