Emerson Process Management Limited

13 patents currently held · Updated Nov 15, 2026

1 more in force is now held by another company

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

Ending by 2030

Jul 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 Mar 10, 2027
The maintenance fee for Leak detection system (US 10,408,701) comes due Mar 10, 2027. Unpaid by Sep 10, 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 8,438,908	Leak detection system and method In force Term ends Jul 25, 2028 · From the USPTO record	In force	Term ends Jul 25, 2028	From the USPTO record
US 8,167,035	Method of forming downhole apparatus, downhole apparatus and centralizer comprising the same In force Term ends Aug 30, 2028 · From the USPTO record	In force	Term ends Aug 30, 2028	From the USPTO record
US 8,339,606	Portal In force Term ends Oct 5, 2028 · From the USPTO record	In force	Term ends Oct 5, 2028	From the USPTO record
US 8,864,106	Valve seat apparatus having positive retention for use with fluid control devices In force Term ends Apr 4, 2031 · From the USPTO record	In force	Term ends Apr 4, 2031	From the USPTO record
US 8,752,633	Cable protector In force Term ends Sep 21, 2031 · From the USPTO record	In force	Term ends Sep 21, 2031	From the USPTO record
US 8,875,792	Apparatus for and method of protecting an umbilical In force Term ends Jan 8, 2032 · From the USPTO record	In force	Term ends Jan 8, 2032	From the USPTO record
US 10,408,701	Leak detection system In force Ends no later than Jul 31, 2035 · From the USPTO record	In force	Ends no later than Jul 31, 2035	From the USPTO record
US 9,939,342	Leak detection system In force Term ends Aug 25, 2035 · From the USPTO record	In force	Term ends Aug 25, 2035	From the USPTO record
US 10,830,660	Leak detection of gas containers using an optical detector In force Term ends Oct 21, 2035 · From the USPTO record	In force	Term ends Oct 21, 2035	From the USPTO record
US 10,724,945	Laser detection system and method In force Term ends Apr 19, 2036 · From the USPTO record	In force	Term ends Apr 19, 2036	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: 1 patent in force now held by others · 6 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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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

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