H01P 1/209
Comprising one or more branching arms or cavities wholly outside the main
Official title: comprising one or more branching arms or cavities wholly outside the main waveguide
H01P1/209 (Comprising one or more branching arms or cavities wholly outside the main) appears on 51 US grants and 35 published applications in this corpus.
Search patents in H01P- Granted patents
- 51
- Published applications
- 35
- Assignees
- 41
- Inventors
- 111
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 3 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 3 | 5 |
| 2021 | 2 | 1 |
| 2022 | 3 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waveguide with a curved-wall low-pass filter12 May 2026US 12,627,020 B2Aptiv Technologies AG
- Cross-coupling structure for dielectric cavity filters8 Oct 2024US 12,113,262 B2Universal Microwave Technology, Inc.
- Waveguide band-stop filter arrangement16 Apr 2024US 11,962,055 B2Telefonaktiebolaget LM Ericsson (publ)
- Electric coupling of a substrate integrated waveguide cavity resonator to a suspended substrate stripline low pass filter for introducing a notch response5 Mar 2024US 11,923,589 B2Benchmark Electronics, Inc.
- Millimeter-wave resonator and associated methods20 Jun 2023US 11,682,819 B2The University of Chicago
- A filter arrangement for quantum processors29 May 2025US 2025/0174865 A1Sweden Quantum AB
- Filter device24 Apr 2025US 2025/0132481 A1Murata Manufacturing Co., Ltd.
- Waveguide with a Curved-Wall Low-Pass Filter21 Nov 2024US 2024/0387971 A1Aptiv Technologies AG
- Cross-coupling structure for dielectric cavity filters30 May 2024US 2024/0178536 A1Universal Microwave Technology, Inc.
- Electric coupling of a substrate integrated waveguide cavity resonator to a suspended substrate stripline low pass filter for introducing a notch response2 Nov 2023US 2023/0352805 A1Benchmark Electronics, Inc.
Most cited
By later US patents
- Waveguide manifold coupled multiplexer with triple mode filters31US 4,614,920 ACom Dev Ltd. · 1986
- Bandstop filter having symmetrically altered or compensated quarter wavelength transmission line sections28US 5,191,304 AOrion Industries, Inc. · 1993
- Narrow-band, bandstop filter26US 5,065,119 AOrion Industries, Inc. · 1991
- Extracted pole filter15US 4,360,793 A1982
- Phase slope equalizer for satellite antennas14US 4,868,575 A1989