H01B 3/002
Inhomogeneous material in general
Official title: {Inhomogeneous material in general}
H01B3/002 (Inhomogeneous material in general) appears on 319 US grants and 368 published applications in this corpus.
Search patents in H01B- Granted patents
- 319
- Published applications
- 368
- Assignees
- 270
- Inventors
- 1,095
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 3 | 0 |
| 1978 | 15 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 7 |
| 2007 | 4 | 11 |
| 2008 | 0 | 6 |
| 2009 | 6 | 12 |
| 2010 | 4 | 13 |
| 2011 | 7 | 17 |
| 2012 | 8 | 17 |
| 2013 | 13 | 26 |
| 2014 | 15 | 21 |
| 2015 | 13 | 25 |
| 2016 | 17 | 38 |
| 2017 | 16 | 27 |
| 2018 | 26 | 24 |
| 2019 | 24 | 21 |
| 2020 | 18 | 22 |
| 2021 | 16 | 13 |
| 2022 | 7 | 13 |
| 2023 | 9 | 12 |
| 2024 | 10 | 19 |
| 2025 | 8 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for regulating thermal boundary conductance between metal and insulator6 Oct 2026US 12,755,861 B2Nanjing University
- Semiconductive polymer composition25 Aug 2026US 12,718,968 B2Borealis AG
- Powder coating formulation for an insulation system of an electric machine17 Mar 2026US 12,580,437 B2Innomotics GmbH
- Electrical cable with dielectric film6 Jan 2026US 12,518,894 B2Swift Bridge Technologies (M) SDN BHD
- Low loss tangent dielectric based on spinel-structured oxide30 Dec 2025US 12,512,232 B2Skyworks Solutions, Inc.
- Conductive particles, conductive materials using the same8 Oct 2026US 2026/0311908 A1Duk San Neolux Co., Ltd.
- Micro-nano gradient modified high-voltage overhead conductor for anti-icing and method of manufacturing same1 Oct 2026US 2026/0302001 A1Guangxi University
- Electrical Insulation Composition Comprising Carbon-Based Nanoparticles30 Jul 2026US 2026/0221309 A1NKT HV Cables AB
- Low loss tangent dielectric based on spinel-structured oxide2 Jul 2026US 2026/0188537 A1Skyworks Solutions, Inc.
- Laminate of conductor and insulating coating, coil, rotating electric machine, insulating resin composition, insulating paint, and insulating film16 Apr 2026US 2026/0106050 A1Sumitomo Seika Chemicals Co., Ltd.
Most cited
By later US patents
- Low thermal expansive, electroconductive composite ceramics99US 4,098,725 ATokyo Denki Kagaku Kogyo Kabushiki Kaisha · 1978
- Solid state electrically conductive laminate95US 4,250,398 ADelphic Research Laboratories, Inc. · 1981
- Positive temperature coefficient of resistance compositions92US 4,560,498 ARaychem Corporation · 1985
- Corona-resistant insulation, electrical conductors covered therewith and dynamoelectric machines and transformers incorporating components of such insulated conductors86US 4,760,296 AGeneral Electric Company · 1988
- Highly dielectric film82US 8,871,850 B2Daikin Industries, Ltd. · 2014