Westinghouse Air Brake Tech Corp patents

Westinghouse Air Brake Tech Corp holds 457 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents457
Recent patents67
First publicationJul 9, 2015
Latest publicationMar 24, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20157
201624
201731
201840
201949
202078
202181
202265
202335
202429
202514
20264
Browse patents by year
YearPatents
20157
201624
201731
201840
201949
202078
202181
202265
202335
202429
202514
20264

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
B60T17/22886
B61L25/02576
B60T13/66574
B61L15/002768
B61L15/007257

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

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

How many patents does Westinghouse Air Brake Tech Corp have in patentsdb?
Westinghouse Air Brake Tech Corp is linked to 457 publications as assignee in our database.
What technology areas does Westinghouse Air Brake Tech Corp patent most?
Top mapped technology areas by patent count: Operations & Transport (367); Physics (123); Electricity (87).
Is Westinghouse Air Brake Tech Corp's patent activity growing?
In our data, assignee counts were 29 in 2024 and 14 in 2025 (lower year over year).
What are recent patents assigned to Westinghouse Air Brake Tech Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.