F04C 18/24

Rotary-piston pumps specially adapted for elastic fluids: of counter-engagement type, i.e. the

Official title: of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions

F04C18/24 (Rotary-piston pumps specially adapted for elastic fluids: of counter-engagement type, i.e. the) appears on 8 US grants and 13 published applications in this corpus.

Search patents in F04C

Granted patents: 8
Published applications: 13
Assignees: 11
Inventors: 31
Latest grant: 14 Aug 2018

Filings by year

F04C 18/24: granted patents and published applications per publication year
Year	Granted patents	Published applications
1979	1	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	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	1	1
2002	0	0
2003	1	0
2004	0	1
2005	1	2
2006	0	1
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	1
2012	1	0
2013	0	1
2014	0	1
2015	0	1
2016	0	1
2017	1	1
2018	2	0
2019	0	0
2020	0	1
2021	0	0
2022	0	0
2023	0	0
2024	0	0
2025	0	1

By publication year. Applications have been published since 2001.

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