A61F 2/4644

Preparation of bone graft, bone plugs or bone dowels

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)}

A61F2/4644 (Preparation of bone graft, bone plugs or bone dowels) appears on 841 US grants and 961 published applications in this corpus.

Search patents in A61F

Granted patents: 841
Published applications: 961
Assignees: 350
Inventors: 1,450
Latest grant: 22 Sep 2026

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A61F 2/4644: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	0	0
1979	0	0
1980	0	0
1981	0	0
1982	1	0
1983	1	0
1984	0	0
1985	2	0
1986	2	0
1987	3	0
1988	1	0
1989	1	0
1990	3	0
1991	5	0
1992	3	0
1993	3	0
1994	6	0
1995	4	0
1996	8	0
1997	11	0
1998	20	0
1999	21	0
2000	29	0
2001	30	19
2002	25	45
2003	35	50
2004	26	56
2005	19	66
2006	36	29
2007	21	38
2008	14	42
2009	21	45
2010	33	36
2011	25	34
2012	32	34
2013	32	23
2014	43	36
2015	21	29
2016	21	33
2017	35	34
2018	20	37
2019	34	37
2020	26	40
2021	31	37
2022	31	29
2023	23	43
2024	33	31
2025	30	39
2026	19	19

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Preparation of bone graft, bone plugs or bone dowels

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