H01P 1/202
Coaxial filters
Official title: Coaxial filters (cascaded coaxial cavities H01P1/205)
H01P1/202 (Coaxial filters) appears on 214 US grants and 197 published applications in this corpus.
Search patents in H01P- Granted patents
- 214
- Published applications
- 197
- Assignees
- 127
- Inventors
- 413
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 10 |
| 2004 | 3 | 8 |
| 2005 | 3 | 11 |
| 2006 | 2 | 3 |
| 2007 | 10 | 5 |
| 2008 | 6 | 11 |
| 2009 | 5 | 9 |
| 2010 | 8 | 9 |
| 2011 | 3 | 6 |
| 2012 | 3 | 10 |
| 2013 | 6 | 7 |
| 2014 | 7 | 9 |
| 2015 | 7 | 9 |
| 2016 | 12 | 8 |
| 2017 | 15 | 16 |
| 2018 | 14 | 13 |
| 2019 | 13 | 11 |
| 2020 | 12 | 7 |
| 2021 | 9 | 7 |
| 2022 | 6 | 9 |
| 2023 | 7 | 2 |
| 2024 | 3 | 5 |
| 2025 | 3 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coaxial filter including bent high impedance segments and low impedance segments with bypass grooves29 Sep 2026US 12,749,786 B2Suzhou Luxshare Technology Co., Ltd.
- Metal integrated suspended line (MISL) circuits29 Sep 2026US 12,750,947 B2Tianjin University
- Connector with embedded filter9 Jun 2026US 12,651,874 B2Electronic Device Solution Inc.
- RF filter and communication device having the same6 Jan 2026US 12,519,196 B2Telefonaktiebolaget LM Ericsson (publ)
- Multi-mode cavity filter and cavity filtering device28 Oct 2025US 12,456,787 B2Samsung Electronics Co., Ltd.
- Low-pass filter device26 Mar 2026US 2026/0088479 A1Kmw Inc.
- Coaxial double motor for tuning rf filter and rf filter-tuning apparatus using the same, and method thereof5 Mar 2026US 2026/0066512 A1Erangtek
- Slow-wave structure, traveling-wave tube, and communication apparatus29 Jan 2026US 2026/0031297 A1Huawei Technologies Co., Ltd.
- Feedhorn8 Jan 2026US 2026/0011924 A1Intellian Technologies Inc.
- Quantum device11 Sep 2025US 2025/0286259 A1Fujitsu Limited
Most cited
By later US patents
- Miniature RF and microwave components and methods for fabricating such components233US 7,830,228 B2Microfabrica Inc. · 2010
- Enhanced safety coaxial cables205US 6,284,971 B1The Johns Hopkins University School of Medicine · 2001
- Miniature RF and microwave components and methods for fabricating such components112US 7,239,219 B2Microfabrica Inc. · 2007
- Methods of and apparatus for electrochemically fabricating structures via interlaced layers or via selective etching and filling of voids95US 7,252,861 B2Microfabrica Inc. · 2007
- Miniature RF and microwave components and methods for fabricating such components82US 7,259,640 B2Microfabrica Inc. · 2007