How many patents does P D Refractories Gmbh have in patentsdb?

P D Refractories Gmbh is linked to 7 publications as assignee in our database.

What technology areas does P D Refractories Gmbh patent most?

Top mapped technology areas by patent count: Operations & Transport (7); Chemistry & Metallurgy (7); Mechanical Engineering (7).

In our data, assignee counts were 3 in 2023 and 1 in 2025 (lower year over year).

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

P D Refractories Gmbh holds 7 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

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

How many patents does P D Refractories Gmbh have in patentsdb?: P D Refractories Gmbh is linked to 7 publications as assignee in our database.
What technology areas does P D Refractories Gmbh patent most?: Top mapped technology areas by patent count: Operations & Transport (7); Chemistry & Metallurgy (7); Mechanical Engineering (7).
Is P D Refractories Gmbh's patent activity growing?: In our data, assignee counts were 3 in 2023 and 1 in 2025 (lower year over year).
What are recent patents assigned to P D Refractories Gmbh?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.