Supergrid Institute
5 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.
0
Ending by 2030
Jul 2036
Next term end
When these terms end
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 4, 2026The maintenance fee for Modular multilevel converter, method and control module for controlling the same (US 10,312,824) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 1 fee due Jan 16, 2027The maintenance fee for Mechanical cut-off apparatus for a high-voltage or very high-voltage electric circuit with splitting device (US 10,354,819) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
- 2 fees due Apr 17 to 24, 2027 · next Apr 17
- 2 fees due May 5 to 21, 2027 · next May 5
- 1 fee due Jun 24, 2027The maintenance fee for Interconnection equipment for a high-voltage DC grid (US 10,516,261) comes due Jun 24, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 1 fee due Aug 20, 2027The maintenance fee for Superconducting current limiter with electroconductive spacer (US 11,910,729) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
- 2 fees due Oct 7 to 16, 2027 · next Oct 7
Recent changes
- 1 of the patents on this record was granted 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,354,819 | Mechanical cut-off apparatus for a high-voltage or very high-voltage electric circuit with splitting device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,312,824 | Modular multilevel converter, method and control module for controlling the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,468,873 | High voltage DC current tripout device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,516,261 | Interconnection equipment for a high-voltage DC grid In force · From the USPTO record | In force | From the USPTO record | |
| US 10,615,714 | Module for controlling the internal energy of a converter In force · From the USPTO record | In force | From the USPTO record | |
| US 10,998,710 | High-voltage DC cut-off device In force · From the USPTO record | In force | From the USPTO record | |
| US 11,005,261 | Method for controlling an installation allowing DC current to be transmitted in a network while protecting said network from a short circuit fault In force · From the USPTO record | In force | From the USPTO record | |
| US 11,070,144 | Converter provided with a circuit for managing alternating power in an alternating part In force · From the USPTO record | In force | From the USPTO record | |
| US 11,121,549 | Power flow control device for controlling the distribution of currents in a mesh network In force · From the USPTO record | In force | From the USPTO record | |
| US 11,099,242 | Device for measuring an electric and/or magnetic field in particular in a conductor for transporting electrical power In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 24: 5 patents in force now held by others · 4 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.
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 pending · 4 no status recorded