Wilo SE
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Aug 2027
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 Jun 30, 2027The maintenance fee for Method of operating a pressurized drainage system for wastewater (US 10,519,948) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
Recent changes
- 4 of the patents on this record were granted since Aug 16, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,938,404 | Slide ring seal In force · From the USPTO record | In force | From the USPTO record | |
| US 8,196,286 | Coil holding assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,465,253 | Pump housing with two-point mount In force · From the USPTO record | In force | From the USPTO record | |
| US 8,535,001 | Fastening of the rotor of a centrifugal pump In force · From the USPTO record | In force | From the USPTO record | |
| US 9,920,758 | Eccentric screw pump with overpressure protection In force · From the USPTO record | In force | From the USPTO record | |
| US D874,522 | Electronic controller for pump/motor unit In force · From the USPTO record | In force | From the USPTO record | |
| US 10,184,476 | Method of determining hydraulic operating point of a pump In force · From the USPTO record | In force | From the USPTO record | |
| US 10,788,040 | Adaptation of the delivery head of a centrifugal pump to a changing volumetric flow rate In force · From the USPTO record | In force | From the USPTO record | |
| US 10,519,948 | Method of operating a pressurized drainage system for wastewater In force · From the USPTO record | In force | From the USPTO record | |
| US 10,883,507 | Method for controlling a centrifugal pump, and associated pump system In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 22: 18 lapsed for an unpaid fee · 20 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 pending · 5 no status recorded