How many patents does Duke Mfg Co have in patentsdb?

Duke Mfg Co is linked to 90 publications as assignee in our database.

What technology areas does Duke Mfg Co patent most?

Top mapped technology areas by patent count: Human Necessities (67); Physics (35); Mechanical Engineering (31).

In our data, assignee counts were 9 in 2024 and 18 in 2025 (higher year over year).

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

Duke Mfg Co holds 90 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 rapidly growing.

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
Human Necessities	67
Physics	35
Mechanical Engineering	31
Electricity	25
Operations & Transport	10
Cross-Sectional Technologies	2

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

How many patents does Duke Mfg Co have in patentsdb?: Duke Mfg Co is linked to 90 publications as assignee in our database.
What technology areas does Duke Mfg Co patent most?: Top mapped technology areas by patent count: Human Necessities (67); Physics (35); Mechanical Engineering (31).
Is Duke Mfg Co's patent activity growing?: In our data, assignee counts were 9 in 2024 and 18 in 2025 (higher year over year).
What are recent patents assigned to Duke Mfg Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.