Coretrax Global Limited

23 patents currently held · Updated Nov 14, 2026

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

Recorded under 2 name spellings.

Ending by 2030

Oct 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.

1 fee due Jan 9, 2027
The maintenance fee for Method for launching a cleaning element (US 10,344,566) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
2 fees due Apr 29 to 30, 2027 · next Apr 29
1 fee due May 5, 2027
The maintenance fee for Support device for use in a wellbore and a method for deploying a barrier in a wellbore (US 10,465,476) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
1 fee due Jul 28, 2027
The maintenance fee for Method and apparatus for severing a drill string (US 10,544,655) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
1 fee due Sep 17, 2027
The maintenance fee for Downhole sealing and actuation (US 10,590,737) comes due Sep 17, 2027. Unpaid by Mar 17, 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.

Patent	Title	Status	Expires	Confidence
US 7,975,766	Top filling tubing In force Term ends Oct 5, 2027 · From the USPTO record	In force	Term ends Oct 5, 2027	From the USPTO record
US 9,593,545	Downhole material delivery In force Term ends May 7, 2030 · From the USPTO record	In force	Term ends May 7, 2030	From the USPTO record
US 10,267,107	Downhole Tool In force Term ends Jun 2, 2030 · Medium confidence	In force	Term ends Jun 2, 2030	Medium confidence
US 8,915,299	Apparatus for use in top filling of tubulars and associated methods In force Term ends Aug 12, 2030 · From the USPTO record	In force	Term ends Aug 12, 2030	From the USPTO record
US 8,899,335	Downhole tool In force Term ends Feb 21, 2031 · From the USPTO record	In force	Term ends Feb 21, 2031	From the USPTO record
US 9,453,379	Downhole tool In force Term ends Oct 26, 2031 · From the USPTO record	In force	Term ends Oct 26, 2031	From the USPTO record
US 9,422,787	Support device for use in a wellbore and a method for deploying a barrier in a wellbore In force Term ends Apr 25, 2033 · From the USPTO record	In force	Term ends Apr 25, 2033	From the USPTO record
US 10,088,064	Drill string check valve In force Term ends Dec 24, 2033 · From the USPTO record	In force	Term ends Dec 24, 2033	From the USPTO record
US 9,828,818	Downhole apparatus In force Term ends Dec 26, 2033 · From the USPTO record	In force	Term ends Dec 26, 2033	From the USPTO record
US 9,920,583	Drill string check valve In force Term ends Nov 7, 2034 · From the USPTO record	In force	Term ends Nov 7, 2034	From the USPTO record

10 of 23 patents shown.

Pro members see all 23.

Pro members: see all 23 patents

Also on record, not counted in the 23: 4 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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.