I-Jack Technologies Incorporated

15 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

Jul 2037

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 16, 2027
The maintenance fee for Lift apparatus for driving a downhole reciprocating pump (US 10,352,138) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
1 fee due Jul 28, 2027
The maintenance fee for Gas compressor and system and method for gas compressing (US 10,544,783) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
1 fee due Oct 9, 2027
The maintenance fee for Multi-Phase Fluid Pump System (US 11,952,995) comes due Oct 9, 2027. Unpaid by Apr 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were 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 10,072,487	Lift apparatus for driving a downhole reciprocating pump In force Term ends Jul 21, 2037 · From the USPTO record	In force	Term ends Jul 21, 2037	From the USPTO record
US 10,352,138	Lift apparatus for driving a downhole reciprocating pump In force Ends no later than Jul 21, 2037 · From the USPTO record	In force	Ends no later than Jul 21, 2037	From the USPTO record
US 10,087,924	Gas compressor and system and method for gas compressing In force Term ends Jul 25, 2037 · From the USPTO record	In force	Term ends Jul 25, 2037	From the USPTO record
US 10,167,857	Gas compressor and system and method for gas compressing In force Term ends Jul 25, 2037 · From the USPTO record	In force	Term ends Jul 25, 2037	From the USPTO record
US 10,544,783	Gas compressor and system and method for gas compressing In force Term ends Jul 25, 2037 · From the USPTO record	In force	Term ends Jul 25, 2037	From the USPTO record
US 11,242,847	Gas compressor and system and method for gas compressing In force Ends no later than Jul 25, 2037 · From the USPTO record	In force	Ends no later than Jul 25, 2037	From the USPTO record
US 11,339,778	Gas compressor and system and method for gas compressing In force Ends no later than Jul 25, 2037 · From the USPTO record	In force	Ends no later than Jul 25, 2037	From the USPTO record
US 11,982,269	Gas compressor and system and method for gas compressing In force Term ends Jul 25, 2037 · From the USPTO record	In force	Term ends Jul 25, 2037	From the USPTO record
US 12,497,962	Driving fluid cylinder and driven fluid cylinder and buffer In force Term ends Jul 25, 2037 · From the USPTO record	In force	Term ends Jul 25, 2037	From the USPTO record
US 11,162,491	Gas compressor and system and method for gas compressing In force Term ends Aug 11, 2037 · From the USPTO record	In force	Term ends Aug 11, 2037	From the USPTO record

10 of 15 patents shown.

Pro members see all 15.

Pro members: see all 15 patents

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.

2 no status recorded

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