Gaztransport et Technigaz
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
0
Ending by 2030
Mar 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.
- 2 fees due Nov 16 to 21, 2026 · next Nov 16
- 2 fees due Dec 11 to 13, 2026 · next Dec 11
- 1 fee due Jan 2, 2027The maintenance fee for Folding device for forming a corrugation in a metal sheet and method for using a folding device (US 10,335,844) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
- 3 fees due Feb 8 to 28, 2027 · next Feb 8
- 2 fees due Mar 17 to 19, 2027 · next Mar 17
- 2 fees due Apr 24, 2027
- 2 fees due May 21 to 28, 2027 · next May 21
- 1 fee due Jun 24, 2027The maintenance fee for Method for estimating a characteristic of a liquefied natural gas load (US 10,515,426) comes due Jun 24, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 1 fee due Jul 23, 2027The maintenance fee for Method for determining an optimal value of at least one parameter for implementing a method for cooling a watertight and thermally insulating tank (US 11,879,598) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
- 3 fees due Aug 6 to 27, 2027 · next Aug 6
- 4 fees due Sep 3 to 22, 2027 · next Sep 3
- 1 fee due Oct 16, 2027The maintenance fee for Method for Detecting a Leak in a Sealed and Thermally Insulating Tank (US 11,959,593) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.
Recent changes
- 5 of the patents on this record were 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,985,042 | Watertightness Barrier for a Wall of a Tank In force · High confidence | In force | High confidence | |
| US 9,291,307 | Attachment of insulating panels onto a supporting wall in a repeating pattern In force · From the USPTO record | In force | From the USPTO record | |
| US 9,360,159 | Fluidtight and thermally insulating tank In force · From the USPTO record | In force | From the USPTO record | |
| US 9,518,700 | Impermeable and thermally insulated tank comprising a metal membrane that is corrugated in orthogonal folds In force · From the USPTO record | In force | From the USPTO record | |
| US 9,982,839 | Impermeable and thermally insulated tank comprising a metal membrane that is corrugated in orthogonal folds In force · From the USPTO record | In force | From the USPTO record | |
| US 10,876,687 | Sealed and thermally insulating wall for a tank for storing fluid In force · From the USPTO record | In force | From the USPTO record | |
| US 9,440,712 | Tank wall comprising a through-element In force · From the USPTO record | In force | From the USPTO record | |
| US 11,073,241 | Uncoupling of the corrugations of an impervious barrier In force · From the USPTO record | In force | From the USPTO record | |
| US 9,731,795 | Handling system for flexible conduit In force · From the USPTO record | In force | From the USPTO record | |
| US 9,919,773 | System for fluid transfer between a ship and a facility, such as a client ship In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 90: 25 lapsed for an unpaid fee · 3 ended at full term · 1 surrendered on reissue. 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.
15 pending · 2 abandoned · 10 no status recorded