What is CPC F15B1/14?

CPC F15B1/14 is the Cooperative Patent Classification code for “by means of a rigid annular supporting member.”

How many patents are filed under CPC F15B1/14 (by means of a rigid annular supporting member)?

Our database includes 35 publications tagged with this CPC code.

Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).

by means of a rigid annular supporting member · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F15B1/14
Official title	by means of a rigid annular supporting member
Display label	by means of a rigid annular supporting member
Total patents	35

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

Filing activity over the last five years is rapidly declining.

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

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

What is CPC F15B1/14?: CPC F15B1/14 is the Cooperative Patent Classification code for “by means of a rigid annular supporting member.”
How many patents are filed under CPC F15B1/14 (by means of a rigid annular supporting member)?: Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC F15B1/14 growing?: Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).