How many patents does De Nora Permelec Ltd have in patentsdb?

De Nora Permelec Ltd is linked to 79 publications as assignee in our database.

What technology areas does De Nora Permelec Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (79); Cross-Sectional Technologies (60); Operations & Transport (23).

In our data, assignee counts were 9 in 2024 and 6 in 2025 (lower year over year).

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

De Nora Permelec Ltd 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 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
Chemistry & Metallurgy	79
Cross-Sectional Technologies	60
Operations & Transport	23
Physics	8
Electricity	6
Mechanical Engineering	4

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

How many patents does De Nora Permelec Ltd have in patentsdb?: De Nora Permelec Ltd is linked to 79 publications as assignee in our database.
What technology areas does De Nora Permelec Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (79); Cross-Sectional Technologies (60); Operations & Transport (23).
Is De Nora Permelec Ltd's patent activity growing?: In our data, assignee counts were 9 in 2024 and 6 in 2025 (lower year over year).
What are recent patents assigned to De Nora Permelec Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.