for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence)

for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence) · 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 codeF16K41/023
Official title{for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence)}
Display labelfor spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence)
Total patents25

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20161
20181
20192
20203
20213
20222
20234
20243
20255
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 F16K41/023?
CPC F16K41/023 is the Cooperative Patent Classification code for “for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence).”
How many patents are filed under CPC F16K41/023 (for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence))?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC F16K41/023 growing?
Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).