for the detection or protection of pipes in the ground

for the detection or protection of pipes in the ground · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF16L1/11
Official titlefor the detection or protection of pipes in the ground
Display labelfor the detection or protection of pipes in the ground
Total patents38

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20154
20161
20172
20185
20192
20203
20218
20224
20232
20244
20253

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 F16L1/11?
CPC F16L1/11 is the Cooperative Patent Classification code for “for the detection or protection of pipes in the ground.”
How many patents are filed under CPC F16L1/11 (for the detection or protection of pipes in the ground)?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC F16L1/11 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).