by observing the flame

by observing the flame · 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 codeF23M11/045
Official title{by observing the flame}
Display labelby observing the flame
Total patents27

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
20168
20175
20184
20191
20202
20222
20231

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 F23M11/045?
CPC F23M11/045 is the Cooperative Patent Classification code for “by observing the flame.”
How many patents are filed under CPC F23M11/045 (by observing the flame)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC F23M11/045 growing?
Publication counts under this code: 2 in 2022 vs 1 in 2023 (latest complete years).