How many patents does Bnsf Railway Co have in patentsdb?

Bnsf Railway Co is linked to 391 publications as assignee in our database.

What technology areas does Bnsf Railway Co patent most?

Top mapped technology areas by patent count: Operations & Transport (283); Physics (253); Electricity (70).

In our data, assignee counts were 93 in 2024 and 94 in 2025 (higher year over year).

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

Bnsf Railway Co holds 391 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 growing.

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
Operations & Transport	283
Physics	253
Electricity	70
Cross-Sectional Technologies	31
Mechanical Engineering	28
Fixed Constructions	16

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

How many patents does Bnsf Railway Co have in patentsdb?: Bnsf Railway Co is linked to 391 publications as assignee in our database.
What technology areas does Bnsf Railway Co patent most?: Top mapped technology areas by patent count: Operations & Transport (283); Physics (253); Electricity (70).
Is Bnsf Railway Co's patent activity growing?: In our data, assignee counts were 93 in 2024 and 94 in 2025 (higher year over year).
What are recent patents assigned to Bnsf Railway Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.