How many patents does Campbell Richard V have in patentsdb?

Campbell Richard V is linked to 75 publications as assignee in our database.

What technology areas does Campbell Richard V patent most?

Top mapped technology areas by patent count: Mechanical Engineering (64); Textiles & Paper (37); Operations & Transport (35).

In our data, assignee counts were 7 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.

Campbell Richard V holds 75 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 rapidly declining.

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
Mechanical Engineering	64
Textiles & Paper	37
Operations & Transport	35
Physics	18
Cross-Sectional Technologies	13
Fixed Constructions	10
Electricity	8

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

How many patents does Campbell Richard V have in patentsdb?: Campbell Richard V is linked to 75 publications as assignee in our database.
What technology areas does Campbell Richard V patent most?: Top mapped technology areas by patent count: Mechanical Engineering (64); Textiles & Paper (37); Operations & Transport (35).
Is Campbell Richard V's patent activity growing?: In our data, assignee counts were 7 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Campbell Richard V?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.