F04D 25/0613

The electric motor being of the inside-out type, i.e. the rotor is

Official title: {the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator}

F04D25/0613 (The electric motor being of the inside-out type, i.e. the rotor is) appears on 1,349 US grants and 1,861 published applications in this corpus.

Search patents in F04D

Granted patents: 1,349
Published applications: 1,861
Assignees: 449
Inventors: 2,624
Latest grant: 6 Oct 2026

Filings by year

F04D 25/0613: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	0	0
1978	3	0
1979	0	0
1980	2	0
1981	0	0
1982	0	0
1983	0	0
1984	1	0
1985	0	0
1986	1	0
1987	2	0
1988	4	0
1989	0	0
1990	4	0
1991	0	0
1992	0	0
1993	5	0
1994	4	0
1995	2	0
1996	1	0
1997	8	0
1998	4	0
1999	12	0
2000	18	0
2001	25	4
2002	23	28
2003	25	31
2004	17	22
2005	15	50
2006	24	56
2007	24	97
2008	39	104
2009	34	97
2010	43	77
2011	55	67
2012	69	104
2013	39	114
2014	54	122
2015	81	104
2016	63	63
2017	63	72
2018	67	103
2019	80	116
2020	75	78
2021	72	71
2022	90	59
2023	55	52
2024	64	57
2025	50	55
2026	30	58

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

The electric motor being of the inside-out type, i.e. the rotor is

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