Emp Shield Inc.

10 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

Jan 2039

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 Dec 27, 2026
The maintenance fee for Method and systems for protection of multiport multimode power over ethernet devices from electromagnetic energy disturbance (US 11,689,015) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 10,938,204	System and method for detecting and isolating an electromagnetic pulse for protection of a monitored infrastructure In force (reinstated) Term ends Jan 7, 2039 · From the USPTO record	In force (reinstated)	Term ends Jan 7, 2039	From the USPTO record
US 11,171,483	Method and systems for detection and protection from electromagnetic pulse events using hardware implemented artificial intelligence In force Term ends Jan 7, 2039 · From the USPTO record	In force	Term ends Jan 7, 2039	From the USPTO record
US 11,451,051	Method and systems for suppressing electromagnetic pulse induced surges using combined multiport protection with impedance matching and low insertion loss In force Term ends Jan 7, 2039 · From the USPTO record	In force	Term ends Jan 7, 2039	From the USPTO record
US 11,469,592	Method and systems for electromagnetic protection with persistent self monitoring and cybersecure local and remote status report In force Term ends Jan 7, 2039 · From the USPTO record	In force	Term ends Jan 7, 2039	From the USPTO record
US 11,689,015	Method and systems for protection of multiport multimode power over ethernet devices from electromagnetic energy disturbance In force Term ends Jan 7, 2039 · From the USPTO record	In force	Term ends Jan 7, 2039	From the USPTO record
US 12,658,694	Method and Reconfigurable Inline Systems for Protection from Transient Electromagnetic Energy Disturbance In force Term ends Apr 6, 2039 · Medium confidence	In force	Term ends Apr 6, 2039	Medium confidence
US 12,009,656	Methods and systems for protection of electric network from transient electromagnetic surges using inline embedded mitigation In force Term ends Dec 15, 2043 · From the USPTO record	In force	Term ends Dec 15, 2043	From the USPTO record
US 12,140,635	Methods and systems for status monitoring of transient electromagnetic surge protection devices In force Term ends Mar 22, 2044 · From the USPTO record	In force	Term ends Mar 22, 2044	From the USPTO record
US 12,184,060	Methods and systems for using solid state transformers to protect medium and low voltage electrical grids from extreme EMP transients In force Term ends Jun 24, 2044 · From the USPTO record	In force	Term ends Jun 24, 2044	From the USPTO record
US 12,671,246	Methods and Systems for Protection of Electric Networks and Devices from Extreme Transient Electromagnetic Surges In force Term ends Aug 20, 2044 · High confidence	In force	Term ends Aug 20, 2044	High confidence

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.