How many patents does Frey Detlef have in patentsdb?

Frey Detlef is linked to 9 publications as assignee in our database.

What technology areas does Frey Detlef patent most?

Top mapped technology areas by patent count: Textiles & Paper (9); Operations & Transport (2).

In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).

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

Frey Detlef holds 9 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 stable.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Textiles & Paper	9
Operations & Transport	2

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

How many patents does Frey Detlef have in patentsdb?: Frey Detlef is linked to 9 publications as assignee in our database.
What technology areas does Frey Detlef patent most?: Top mapped technology areas by patent count: Textiles & Paper (9); Operations & Transport (2).
Is Frey Detlef's patent activity growing?: In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Frey Detlef?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.