How many patents does Drumm Stefan A have in patentsdb?

Drumm Stefan A is linked to 9 publications as assignee in our database.

What technology areas does Drumm Stefan A patent most?

Top mapped technology areas by patent count: Operations & Transport (9); Mechanical Engineering (1); Electricity (1).

In our data, assignee counts were 2 in 2016 and 2 in 2017 (similar year over year).

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

Drumm Stefan A holds 9 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

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
Operations & Transport	9
Mechanical Engineering	1
Electricity	1
Cross-Sectional Technologies	1

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

How many patents does Drumm Stefan A have in patentsdb?: Drumm Stefan A is linked to 9 publications as assignee in our database.
What technology areas does Drumm Stefan A patent most?: Top mapped technology areas by patent count: Operations & Transport (9); Mechanical Engineering (1); Electricity (1).
Is Drumm Stefan A's patent activity growing?: In our data, assignee counts were 2 in 2016 and 2 in 2017 (similar year over year).
What are recent patents assigned to Drumm Stefan A?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.