Per Aarsleff A/S
3 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 under 2 name spellings.
0
Ending by 2030
Jan 2038
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 2, 2027The maintenance fee for Light curing device for curing a liner of a pipeline (US 11,859,753) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 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.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,247,687 | Assembly for relining a junction between a branch pipeline and a main pipeline, and for relining a part of or the whole branch pipeline In force · From the USPTO record | In force | From the USPTO record | |
| US 11,859,753 | Light curing device for curing a liner of a pipeline In force · From the USPTO record | In force | From the USPTO record | |
| US 11,131,418 | Assembly for relining a junction between a branch pipeline and a main pipeline, and for relining a part of or the whole branch pipeline In force · From the USPTO record | In force | From the USPTO record | |
| US 12,510,204 | Apparatus for curing a liner In force · From the USPTO record | In force | From the USPTO record | |
| US 12,709,045 | Device, System and Method for Curing a Tube Liner In force · High confidence | In force | High confidence |
Also on record, not counted in the 5: 3 patents 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.
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 pending