How many patents does Drewes Ulfert have in patentsdb?

Drewes Ulfert is linked to 5 publications as assignee in our database.

What technology areas does Drewes Ulfert patent most?

Top mapped technology areas by patent count: Physics (5); Chemistry & Metallurgy (3); Operations & Transport (2).

In our data, assignee counts were 2 in 2015 and 3 in 2017 (higher year over year).

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

Drewes Ulfert holds 5 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 growing based on the most recent years.

Patents filed per year
Year	Patents
2015	2
2017	3

Browse patents by year
Year	Patents
2015	2
2017	3

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 Drewes Ulfert have in patentsdb?: Drewes Ulfert is linked to 5 publications as assignee in our database.
What technology areas does Drewes Ulfert patent most?: Top mapped technology areas by patent count: Physics (5); Chemistry & Metallurgy (3); Operations & Transport (2).
Is Drewes Ulfert's patent activity growing?: In our data, assignee counts were 2 in 2015 and 3 in 2017 (higher year over year).
What are recent patents assigned to Drewes Ulfert?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.