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F04B 45/024

With two or more bellows in series

Official title: {with two or more bellows in series}

F04B45/024 (With two or more bellows in series) appears on 20 US grants and 20 published applications in this corpus.

Search patents in F04B

Granted patents: 20
Published applications: 20
Assignees: 13
Inventors: 39
Latest grant: 17 Feb 2026

Filings by year

F04B 45/024: granted patents and published applications per publication year
Year	Granted patents	Published applications
1988	1	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	1	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	2
2008	0	1
2009	2	1
2010	1	1
2011	0	0
2012	1	0
2013	0	0
2014	0	1
2015	0	0
2016	2	2
2017	0	3
2018	0	1
2019	4	2
2020	0	2
2021	3	0
2022	3	1
2023	1	1
2024	0	2
2025	0	0
2026	1	0

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

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