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H01B 3/427

Polyethers

Official title: {Polyethers}

H01B3/427 (Polyethers) appears on 218 US grants and 301 published applications in this corpus.

Search patents in H01B

Granted patents: 218
Published applications: 301
Assignees: 163
Inventors: 642
Latest grant: 29 Sep 2026

Filings by year

H01B 3/427: granted patents and published applications per publication year
Year	Granted patents	Published applications
1982	1	0
1983	2	0
1984	1	0
1985	1	0
1986	0	0
1987	0	0
1988	2	0
1989	2	0
1990	1	0
1991	1	0
1992	4	0
1993	3	0
1994	1	0
1995	2	0
1996	2	0
1997	1	0
1998	1	0
1999	2	0
2000	3	0
2001	2	1
2002	2	3
2003	1	3
2004	4	1
2005	0	3
2006	4	10
2007	3	5
2008	3	10
2009	5	13
2010	10	13
2011	4	9
2012	6	13
2013	3	16
2014	11	24
2015	11	17
2016	10	21
2017	10	20
2018	11	20
2019	26	23
2020	12	16
2021	13	12
2022	3	6
2023	11	10
2024	8	7
2025	10	18
2026	5	7

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

Recent patents

Insulated electrical wire and resin composition29 Sep 2026US 12,749,592 B2Daikin Industries, Ltd.
Insulated wire and preparation method therefor, winding wire, and electrical device26 May 2026US 12,640,282 B2Well Ascent Electronic (Ganzhou) Co., Ltd.
Resin composition, self-fusing insulated electric wire and wire bundle3 Mar 2026US 12,565,565 B2Sumitomo Electric Industries, Ltd.
Conductive substrate comprising a conductive thin wire containing a metal and method of making thereof17 Feb 2026US 12,554,194 B2FUJIFILM Corporation
Insulated wire and preparation method thereof, coil and electronic/electrical device6 Jan 2026US 12,518,895 B2Well Ascent Electronic (Ganzhou) Co., Ltd.

Most cited

By later US patents