The Patent Finder

GDF Suez

7 patents currently held · Updated Nov 14, 2026
8 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.

Recorded as renamed to Engie (2017)

2
Ending by 2030
Dec 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 Jul 26, 2027
    The maintenance fee for Method for operating a horizontal drilling device and horizontal drilling device (US 9,243,453) comes due Jul 26, 2027. Unpaid by Jan 26, 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.

Showing 1 to 7 of 7

PatentTitleStatus Expires Confidence
US 9,517,960Process of Operating a Glass Melting Oven
In force
 · High confidence
In forceHigh confidence
US 8,092,948Energy Production Unit Integrating a Burner and a Fuel Cell
In force
 · High confidence
In forceHigh confidence
US 9,243,453Method for operating a horizontal drilling device and horizontal drilling device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,347,267Horizontal drilling device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,523,240Method for producing a horizontal bore in the ground and horizontal drilling device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,926,239Methanation process and reactor for reacting hydrogen with at least one carbon-based compound and producing methane and water
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,957,452Method and device for treating a synthesis gas from a biomass gasification step
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 7: 8 patents in force now held by others · 15 lapsed for an unpaid fee · 40 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 · 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