Kovalus Separation Solutions, LLC

8 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

Aug 2028

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 Nov 10, 2027
The maintenance fee for Membrane Module System with Bundle Enclosures and Pulsed Aeration and Method of Operation (US 9,333,464) comes due Nov 10, 2027. Unpaid by May 10, 2028, 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 8,079,572	Device for Gassing a Liquid In force Term ends Aug 14, 2028 · High confidence	In force	Term ends Aug 14, 2028	High confidence
US D779,631	Gasification Device In force Term ends Feb 21, 2032 · High confidence	In force	Term ends Feb 21, 2032	High confidence
US D779,632	Bundle Body In force Term ends Feb 21, 2032 · High confidence	In force	Term ends Feb 21, 2032	High confidence
US 9,498,753	Method for Sealing Hollow Fiber Membranes In force Term ends Mar 15, 2032 · High confidence	In force	Term ends Mar 15, 2032	High confidence
US 9,968,888	Method for Sealing Hollow Fiber Membranes In force Term ends Mar 15, 2032 · High confidence	In force	Term ends Mar 15, 2032	High confidence
US 9,333,464	Membrane Module System with Bundle Enclosures and Pulsed Aeration and Method of Operation In force Term ends Mar 16, 2035 · Medium confidence	In force	Term ends Mar 16, 2035	Medium confidence
US 10,702,831	Membrane Module System with Bundle Enclosures and Pulsed Aeration and Method of Operation In force Term ends Mar 16, 2035 · Medium confidence	In force	Term ends Mar 16, 2035	Medium confidence
US 9,956,530	Membrane Module System with Bundle Enclosures and Pulsed Aeration and Method of Operation In force Term ends Jun 13, 2035 · Medium confidence	In force	Term ends Jun 13, 2035	Medium confidence

Also on record, not counted in the 8: 1 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.

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