3EFLOW AB

9 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

Oct 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 Aug 4, 2027
The maintenance fee for Dampening valve unit (US 10,550,986) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.
1 fee due Oct 7, 2027
The maintenance fee for A Fluid Stop Valve Unit (US 10,612,679) comes due Oct 7, 2027. Unpaid by Apr 7, 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 9 of 9

Patent	Title	Status	Expires	Confidence
US 9,556,596	Tap liquid savings in a liquid distribution system In force Term ends Oct 28, 2030 · From the USPTO record	In force	Term ends Oct 28, 2030	From the USPTO record
US 9,458,611	Method and a liquid distribution system for retaining the temperature of a liquid in the system In force Term ends Mar 19, 2033 · From the USPTO record	In force	Term ends Mar 19, 2033	From the USPTO record
US 10,612,679	A Fluid Stop Valve Unit In force Term ends Jun 21, 2036 · High confidence	In force	Term ends Jun 21, 2036	High confidence
US 10,995,869	Fluid Stop Valve Unit In force Term ends Jun 21, 2036 · High confidence	In force	Term ends Jun 21, 2036	High confidence
US 10,550,986	Dampening valve unit In force Term ends Aug 2, 2036 · From the USPTO record	In force	Term ends Aug 2, 2036	From the USPTO record
US 10,801,736	Liquid distribution unit In force Term ends Apr 18, 2037 · From the USPTO record	In force	Term ends Apr 18, 2037	From the USPTO record
US 10,823,431	Method and a liquid distribution system for saving liquid and thermal energy In force Term ends Jul 22, 2037 · From the USPTO record	In force	Term ends Jul 22, 2037	From the USPTO record
US 10,851,524	Method and apparatus for flow measurement in a fluid distribution system having a number of fluid tap units In force Term ends Dec 20, 2037 · From the USPTO record	In force	Term ends Dec 20, 2037	From the USPTO record
US 11,136,748	Dampening valve unit In force Term ends Jan 8, 2038 · From the USPTO record	In force	Term ends Jan 8, 2038	From the USPTO record

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

Every application published under this name has become a patent.