H01F 27/363
Made of electrically conductive material
Official title: {made of electrically conductive material}
H01F27/363 (Made of electrically conductive material) appears on 658 US grants and 745 published applications in this corpus.
Search patents in H01F- Granted patents
- 658
- Published applications
- 745
- Assignees
- 358
- Inventors
- 1,576
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 8 |
| 2003 | 9 | 12 |
| 2004 | 10 | 6 |
| 2005 | 9 | 14 |
| 2006 | 15 | 13 |
| 2007 | 9 | 15 |
| 2008 | 7 | 14 |
| 2009 | 4 | 17 |
| 2010 | 7 | 14 |
| 2011 | 20 | 19 |
| 2012 | 14 | 12 |
| 2013 | 10 | 27 |
| 2014 | 17 | 42 |
| 2015 | 17 | 50 |
| 2016 | 28 | 33 |
| 2017 | 33 | 46 |
| 2018 | 51 | 73 |
| 2019 | 44 | 73 |
| 2020 | 51 | 53 |
| 2021 | 47 | 40 |
| 2022 | 56 | 46 |
| 2023 | 36 | 38 |
| 2024 | 35 | 30 |
| 2025 | 27 | 30 |
| 2026 | 16 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer and elastomer compositions having carbon nanostructure additives and articles formed therefrom for use in EMI and RFI shielding and in pressure sensing seals having quantum tunneling composite effects22 Sep 2026US 12,742,065 B2Greene, Tweed Technologies, Inc.
- Dry-type transformer and winding method thereof1 Sep 2026US 12,725,727 B2Huawei Digital Power Technologies Co., Ltd.
- Isolation transformer and power converter25 Aug 2026US 12,718,981 B2Huawei Technologies Co., Ltd.
- Coil unit for inductively charging a vehicle, and system11 Aug 2026US 12,703,253 B2Bayerische Motoren Werke Aktiengesellschaft
- Power module and solid-state transformer system9 Jun 2026US 12,651,696 B2Delta Electronics (Shanghai) Co., Ltd.
- Quick assembly common mode filter10 Sep 2026US 2026/0269121 A1Tai-Tech Advanced Electronics Co., Ltd.
- Transformer isolator having rf shield structure for effective magnetic power transfer27 Aug 2026US 2026/0253794 A1Lam Research Corporation
- Switch and drive apparatus27 Aug 2026US 2026/0254450 A1Huawei Digital Power Technologies Co., Ltd.
- Magnetic Device Having Shielding Layer20 Aug 2026US 2026/0245788 A1Cyntec Co., Ltd.
- Coil Module and Electronic Device20 Aug 2026US 2026/0246300 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- System and method for inductive charging of portable devices499US 8,169,185 B2Mojo Mobility, Inc. · 2012
- System and method for inductive charging of portable devices173US 8,629,654 B2Mojo Mobility, Inc. · 2014
- Efficiency and flexibility in inductive charging140US 8,947,047 B2Mojo Mobility, Inc. · 2015
- System and method that provides efficiency and flexiblity in inductive charging82US 9,276,437 B2Mojo Mobility, Inc. · 2016
- Printed coil77US 5,521,573 AYokogawa Electric Corporation · 1996