H01F 27/027
Specially adapted for combination of signal type inductors or transformers with electronic
Official title: {specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards}
H01F27/027 (Specially adapted for combination of signal type inductors or transformers with electronic) appears on 498 US grants and 468 published applications in this corpus.
Search patents in H01F- Granted patents
- 498
- Published applications
- 468
- Assignees
- 267
- Inventors
- 1,098
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 15 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 4 |
| 2002 | 23 | 31 |
| 2003 | 13 | 14 |
| 2004 | 13 | 30 |
| 2005 | 25 | 21 |
| 2006 | 23 | 33 |
| 2007 | 22 | 41 |
| 2008 | 23 | 27 |
| 2009 | 13 | 20 |
| 2010 | 24 | 23 |
| 2011 | 20 | 13 |
| 2012 | 12 | 13 |
| 2013 | 8 | 11 |
| 2014 | 11 | 8 |
| 2015 | 5 | 13 |
| 2016 | 5 | 11 |
| 2017 | 12 | 6 |
| 2018 | 9 | 12 |
| 2019 | 11 | 17 |
| 2020 | 8 | 15 |
| 2021 | 6 | 14 |
| 2022 | 14 | 13 |
| 2023 | 12 | 18 |
| 2024 | 20 | 30 |
| 2025 | 12 | 12 |
| 2026 | 10 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Current transformer assemblies8 Sep 2026US 12,731,727 B2Schneider Electric USA, Inc.
- Ferrite bead, bias circuit, optical module, and communication device25 Aug 2026US 12,718,978 B2Huawei Technologies Co., Ltd.
- Isolation transformer and power converter25 Aug 2026US 12,718,981 B2Huawei Technologies Co., Ltd.
- Integrated circuit25 Aug 2026US 12,721,183 B2Texas Instruments Incorporated
- Coil component16 Jun 2026US 12,658,350 B2Murata Manufacturing Co., Ltd.
- Electronic component8 Oct 2026US 2026/0311928 A1TDK Corporation
- Medical Wireless Charging Device With Ferrite Stack Centered And Directly Contacted To A Charging Coil8 Oct 2026US 2026/0312429 A1Greatbatch Ltd.
- Haptic actuator module in an electronic device10 Sep 2026US 2026/0267417 A1
- Coil component, and method for manufacturing coil component20 Aug 2026US 2026/0245781 A1Delta Electronics (Japan), Inc.
- Current Transformer Determining An Operating State25 Jun 2026US 2026/0177621 A1Senva Inc.
Most cited
By later US patents
- Single unit integrated transformer assembly186US 6,483,203 B13Com Corporation · 2002
- Multi-layer, multi-functioning printed circuit board118US 6,420,953 B1Pulse Engineering, Inc. · 2002
- Method of making a surface-mount power magnetic device84US 5,345,670 AAT&T Bell Laboratories · 1994
- Wire wound electronic component84US 6,198,373 B1Taiyo Yuden Co., Ltd. · 2001
- Transformer for use with surface mounting technology83US 4,975,671 AApple Computer, Inc. · 1990