Warrior Rig Technologies Limited
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Feb 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 24, 2027The maintenance fee for Pipe handling apparatus and methods (US 10,422,192) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
- 1 fee due Apr 13, 2027The maintenance fee for Portable pipe handling system (US 9,157,286) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for High efficiency drilling and tripping system (US 10,570,677) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
- 1 fee due Sep 29, 2027The maintenance fee for Top drive with slewing power transmission (US 9,297,223) comes due Sep 29, 2027. Unpaid by Mar 29, 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 8,863,621 | Power tong In force · From the USPTO record | In force | From the USPTO record | |
| US 8,109,179 | Power tong In force · From the USPTO record | In force | From the USPTO record | |
| US 9,297,223 | Top drive with slewing power transmission In force · From the USPTO record | In force | From the USPTO record | |
| US 9,528,332 | Power tong In force · From the USPTO record | In force | From the USPTO record | |
| US 9,157,286 | Portable pipe handling system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,551,185 | Top drive In force · From the USPTO record | In force | From the USPTO record | |
| US 9,879,486 | Portable pipe handling system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,017,194 | Top Drive In force · High confidence | In force | High confidence | |
| US 10,422,192 | Pipe handling apparatus and methods In force · From the USPTO record | In force | From the USPTO record | |
| US 9,803,436 | Integrated casing drive In force · From the USPTO record | In force | From the USPTO record |
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.
3 no status recorded