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F04B 39/047

Sealing between piston and carter being provided by a bellow

Official title: {Sealing between piston and carter being provided by a bellow}

F04B39/047 (Sealing between piston and carter being provided by a bellow) appears on 9 US grants and 3 published applications in this corpus.

Search patents in F04B

Granted patents: 9
Published applications: 3
Assignees: 6
Inventors: 14
Latest grant: 12 May 2026

Filings by year

F04B 39/047: granted patents and published applications per publication year
Year	Granted patents	Published applications
1985	1	0
1986	0	0
1987	0	0
1988	1	0
1989	1	0
1990	2	0
1991	1	0
1992	0	0
1993	0	0
1994	0	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	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	1
2018	0	0
2019	0	0
2020	0	0
2021	1	1
2022	0	0
2023	1	0
2024	0	0
2025	0	1
2026	1	0

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

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