Workover Solutions, Inc.
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.
0
Ending by 2030
Sep 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 Jan 18 to 30, 2027 · next Jan 18
- 1 fee due Feb 25, 2027The maintenance fee for Apparatus and method for abrasive perforating and cleanout (US 9,115,558) comes due Feb 25, 2027. Unpaid by Aug 25, 2027, it lapses early.
- 1 fee due Apr 10, 2027The maintenance fee for Integrated Milling and Production Device (US 11,781,392) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.
- 1 fee due May 28, 2027The maintenance fee for Downhole plug with integrated slip cover and expansion element (US 11,828,131) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
- 3 fees due Oct 16 to 23, 2027 · next Oct 16
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 9,115,558 | Apparatus and method for abrasive perforating and cleanout In force · From the USPTO record | In force | From the USPTO record | |
| US 10,113,391 | Retrievable back pressure valve and method of using same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,626,701 | Retrievable back pressure valve and method of using same In force · From the USPTO record | In force | From the USPTO record | |
| US 11,220,883 | Retrievable back pressure valve and method of using same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,863,213 | Retrievable back pressure valve and method of using same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,669,808 | Degradable downhole tools and components In force · From the USPTO record | In force | From the USPTO record | |
| US 10,364,642 | Degradable downhole tools and components In force · From the USPTO record | In force | From the USPTO record | |
| US 10,767,439 | Downhole tool having a sealing element constructed from a polyvinyl alcohol compound In force · From the USPTO record | In force | From the USPTO record | |
| US 10,927,648 | Apparatus and method for abrasive perforating and clean-out In force · From the USPTO record | In force | From the USPTO record | |
| US 10,961,797 | Integrated Milling and Production Device In force · High confidence | In force | High confidence |
Also on record, not counted in the 31: 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.
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.
1 pending · 1 no status recorded