How many patents does Henry David have in patentsdb?

Henry David is linked to 7 publications as assignee in our database.

What technology areas does Henry David patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (6); Operations & Transport (2); Mechanical Engineering (2).

In our data, assignee counts were 5 in 2015 and 2 in 2018 (lower year over year).

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

Henry David holds 7 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.

Patents filed per year
Year	Patents
2015	5
2018	2

Browse patents by year
Year	Patents
2015	5
2018	2

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
Chemistry & Metallurgy	6
Operations & Transport	2
Mechanical Engineering	2
Cross-Sectional Technologies	2
Physics	1
Electricity	1

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

How many patents does Henry David have in patentsdb?: Henry David is linked to 7 publications as assignee in our database.
What technology areas does Henry David patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (6); Operations & Transport (2); Mechanical Engineering (2).
Is Henry David's patent activity growing?: In our data, assignee counts were 5 in 2015 and 2 in 2018 (lower year over year).
What are recent patents assigned to Henry David?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.