Vallourec Tubes
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
May 2029
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 16, 2026The maintenance fee for Method for Producing Seamless Tubes by Means of a Three-Roll Bar Rolling Mill (US 9,056,341) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
- 1 fee due Mar 19, 2027The maintenance fee for High Tensile and High Toughness Steels (US 11,761,051) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
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
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,865,061 | Steel alloy for a low-alloy steel for producing high-strength seamless steel tubing In force · From the USPTO record | In force | From the USPTO record | |
| US 8,363,101 | Method and device for optically measuring external threads In force · From the USPTO record | In force | From the USPTO record | |
| US 9,056,341 | Method for Producing Seamless Tubes by Means of a Three-Roll Bar Rolling Mill In force · High confidence | In force | High confidence | |
| US 10,100,384 | Method for producing a tempered seamlessly hot-fabricated steel pipe In force · From the USPTO record | In force | From the USPTO record | |
| US 10,695,809 | Method for producing hot-rolled seamless pipes having thickened ends In force · From the USPTO record | In force | From the USPTO record | |
| US 11,021,769 | Micro alloyed steel and method for producing said steel In force · From the USPTO record | In force | From the USPTO record | |
| US 11,761,051 | High Tensile and High Toughness Steels In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 1 patent 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.