VoltServer, Inc.

16 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

Oct 2030

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.

3 fees due May 5 to 28, 2027 · next May 5
1 fee due Jul 21, 2027
The maintenance fee for Digital Power Multiport Battery Charging System (US 10,541,543) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
1 fee due Aug 6, 2027
The maintenance fee for Methods for Verifying Digital-Electricity Line Integrity (US 11,892,494) comes due Aug 6, 2027. Unpaid by Feb 7, 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 8,781,637	Safe Exposed Conductor Power Distribution System In force Term ends Oct 25, 2030 · Medium confidence	In force	Term ends Oct 25, 2030	Medium confidence
US 9,184,795	Packet Energy Transfer In-Line Communications In force Term ends Jan 26, 2035 · High confidence	In force	Term ends Jan 26, 2035	High confidence
US 9,419,436	Digital Power Receiver System In force Term ends Oct 19, 2035 · High confidence	In force	Term ends Oct 19, 2035	High confidence
US 9,853,689	Packet Energy Transfer Power Control Elements In force Term ends Mar 24, 2036 · High confidence	In force	Term ends Mar 24, 2036	High confidence
US 9,893,521	Digital Power Network Method and Apparatus In force Term ends May 6, 2036 · High confidence	In force	Term ends May 6, 2036	High confidence
US 10,468,879	Method and Apparatus for Parallel Operation of Packet Energy Transfer Receivers In force Term ends Sep 22, 2037 · High confidence	In force	Term ends Sep 22, 2037	High confidence
US 10,541,543	Digital Power Multiport Battery Charging System In force Term ends Nov 28, 2037 · High confidence	In force	Term ends Nov 28, 2037	High confidence
US 11,831,144	Digital Power Distribution System with a Non-Linear Load In force Term ends Oct 5, 2038 · High confidence	In force	Term ends Oct 5, 2038	High confidence
US 10,714,930	Digital Electricity Using Carrier Wave Change Detection In force Term ends Mar 7, 2039 · High confidence	In force	Term ends Mar 7, 2039	High confidence
US 11,892,494	Methods for Verifying Digital-Electricity Line Integrity In force Term ends Aug 6, 2039 · High confidence	In force	Term ends Aug 6, 2039	High confidence

10 of 16 patents shown.

Pro members see all 16.

Pro members: see all 16 patents

Also on record, not counted in the 16: 1 lapsed for an unpaid fee. 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.

2 pending · 2 abandoned

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