Synopex Membrane Inc.

14 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Jan 2032

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 May 12, 2027
The maintenance fee for Hollow fiber membrane and method of preparing the same (US 10,471,395) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.

Which patents, and when each one lapses · Pro

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 8,827,085	Monofilament-Reinforced Hollow Fiber Membrane In force Term ends Jan 29, 2032 · High confidence	In force	Term ends Jan 29, 2032	High confidence
US 10,737,223	Monofilament-Reinforced Hollow Fiber Membrane with Scalloped Lumen In force Term ends Apr 5, 2032 · High confidence	In force	Term ends Apr 5, 2032	High confidence
US 10,046,281	Monofilament-Reinforced Hollow Fiber Membrane with Scalloped Lumen In force Term ends Oct 17, 2032 · High confidence	In force	Term ends Oct 17, 2032	High confidence
US 9,561,475	Monofilament-Reinforced Hollow Fiber Membrane In force Term ends Oct 19, 2032 · High confidence	In force	Term ends Oct 19, 2032	High confidence
US 10,046,277	Hollow Fiber Membrane Module and Method for Preparing the Same In force Term ends May 6, 2034 · High confidence	In force	Term ends May 6, 2034	High confidence
US 9,675,936	Hollow Fiber Membrane Module In force Term ends May 7, 2034 · High confidence	In force	Term ends May 7, 2034	High confidence
US 10,005,039	System for Cleaning Membrane, and Method for Cleaning Membrane Using Same In force Term ends Jul 28, 2034 · High confidence	In force	Term ends Jul 28, 2034	High confidence
US 10,828,607	Aerator Device, Filter System Including an Aerator Device, and Method of Aerating a Filter Using an Aerator Device In force Term ends Sep 19, 2034 · High confidence	In force	Term ends Sep 19, 2034	High confidence
US 10,155,202	Hollow Fibre Membrane Module, Manufacturing Method Therefor, Header Apparatus for Hollow Fibre Membrane Module and Hollow Fibre Membrane Restraining Apparatus In force Term ends Apr 6, 2035 · High confidence	In force	Term ends Apr 6, 2035	High confidence
US 9,492,789	Draw Solute for Forward Osmosis, Forward Osmosis Water Treatment Device, and Forward Osmosis Method for Water Treatment In force Term ends Apr 30, 2035 · High confidence	In force	Term ends Apr 30, 2035	High confidence

10 of 14 patents shown.

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Pro members: see all 14 patents

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.

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