X-Flow B.V.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Jul 2028
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 Feb 27, 2027The maintenance fee for End Cap Filtration Module, Filtration Module and Filtration System (US 10,391,453) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
- 1 fee due Mar 3, 2027The maintenance fee for A Tubular Membrane with a Helical Ridge, as Well as a Method and Apparatus for Producing Such a Tubular Membrane (US 10,399,038) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
Recent changes
- 1 term has ended 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.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,227,396 | Method for Cleaning Processing Equipment Selected from the Group Consisting of Filters In force · High confidence | In force | High confidence | |
| US 8,801,867 | Method for Cleaning Filter Membranes In force · High confidence | In force | High confidence | |
| US 10,266,439 | Method for Cleaning Membranes and an Inlet Side of a Membrane Filtration Module of an Apparatus Having a Bioreactor and Membrane Filtration Module for Treatment of an Incoming Fluid In force · High confidence | In force | High confidence | |
| US 9,504,964 | Filtration Method for Operating a Filtration Module with Gas Feed at Its Permeate Side to Prevent Backflow of Permeate In force · High confidence | In force | High confidence | |
| US 11,179,679 | Tubular Membrane With A Helical Ridge, As Well As A Method And Apparatus For Producing Such A Tubular Membrane In force · High confidence | In force | High confidence | |
| US 10,391,453 | End Cap Filtration Module, Filtration Module and Filtration System In force · High confidence | In force | High confidence | |
| US 10,399,038 | A Tubular Membrane with a Helical Ridge, as Well as a Method and Apparatus for Producing Such a Tubular Membrane In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 5 lapsed for an unpaid fee · 19 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 abandoned