H01P 1/022
In waveguides of polygonal cross-section
Official title: {in waveguides of polygonal cross-section (H01P1/065 takes precedence)}
H01P1/022 (In waveguides of polygonal cross-section) appears on 104 US grants and 106 published applications in this corpus.
Search patents in H01P- Granted patents
- 104
- Published applications
- 106
- Assignees
- 87
- Inventors
- 225
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 3 |
| 2017 | 4 | 6 |
| 2018 | 8 | 8 |
| 2019 | 3 | 16 |
| 2020 | 18 | 14 |
| 2021 | 10 | 10 |
| 2022 | 8 | 4 |
| 2023 | 7 | 3 |
| 2024 | 5 | 5 |
| 2025 | 6 | 7 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waveguide with a curved-wall low-pass filter12 May 2026US 12,627,020 B2Aptiv Technologies AG
- Antenna assembly with metallized cavity waveguide24 Mar 2026US 12,586,915 B2NXP B. V.
- Hollow metal waveguides having irregular hexagonal cross-sections and methods of fabricating same26 Aug 2025US RE50,560 E1Optisys, Inc.
- Integrated tracking antenna array5 Aug 2025US 12,381,304 B2Optisys, Inc.
- Signal transmission line29 Jul 2025US 12,374,768 B2Murata Manufacturing Co., Ltd.
- Radiating element, waveguide antenna, and method for manufacturing a radiating element16 Jul 2026US 2026/0204788 A1
- Radar device19 Feb 2026US 2026/0050061 A1Stanley Electric Co., Ltd.
- Antenna assembly with metallized cavity waveguide19 Feb 2026US 2026/0051660 A1NXP B. V.
- Half-Mode Waveguide Having An Asymmetric Structure For A Radar System12 Feb 2026US 2026/0045673 A1Aptiv Technologies AG
- Innovative Open Waveguide Bend for Leakage Mitigation5 Feb 2026US 2026/0036670 A1Aptiv Technologies AG
Most cited
By later US patents
- Waveguide bend having a square shape cross-section232US 7,750,763 B2Kathrein-Werke KG · 2010
- Antenna35US 9,673,532 B2Huawei Technologies Co., Ltd. · 2017
- Waveguide device, and antenna device including the waveguide device30US 10,158,158 B2Nidec Corporation · 2018
- Waveguide device, slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna28US 10,042,045 B2Nidec Corporation · 2018
- RF structure and a method of forming an RF structure23US 10,833,382 B2BAE Systems Australia Limited · 2020