Drillmec S.P.A.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
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 Mar 26, 2027The maintenance fee for Valve element for drilling elements, drilling elements and method for assembling the valve element to drilling elements (US 11,767,724) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
- 2 fees due May 10 to 26, 2027 · next May 10
- 1 fee due Aug 2, 2027The maintenance fee for Method for automatic handling of drilling rods and tubular wellbore elements, excavation equipment and associated computer program (US 9,249,635) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,316,588 | Rig for drilling or maintaining oil wells In force · From the USPTO record | In force | From the USPTO record | |
| US 8,820,719 | Draw-works for maneuvering of drilling devices In force · From the USPTO record | In force | From the USPTO record | |
| US 9,181,765 | Parking and automatic handling equipment of drilling rods and associated drilling machine In force · From the USPTO record | In force | From the USPTO record | |
| US 9,249,635 | Method for automatic handling of drilling rods and tubular wellbore elements, excavation equipment and associated computer program In force · From the USPTO record | In force | From the USPTO record | |
| US 8,991,107 | Mast for Drilling Rigs and Methods of Assembling the Same In force · High confidence | In force | High confidence | |
| US 9,574,403 | Mobile drilling rig In force · From the USPTO record | In force | From the USPTO record | |
| US 9,976,366 | Valve assembly for drilling mud circulation and associated drilling elements In force · From the USPTO record | In force | From the USPTO record | |
| US 10,662,717 | Telescopic mast for drilling and associated drilling rig In force · From the USPTO record | In force | From the USPTO record | |
| US 10,113,379 | Method of assembly of a string of elements for deepwater drilling and ultradeep obstruction element and corresponding use of the same in said drilling string In force · From the USPTO record | In force | From the USPTO record | |
| US 10,145,184 | Anti-friction device of drilling elements In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 1 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 no status recorded