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H01F 7/1877

Controlling a plurality of loads

Official title: {controlling a plurality of loads}

H01F7/1877 (Controlling a plurality of loads) appears on 54 US grants and 36 published applications in this corpus.

Search patents in H01F

Granted patents: 54
Published applications: 36
Assignees: 44
Inventors: 120
Latest grant: 24 Mar 2026

Filings by year

H01F 7/1877: granted patents and published applications per publication year
Year	Granted patents	Published applications
1978	1	0
1979	0	0
1980	0	0
1981	1	0
1982	0	0
1983	1	0
1984	0	0
1985	0	0
1986	0	0
1987	1	0
1988	0	0
1989	0	0
1990	0	0
1991	1	0
1992	1	0
1993	1	0
1994	1	0
1995	1	0
1996	1	0
1997	2	0
1998	2	0
1999	4	0
2000	0	0
2001	1	0
2002	2	4
2003	6	1
2004	1	4
2005	4	2
2006	2	2
2007	0	0
2008	2	1
2009	1	2
2010	1	3
2011	0	1
2012	0	2
2013	2	1
2014	2	1
2015	1	1
2016	0	0
2017	1	2
2018	1	2
2019	1	1
2020	2	0
2021	2	2
2022	1	2
2023	1	0
2024	1	2
2025	0	0
2026	1	0

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

Recent patents

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Current control device for control of supply current with low-side and high-side switch elements and duration measurement21 May 2024US 11,990,897 B2Hitachi Astemo, Ltd.
Control logic circuit for connecting multiple high side loads in engine control module6 Jun 2023US 11,668,260 B2Cummins Inc.
Electromagnetic valve system26 Jul 2022US 11,396,954 B2SMC Corporation
Control logic circuit for connecting multiple high side loads in engine control module9 Nov 2021US 11,168,638 B2Cummins Inc.

Most cited

By later US patents