H03H 1/0007
Constructional details of impedance networks whose electrical mode of operation is not
Official title: {of radio frequency interference filters}
H03H1/0007 (Constructional details of impedance networks whose electrical mode of operation is not) appears on 717 US grants and 589 published applications in this corpus.
Search patents in H03H- Granted patents
- 717
- Published applications
- 589
- Assignees
- 363
- Inventors
- 1,324
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 12 | 0 |
| 1987 | 16 | 0 |
| 1988 | 19 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 17 | 0 |
| 2001 | 6 | 4 |
| 2002 | 22 | 8 |
| 2003 | 8 | 10 |
| 2004 | 17 | 17 |
| 2005 | 8 | 10 |
| 2006 | 11 | 5 |
| 2007 | 4 | 18 |
| 2008 | 9 | 20 |
| 2009 | 12 | 13 |
| 2010 | 14 | 32 |
| 2011 | 16 | 27 |
| 2012 | 18 | 29 |
| 2013 | 21 | 18 |
| 2014 | 27 | 26 |
| 2015 | 31 | 31 |
| 2016 | 22 | 27 |
| 2017 | 20 | 36 |
| 2018 | 43 | 37 |
| 2019 | 42 | 43 |
| 2020 | 39 | 24 |
| 2021 | 24 | 40 |
| 2022 | 26 | 30 |
| 2023 | 22 | 21 |
| 2024 | 24 | 27 |
| 2025 | 27 | 19 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LC filter, multiplexer, high frequency module, and communication device22 Sep 2026US 12,744,146 B2Murata Manufacturing Co., Ltd.
- EMC hardware filter for a fleet management apparatus1 Sep 2026US 12,726,105 B2Carrier Corporation
- Technologies for low-leakage on-chip capacitors11 Aug 2026US 12,707,654 B2Intel Corporation
- Air compressor7 Jul 2026US 12,676,535 B2Hanon Systems
- Combiner circuits, and related devices and methods16 Jun 2026US 12,658,945 B2Skyworks Solutions, Inc.
- Electromagnetic Interference Shield24 Sep 2026US 2026/0291459 A1Apple Inc.
- Printed filter17 Sep 2026US 2026/0280508 A1Wnc Corporation
- Acoustic device packaging structure17 Sep 2026US 2026/0280509 A1Skyworks Solutions, Inc.
- Balanced filter10 Sep 2026US 2026/0269802 A1Murata Manufacturing Co., Ltd.
- Power-Over Data Line Communication Device and Power-Over Data Line Communication System9 Jul 2026US 2026/0197208 A1Astemo, Ltd.
Most cited
By later US patents
- In-line module for attenuating electrical noise with male and female blade terminals315US 5,982,253 ANartron Corporation · 1999
- Filtered feedthrough assembly having a mounted chip capacitor for medical implantable devices and method of manufacture therefor293US 5,650,759 AHittman Materials & Medical Components, Inc. · 1997
- Chip capacitors and chip capacitor electromagnetic interference filters257US 5,973,906 AMaxwell Energy Products, Inc. · 1999
- Electromagnetic interference (emi) filter and process for providing electromagnetic compatibility of an electronic device while in the presence of an electromagnetic emitter operating at the same frequency257US 6,424,234 B1Greatbatch-Sierra, Inc. · 2002
- Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active implantable medical devices251US 7,363,090 B2Greatbatch Ltd. · 2008