The Patent Finder

Engie

17 patents currently held · Updated Nov 14, 2026
9 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 GDF Suez (to 2017)

0
Ending by 2030
Jun 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 Aug 18, 2027
    The maintenance fee for Electronic device intended for being inserting into a pipe, and method for installing the device (US 10,563,803) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
  • 2 fees due Sep 30, 2027

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 10,179,882System and Method for Injecting Liquid Odorant into a Natural Gas Pipeline
In force
 · High confidence
In forceHigh confidence
US 10,605,396Tool for working on the wall of a pipe and related method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,605,397Tool for working on the wall of a pipe and related method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,215,323Tool for working on the wall of a pipe and related method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,230,142Energy Generation System Combining a Fuel Cell and a Rechargeable Battery and Methods Implementing Such a System
In force
 · High confidence
In forceHigh confidence
US 10,563,803Electronic device intended for being inserting into a pipe, and method for installing the device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,962,175Method and system for calculating, in real-time, the duration of autonomy of a non-refrigerated tank containing LNG
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,353,441Method for calculating in real time the methane number MN in the liquid phase of a liquefied natural gas
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,161,764Combustion method applied to melting materials such as glass in an end-fired furnace
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,117,843Method for converting a gas comprising carbon monoxide into methane by means of a catalytic material containing praseodymium and nickel on alumina
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
Also on record, not counted in the 17: 9 patents in force now held by others · 4 lapsed for an unpaid fee · 3 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.

2 pending · 2 abandoned · 15 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