Treau, Inc.

11 patents currently held · Updated Nov 14, 2026

3 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.

Recorded under 2 name spellings.

Ending by 2030

Mar 2030

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 Apr 10, 2027
The maintenance fee for Window-mounted climate control system and method (US 11,781,758) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were 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 11,619,402	Modular Air Conditioning System In force Term ends Mar 15, 2030 · Medium confidence	In force	Term ends Mar 15, 2030	Medium confidence
US 11,781,758	Window-mounted climate control system and method In force Term ends Mar 15, 2030 · From the USPTO record	In force	Term ends Mar 15, 2030	From the USPTO record
US 10,775,054	Modular air conditioning system In force Term ends Sep 4, 2030 · From the USPTO record	In force	Term ends Sep 4, 2030	From the USPTO record
US 11,078,896	Roll diaphragm compressor and low-pressure vapor compression cycles In force Term ends Apr 1, 2039 · From the USPTO record	In force	Term ends Apr 1, 2039	From the USPTO record
US D1,052,710	Air conditioner In force Term ends Nov 26, 2039 · From the USPTO record	In force	Term ends Nov 26, 2039	From the USPTO record
US 11,253,958	Polymer Film Heat Exchanger Sealing System and Method In force Term ends Jan 30, 2040 · High confidence	In force	Term ends Jan 30, 2040	High confidence
US 11,173,575	Film Heat Exchanger Coupling System and Method In force Term ends Feb 17, 2040 · High confidence	In force	Term ends Feb 17, 2040	High confidence
US 11,498,163	Window Installation System and Method for Split-Architecture Air Conditioning Unit In force Term ends Jan 27, 2041 · High confidence	In force	Term ends Jan 27, 2041	High confidence
US 12,246,402	Window Installation System and Method for Split-Architecture Air Conditioning Unit In force Term ends Feb 22, 2041 · High confidence	In force	Term ends Feb 22, 2041	High confidence
US 12,736,271	Meltwater Management Systems and Methods for Cold-Climate Heat Pumps In force Term ends Jun 25, 2044 · High confidence	In force	Term ends Jun 25, 2044	High confidence

10 of 11 patents shown.

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Pro members: see all 11 patents

Also on record, not counted in the 11: 3 patents in force now held by others. 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 pending · 1 abandoned · 4 no status recorded

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