How many patents does Walker David Ryan have in patentsdb?

Walker David Ryan is linked to 26 publications as assignee in our database.

What technology areas does Walker David Ryan patent most?

Top mapped technology areas by patent count: Physics (19); Electricity (17); Cross-Sectional Technologies (2).

In our data, assignee counts were 2 in 2018 and 1 in 2019 (lower year over year).

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

Walker David Ryan holds 26 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	19
Electricity	17
Cross-Sectional Technologies	2

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

How many patents does Walker David Ryan have in patentsdb?: Walker David Ryan is linked to 26 publications as assignee in our database.
What technology areas does Walker David Ryan patent most?: Top mapped technology areas by patent count: Physics (19); Electricity (17); Cross-Sectional Technologies (2).
Is Walker David Ryan's patent activity growing?: In our data, assignee counts were 2 in 2018 and 1 in 2019 (lower year over year).
What are recent patents assigned to Walker David Ryan?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.