Syncrude Canada Ltd.

10 patents currently held · Updated Nov 15, 2026

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

Recorded under 3 name spellings.

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.

1 fee due Feb 1, 2027
The maintenance fee for Centrifugal hydraulic seal (US 11,713,812) comes due Feb 1, 2027. Unpaid by Aug 2, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 17, 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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,547,096	Simultaneous determination of bitumen and water content in oil sand and oil sand extraction process samples using low-field time-domain NMR In force Term ends May 2, 2031 · From the USPTO record	In force	Term ends May 2, 2031	From the USPTO record
US 9,719,933	Laser-Induced Breakdown Spectroscopy of Oil Sands In force Term ends Nov 23, 2036 · High confidence	In force	Term ends Nov 23, 2036	High confidence
US 10,815,066	System and method for correcting conveyor belt misalignment In force Term ends Apr 9, 2039 · From the USPTO record	In force	Term ends Apr 9, 2039	From the USPTO record
US 10,815,061	Conveyor belt with reinforcing block In force Term ends Sep 12, 2039 · From the USPTO record	In force	Term ends Sep 12, 2039	From the USPTO record
US 11,333,555	Laser-Induced Breakdown Spectroscopy for Determining a Property of an Oil Sands Ore Sample In force Term ends Jul 2, 2040 · High confidence	In force	Term ends Jul 2, 2040	High confidence
US 11,624,031	Tiled screen cloth In force Term ends Feb 23, 2041 · From the USPTO record	In force	Term ends Feb 23, 2041	From the USPTO record
US 11,590,514	Collectors for Treating Tailings In force Term ends Aug 29, 2041 · High confidence	In force	Term ends Aug 29, 2041	High confidence
US 11,713,812	Centrifugal hydraulic seal In force Term ends Oct 6, 2041 · From the USPTO record	In force	Term ends Oct 6, 2041	From the USPTO record
US 12,017,159	Feedwell for an inclined plate separator In force Term ends Sep 16, 2042 · From the USPTO record	In force	Term ends Sep 16, 2042	From the USPTO record
US 12,240,053	Friction Welding of Cladded Cemented or Sintered Carbides to a Structural Element In force Term ends Mar 2, 2043 · High confidence	In force	Term ends Mar 2, 2043	High confidence

Also on record, not counted in the 10: 43 lapsed for an unpaid fee · 1 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 no status recorded

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