B60W 20/40

Controlling the engagement or disengagement of prime movers

Official title: Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers {(power-up or power-down of the driveline B60W30/192)}

B60W20/40 (Controlling the engagement or disengagement of prime movers) appears on 2,231 US grants and 2,510 published applications in this corpus.

Search patents in B60W

Granted patents: 2,231
Published applications: 2,510
Assignees: 318
Inventors: 3,537
Latest grant: 29 Sep 2026

Filings by year

B60W 20/40: granted patents and published applications per publication year
Year	Granted patents	Published applications
1983	1	0
1984	0	0
1985	1	0
1986	0	0
1987	1	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	2	0
1996	2	0
1997	2	0
1998	5	0
1999	3	0
2000	11	0
2001	13	7
2002	23	14
2003	17	25
2004	23	18
2005	13	15
2006	19	17
2007	12	43
2008	10	37
2009	13	63
2010	35	61
2011	31	53
2012	61	63
2013	79	191
2014	131	183
2015	203	240
2016	209	207
2017	183	159
2018	155	175
2019	169	159
2020	150	133
2021	110	140
2022	149	154
2023	131	147
2024	94	84
2025	114	73
2026	56	49

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

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