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F15B 13/023

Excess flow valves

Official title: {Excess flow valves, e.g. for locking cylinders in case of hose burst}

F15B13/023 (Excess flow valves) appears on 17 US grants and 20 published applications in this corpus.

Search patents in F15B

Granted patents: 17
Published applications: 20
Assignees: 19
Inventors: 39
Latest grant: 5 May 2026

Filings by year

F15B 13/023: granted patents and published applications per publication year
Year	Granted patents	Published applications
2004	1	1
2005	0	0
2006	0	0
2007	0	0
2008	0	2
2009	0	1
2010	0	1
2011	0	1
2012	1	0
2013	0	0
2014	0	0
2015	0	0
2016	1	1
2017	1	2
2018	0	1
2019	2	1
2020	2	1
2021	1	2
2022	4	2
2023	0	2
2024	1	1
2025	1	1
2026	2	0

By publication year. 2026 runs to 8 Oct.

Recent patents

Hydraulic control system and method with electro-proportional pressure valve and integral check5 May 2026US 12,618,424 B2HydraForce, Inc.
Lifting mechanism3 Feb 2026US 12,540,061 B2Danfoss Power Solutions Inc.
Lifting mechanism27 May 2025US 12,312,222 B2Danfoss Power Solutions Inc.
Hydraulic control system and method with electro-proportional pressure valve and integral check9 Apr 2024US 11,953,031 B2HydraForce, Inc.
Generator motor flow control valve4 Oct 2022US 11,460,054 B2Moley Magnetics, Inc.

Most cited

By later US patents