Evac Oy

13 patents currently held · Updated Nov 14, 2026

2 more in force are now held by other companies

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

Ending by 2030

Aug 2027

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.

2 fees due Mar 24 to 26, 2027 · next Mar 24

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 7,845,028	Vacuum Sewer System In force Term ends Aug 25, 2027 · High confidence	In force	Term ends Aug 25, 2027	High confidence
US 8,381,324	Vacuum sewage system In force Term ends Jun 20, 2029 · From the USPTO record	In force	Term ends Jun 20, 2029	From the USPTO record
US 9,428,887	Flushing water container system for flushing water of a mobile toilet In force Term ends Jun 30, 2033 · From the USPTO record	In force	Term ends Jun 30, 2033	From the USPTO record
US D891,592	Toilet In force Term ends Jul 28, 2035 · From the USPTO record	In force	Term ends Jul 28, 2035	From the USPTO record
US 10,422,117	Sanitary unit with monitoring device In force Term ends Oct 21, 2035 · From the USPTO record	In force	Term ends Oct 21, 2035	From the USPTO record
US 10,655,317	Method for controlling a vacuum sewage system for a building or for a marine vessel In force Term ends Jan 25, 2037 · From the USPTO record	In force	Term ends Jan 25, 2037	From the USPTO record
US 10,767,360	Toilet arrangement In force Term ends Feb 7, 2037 · From the USPTO record	In force	Term ends Feb 7, 2037	From the USPTO record
US 11,391,031	Method of controlling a vacuum waste system and a vacuum waste system In force Term ends Jul 1, 2037 · From the USPTO record	In force	Term ends Jul 1, 2037	From the USPTO record
US 11,267,743	Method and system for treatment of organic waste In force Term ends Jan 23, 2039 · From the USPTO record	In force	Term ends Jan 23, 2039	From the USPTO record
US 11,767,249	Method and system for treatment of organic waste In force Term ends Jan 23, 2039 · From the USPTO record	In force	Term ends Jan 23, 2039	From the USPTO record

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 2 patents in force now held by others · 1 lapsed for an unpaid fee · 11 ended at full term · 1 surrendered on reissue. 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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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.

1 no status recorded

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