H03H 7/425
Balance-balance networks
Official title: {Balance-balance networks}
H03H7/425 (Balance-balance networks) appears on 426 US grants and 446 published applications in this corpus.
Search patents in H03H- Granted patents
- 426
- Published applications
- 446
- Assignees
- 259
- Inventors
- 901
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 9 |
| 2003 | 6 | 12 |
| 2004 | 3 | 9 |
| 2005 | 10 | 10 |
| 2006 | 12 | 11 |
| 2007 | 7 | 12 |
| 2008 | 7 | 13 |
| 2009 | 11 | 15 |
| 2010 | 7 | 12 |
| 2011 | 7 | 16 |
| 2012 | 13 | 7 |
| 2013 | 13 | 13 |
| 2014 | 15 | 31 |
| 2015 | 18 | 32 |
| 2016 | 29 | 31 |
| 2017 | 24 | 36 |
| 2018 | 32 | 25 |
| 2019 | 41 | 26 |
| 2020 | 19 | 19 |
| 2021 | 21 | 24 |
| 2022 | 23 | 15 |
| 2023 | 14 | 16 |
| 2024 | 18 | 20 |
| 2025 | 19 | 16 |
| 2026 | 3 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-band RF mixer chain using dual-band matching network and shared local oscillator14 Apr 2026US 12,603,663 B2Apple Inc.
- Laminated common mode filter31 Mar 2026US 12,592,336 B2Amotech Co., Ltd.
- Radio frequency signal splitting with differential filter and low noise amplifiers24 Mar 2026US 12,587,224 B2Skyworks Solutions, Inc.
- Interstage matching network attenuator30 Dec 2025US 12,512,808 B2Intel Corporation
- Active filter device and electric compressor comprising same16 Dec 2025US 12,500,574 B2Sanden Corporation
- Balun and mixer27 Aug 2026US 2026/0254433 A1Nanjing Milewei Corp
- Power-Over Data Line Communication Device and Power-Over Data Line Communication System9 Jul 2026US 2026/0197208 A1Astemo, Ltd.
- Transformation module for an rf amplifier arrangement, rf amplifier arrangement comprising such a transformation module, and arrangement for accelerating particles comprising at least one such rf amplifier arrangement2 Jul 2026US 2026/0189198 A1Trumpf HüTtinger GmbH + Co. KG
- Dual-stage radio frequency transformers2 Jul 2026US 2026/0189208 A1Skyworks Solutions, Inc.
- Radio frequency signal splitting with differential filter and low noise amplifiers2 Jul 2026US 2026/0189254 A1Skyworks Solutions, Inc.
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 connector/adaptor for unshielded twisted pair wiring145US 5,346,410 ATandem Computers Incorporated · 1994
- Power line filter and surge protection circuit components and circuits104US 5,142,430 A1992
- Combined differential-mode common-mode noise filter95US 5,321,373 ADigital Equipment Corporation · 1994
- End cap assembly and electrical motor utilizing same88US 6,078,117 ANartron Corporation · 2000