How many patents does Duke Energy Corp have in patentsdb?

Duke Energy Corp is linked to 79 publications as assignee in our database.

What technology areas does Duke Energy Corp patent most?

Top mapped technology areas by patent count: Electricity (60); Physics (51); Cross-Sectional Technologies (29).

In our data, assignee counts were 5 in 2024 and 5 in 2025 (similar year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Duke Energy Corp holds 79 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	60
Physics	51
Cross-Sectional Technologies	29
Mechanical Engineering	4
Human Necessities	3
Fixed Constructions	3
Operations & Transport	3

Answers are generated from the same data shown on this page.

How many patents does Duke Energy Corp have in patentsdb?: Duke Energy Corp is linked to 79 publications as assignee in our database.
What technology areas does Duke Energy Corp patent most?: Top mapped technology areas by patent count: Electricity (60); Physics (51); Cross-Sectional Technologies (29).
Is Duke Energy Corp's patent activity growing?: In our data, assignee counts were 5 in 2024 and 5 in 2025 (similar year over year).
What are recent patents assigned to Duke Energy Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.