Flottweg SE
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Sep 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 Nov 21, 2026The maintenance fee for Solid-bowl screw centrifuge with an outlet device having a restrictor controlled by a floating body that floats on a liquid level of the material being separated in the centrifuge to automatically adjust the outlet in dependence on a throughput of the material (US 10,293,347) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
- 1 fee due Jan 23, 2027The maintenance fee for Solid-wall scroll centrifuge with front wall with discharge opening having a weir edge and an energy recovery device defining a discharge pipe on the outside of the front wall and in front of the discharge opening having the weir edge (US 10,357,784) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
- 1 fee due Sep 10, 2027The maintenance fee for Screw of a solid bowl screw centrifuge (US 10,583,443) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
- 1 fee due Oct 16, 2027The maintenance fee for Method for recovering beer and installation for executing the method (US 11,959,052) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was 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 7,915,458 | Method of and device for increasing the yield of oil production in a process of producing bio-ethanol In force · From the USPTO record | In force | From the USPTO record | |
| US 9,381,522 | Solid-bowl screw-type centrifuge having a connecting flange In force · From the USPTO record | In force | From the USPTO record | |
| US 10,105,716 | Solid bowl centrifuge having a dam edge with an energy recovery device located on the dam edge and at least sections of the dam edge are pivoted toward a rotational direction of the solid bowl centrifuge as viewed from a rotational axis In force · From the USPTO record | In force | From the USPTO record | |
| US 10,105,715 | Solid-bowl screw centrifuge having an energy recovery device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,357,784 | Solid-wall scroll centrifuge with front wall with discharge opening having a weir edge and an energy recovery device defining a discharge pipe on the outside of the front wall and in front of the discharge opening having the weir edge In force · From the USPTO record | In force | From the USPTO record | |
| US 10,583,443 | Screw of a solid bowl screw centrifuge In force · From the USPTO record | In force | From the USPTO record | |
| US 10,265,704 | Solid Bowl Centrifuge with an Outlet Device Having a Deflecting Segment to Deflect Fluid Toward a Circumference of the End Wall and a Guide Downstream of the Deflecting Segment In force · High confidence | In force | High confidence | |
| US 10,293,347 | Solid-bowl screw centrifuge with an outlet device having a restrictor controlled by a floating body that floats on a liquid level of the material being separated in the centrifuge to automatically adjust the outlet in dependence on a throughput of the material In force · From the USPTO record | In force | From the USPTO record | |
| US 11,338,303 | Bearing arrangement of a screw of a solid bowl screw centrifuge In force · From the USPTO record | In force | From the USPTO record | |
| US 11,446,679 | Outlet Device of a Separator In force · High confidence | In force | High confidence |
Also on record, not counted in the 19: 1 lapsed for an unpaid fee · 6 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.
4 pending · 1 no status recorded