How many patents does O'Brien Robert S have in patentsdb?

O'Brien Robert S is linked to 29 publications as assignee in our database.

What technology areas does O'Brien Robert S patent most?

Top mapped technology areas by patent count: Fixed Constructions (29); Mechanical Engineering (4); Cross-Sectional Technologies (1).

In our data, assignee counts were 5 in 2017 and 1 in 2018 (lower year over year).

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

O'Brien Robert S holds 29 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Fixed Constructions	29
Mechanical Engineering	4
Cross-Sectional Technologies	1

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

How many patents does O'Brien Robert S have in patentsdb?: O'Brien Robert S is linked to 29 publications as assignee in our database.
What technology areas does O'Brien Robert S patent most?: Top mapped technology areas by patent count: Fixed Constructions (29); Mechanical Engineering (4); Cross-Sectional Technologies (1).
Is O'Brien Robert S's patent activity growing?: In our data, assignee counts were 5 in 2017 and 1 in 2018 (lower year over year).
What are recent patents assigned to O'Brien Robert S?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.