Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C)

Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C) · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA61F2/4644
Official title{Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C)}
Display labelPreparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C)
Total patents381

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201525
201621
201737
201837
201933
202035
202143
202229
202334
202433
202544
202610

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 A61F2/4644?
CPC A61F2/4644 is the Cooperative Patent Classification code for “Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C).”
How many patents are filed under CPC A61F2/4644 (Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C))?
Our database includes 381 publications tagged with this CPC code.
Is patent activity under CPC A61F2/4644 growing?
Publication counts under this code: 33 in 2024 vs 44 in 2025 (latest complete years).