Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure

Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure · 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 codeF01C21/102
Official title{Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure}
Display labelAdjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure
Total patents32

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
20153
20162
20174
20191
20209
20212
20226
20232
20242
20251

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 F01C21/102?
CPC F01C21/102 is the Cooperative Patent Classification code for “Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure.”
How many patents are filed under CPC F01C21/102 (Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC F01C21/102 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).