Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)

Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00) · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB61D15/06
Official titleBuffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)
Display labelBuffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)
Total patents76

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20159
201611
20175
201813
20198
20207
20216
20227
20245
20254
20261

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

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

What is CPC B61D15/06?
CPC B61D15/06 is the Cooperative Patent Classification code for “Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00).”
How many patents are filed under CPC B61D15/06 (Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00))?
Our database includes 76 publications tagged with this CPC code.
Is patent activity under CPC B61D15/06 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).