How many patents does Barrus John have in patentsdb?

Barrus John is linked to 11 publications as assignee in our database.

What technology areas does Barrus John patent most?

Top mapped technology areas by patent count: Physics (10); Electricity (6); Operations & Transport (1).

In our data, assignee counts were 1 in 2017 and 1 in 2019 (similar year over year).

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

Barrus John holds 11 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

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
Physics	10
Electricity	6
Operations & Transport	1
Cross-Sectional Technologies	1

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

How many patents does Barrus John have in patentsdb?: Barrus John is linked to 11 publications as assignee in our database.
What technology areas does Barrus John patent most?: Top mapped technology areas by patent count: Physics (10); Electricity (6); Operations & Transport (1).
Is Barrus John's patent activity growing?: In our data, assignee counts were 1 in 2017 and 1 in 2019 (similar year over year).
What are recent patents assigned to Barrus John?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.