How many patents does Fletcher David E have in patentsdb?

Fletcher David E is linked to 69 publications as assignee in our database.

What technology areas does Fletcher David E patent most?

Top mapped technology areas by patent count: Mechanical Engineering (58); Cross-Sectional Technologies (36); Operations & Transport (23).

In our data, assignee counts were 9 in 2019 and 2 in 2020 (lower year over year).

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

Fletcher David E holds 69 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	58
Cross-Sectional Technologies	36
Operations & Transport	23
Physics	4
Electricity	4

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

How many patents does Fletcher David E have in patentsdb?: Fletcher David E is linked to 69 publications as assignee in our database.
What technology areas does Fletcher David E patent most?: Top mapped technology areas by patent count: Mechanical Engineering (58); Cross-Sectional Technologies (36); Operations & Transport (23).
Is Fletcher David E's patent activity growing?: In our data, assignee counts were 9 in 2019 and 2 in 2020 (lower year over year).
What are recent patents assigned to Fletcher David E?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.