How many patents does Hill David John have in patentsdb?

Hill David John is linked to 13 publications as assignee in our database.

What technology areas does Hill David John patent most?

Top mapped technology areas by patent count: Physics (12); Fixed Constructions (3); Mechanical Engineering (3).

In our data, assignee counts were 1 in 2019 and 1 in 2021 (similar year over year).

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

Hill David John holds 13 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 declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Free tools are coming soon. Tell us what you want to track and we'll notify you.

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

How many patents does Hill David John have in patentsdb?: Hill David John is linked to 13 publications as assignee in our database.
What technology areas does Hill David John patent most?: Top mapped technology areas by patent count: Physics (12); Fixed Constructions (3); Mechanical Engineering (3).
Is Hill David John's patent activity growing?: In our data, assignee counts were 1 in 2019 and 1 in 2021 (similar year over year).
What are recent patents assigned to Hill David John?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.