How many patents does Mart Charles J have in patentsdb?

Mart Charles J is linked to 8 publications as assignee in our database.

What technology areas does Mart Charles J patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (5); Mechanical Engineering (5); Operations & Transport (4).

In our data, assignee counts were 1 in 2021 and 1 in 2022 (similar year over year).

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

Mart Charles J holds 8 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.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	5
Mechanical Engineering	5
Operations & Transport	4
Fixed Constructions	4
Cross-Sectional Technologies	3
Physics	1

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

How many patents does Mart Charles J have in patentsdb?: Mart Charles J is linked to 8 publications as assignee in our database.
What technology areas does Mart Charles J patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (5); Mechanical Engineering (5); Operations & Transport (4).
Is Mart Charles J's patent activity growing?: In our data, assignee counts were 1 in 2021 and 1 in 2022 (similar year over year).
What are recent patents assigned to Mart Charles J?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.