BiSN Tec Ltd.

33 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

May 2031

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 Dec 4 to 25, 2026 · next Dec 4
1 fee due Feb 6, 2027
The maintenance fee for Methods and Appartus for Use in Oil and Gas Well Completion (US 10,370,931) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
1 fee due Jul 9, 2027
The maintenance fee for An Expandable Eutectic Alloy Based Downhole Tool and Methods of Deploying Such (US 11,867,020) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was 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 9,708,882	Method and Apparatus for Use in Well Abandonment In force Term ends May 27, 2031 · High confidence	In force	Term ends May 27, 2031	High confidence
US 10,053,951	Method and Apparatus for Use in Well Abandonment In force Term ends May 27, 2031 · High confidence	In force	Term ends May 27, 2031	High confidence
US 10,329,872	Method and Apparatus for Use in Well Abandonment In force Ends no later than May 27, 2031 · Medium confidence	In force	Ends no later than May 27, 2031	Medium confidence
US 10,801,301	Releasable Alloy System and Method for Well Management In force Term ends May 27, 2031 · Medium confidence	In force	Term ends May 27, 2031	Medium confidence
US 11,434,716	Releasable alloy system and method for well management In force Ends no later than May 27, 2031 · From the USPTO record	In force	Ends no later than May 27, 2031	From the USPTO record
US 10,053,950	Controlled Heat Source Based Down-Hole Plugging Tools and Applications In force Term ends Dec 20, 2033 · High confidence	In force	Term ends Dec 20, 2033	High confidence
US 10,145,203	Heat Sources and Alloys for US in Down-Hole Applications In force Term ends Dec 20, 2033 · High confidence	In force	Term ends Dec 20, 2033	High confidence
US 11,428,067	Heat sources and alloys for use in down-hole applications In force Term ends Dec 20, 2033 · From the USPTO record	In force	Term ends Dec 20, 2033	From the USPTO record
US 11,525,329	Apparatus for use in well abandonment In force Ends no later than Dec 20, 2033 · From the USPTO record	In force	Ends no later than Dec 20, 2033	From the USPTO record
US 10,113,386	Apparatus for Use in Well Abandonment In force Term ends Jan 18, 2034 · High confidence	In force	Term ends Jan 18, 2034	High confidence

10 of 33 patents shown.

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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.

6 pending · 1 no status recorded

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