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F01M 2001/023

Piston pumps

Official title: {Piston pumps}

F01M2001/023 (Piston pumps) appears on 28 US grants and 33 published applications in this corpus.

Search patents in F01M

Granted patents: 28
Published applications: 33
Assignees: 18
Inventors: 62
Latest grant: 19 May 2026

Filings by year

F01M 2001/023: granted patents and published applications per publication year
Year	Granted patents	Published applications
2004	1	1
2005	0	0
2006	1	0
2007	0	0
2008	0	0
2009	0	0
2010	0	1
2011	0	2
2012	0	2
2013	2	2
2014	2	1
2015	0	0
2016	2	8
2017	1	0
2018	5	3
2019	2	3
2020	4	2
2021	2	1
2022	1	1
2023	2	1
2024	1	1
2025	1	1
2026	1	3

By publication year. 2026 runs to 8 Oct.

Recent patents

Compact volumetric pump19 May 2026US 12,631,293 B2Dana Italia S.R.L.
Pressurized oil system powered by two-stroke engine11 Nov 2025US 12,467,391 B2Arctic Cat Inc.
Pressurized oil system powered by two-stroke engine6 Aug 2024US 12,055,076 B2Arctic Cat Inc.
Assembly unit as a structural component for a lubricant pump5 Sep 2023US 11,746,954 B2Groeneveld-Beka GmbH
Pressurized oil system powered by two-stroke engine18 Jul 2023US 11,702,965 B2Arctic Cat Inc.

Most cited

By later US patents