CogniPower, LLC

20 patents currently held · Updated Nov 14, 2026

3 more in force are now held by other companies

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

Recorded under 2 name spellings.

Ending by 2030

Feb 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 Nov 19, 2026
The maintenance fee for Switched-mode compound power converter with main and supplemental regulators (US 9,036,376) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
1 fee due Aug 4, 2027
The maintenance fee for Trigger circuitry for fast, low-power state transitions (US 10,554,206) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended 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 7,492,221	Power conversion regulator with exponentiating feedback loop In force Term ends Feb 13, 2027 · From the USPTO record	In force	Term ends Feb 13, 2027	From the USPTO record
US 7,642,758	Power conversion regulator with predictive energy balancing In force Term ends Jan 9, 2028 · From the USPTO record	In force	Term ends Jan 9, 2028	From the USPTO record
US 9,531,294	Power-conversion engine In force Term ends Feb 21, 2028 · From the USPTO record	In force	Term ends Feb 21, 2028	From the USPTO record
US 7,642,752	Method of Determining a Frequency Interval Containing a Resonance Frequency of a Rechargeable Battery In force Term ends Jun 18, 2028 · High confidence	In force	Term ends Jun 18, 2028	High confidence
US 7,786,709	Bi-polar bi-directional energy balancing power-conversion engine In force Term ends Jul 13, 2028 · From the USPTO record	In force	Term ends Jul 13, 2028	From the USPTO record
US 8,004,344	Gate-charge retaining switch In force Term ends Dec 15, 2028 · From the USPTO record	In force	Term ends Dec 15, 2028	From the USPTO record
US 8,134,347	Apparatus and method for recycling the energy from load capacitance In force Term ends Apr 1, 2030 · From the USPTO record	In force	Term ends Apr 1, 2030	From the USPTO record
US 8,570,008	Energy predictive buck converter In force Term ends Dec 22, 2031 · From the USPTO record	In force	Term ends Dec 22, 2031	From the USPTO record
US 8,493,893	Single-transformer full-duplex digital isolator In force Term ends Dec 29, 2031 · From the USPTO record	In force	Term ends Dec 29, 2031	From the USPTO record
US 8,552,697	Universal single-stage power converter with PFC capability In force Term ends Jan 6, 2032 · From the USPTO record	In force	Term ends Jan 6, 2032	From the USPTO record

10 of 20 patents shown.

Pro members see all 20.

Pro members: see all 20 patents

Also on record, not counted in the 20: 3 patents in force now held by others · 4 lapsed for an unpaid fee · 1 surrendered on reissue. 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

Every application published under this name has become a patent.