H02K 29/00

Motors or generators having non-mechanical commutating devices

Official title: Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices

H02K29/00 (Motors or generators having non-mechanical commutating devices) appears on 2,960 US grants and 2,484 published applications in this corpus.

Search patents in H02K

Granted patents: 2,960
Published applications: 2,484
Assignees: 1,064
Inventors: 5,316
Latest grant: 6 Oct 2026

Filings by year

H02K 29/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	8	0
1977	12	0
1978	23	0
1979	12	0
1980	12	0
1981	15	0
1982	21	0
1983	15	0
1984	27	0
1985	34	0
1986	34	0
1987	50	0
1988	64	0
1989	51	0
1990	44	0
1991	50	0
1992	47	0
1993	35	0
1994	30	0
1995	38	0
1996	31	0
1997	68	0
1998	76	0
1999	80	0
2000	81	0
2001	68	21
2002	65	61
2003	45	67
2004	85	90
2005	71	94
2006	56	98
2007	58	71
2008	57	72
2009	57	97
2010	68	98
2011	67	84
2012	71	90
2013	72	98
2014	76	111
2015	52	102
2016	68	118
2017	74	116
2018	81	125
2019	143	146
2020	120	146
2021	111	132
2022	102	122
2023	100	98
2024	112	109
2025	74	88
2026	49	30

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

Motors or generators having non-mechanical commutating devices

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