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F27D 27/005

Pumps

Official title: {Pumps}

F27D27/005 (Pumps) appears on 135 US grants and 132 published applications in this corpus.

Search patents in F27D

Granted patents: 135
Published applications: 132
Assignees: 42
Inventors: 143
Latest grant: 22 Sep 2026

Filings by year

F27D 27/005: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	0	0
1979	1	0
1980	3	0
1981	0	0
1982	0	0
1983	0	0
1984	3	0
1985	0	0
1986	3	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	1	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	3	0
1998	1	0
1999	1	0
2000	3	0
2001	0	0
2002	0	1
2003	1	2
2004	0	1
2005	1	0
2006	0	1
2007	0	2
2008	1	2
2009	3	1
2010	1	2
2011	0	7
2012	2	2
2013	5	10
2014	4	9
2015	10	12
2016	11	20
2017	7	9
2018	11	7
2019	16	4
2020	7	13
2021	5	3
2022	6	5
2023	6	7
2024	8	8
2025	8	3
2026	2	1

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

Subgroups

Granted patents

F27D 27/007Pulsating pumps8

Recent patents

Magnetic field device and method of driving molten metal22 Sep 2026US 12,744,444 B2Zmag, Ltd.
Coupling and rotor shaft for molten metal devices24 Feb 2026US 12,560,169 B2Molten Metal Equipment Innovations, LLC
Metal melt pump16 Sep 2025US 12,418,230 B2Zmag, Ltd.
Coupling and rotor shaft for molten metal devices9 Sep 2025US 12,410,800 B2Molten Metal Equipment Innovations, LLC
Metal melt pump with heat insulating hood2 Sep 2025US 12,405,062 B2Zmag, Ltd.

Most cited

By later US patents