H01P 1/2131
With combining or separating polarisations
Official title: {with combining or separating polarisations}
H01P1/2131 (With combining or separating polarisations) appears on 88 US grants and 49 published applications in this corpus.
Search patents in H01P- Granted patents
- 88
- Published applications
- 49
- Assignees
- 61
- Inventors
- 165
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 4 |
| 2004 | 1 | 2 |
| 2005 | 2 | 4 |
| 2006 | 4 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 4 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 4 | 8 |
| 2023 | 3 | 1 |
| 2024 | 6 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact high power radio frequency polarizer group1 Sep 2026US 12,725,898 B2TibaRay, Inc.
- Multiband piston polarizer waveguide assembly including coaxially configured inner and outer waveguide cavities30 Jun 2026US 12,671,159 B1Lockheed Martin Corporation
- Wideband septum polarizer for reducing higher order mode3 Feb 2026US 12,542,339 B2Intellian Technologies Inc.
- Modular diplexer subsystem comprising an RF module and a diplexer module coupled to each other, where the diplexer module is reversible3 Jun 2025US 12,322,847 B2Trango Networks, LLC
- Integrated microwave radio frequency feed network18 Feb 2025US 12,230,876 B1Lockheed Martin Corporation
- Modular microwave transmission system with automatic configuration20 Nov 2025US 2025/0357652 A1Trango Networks, LLC
- Radar sensor and waveguide separation17 Jul 2025US 2025/0231275 A1VEGA Grieshaber KG
- Planar monolithic combiner and multiplexer for antenna arrays19 Dec 2024US 2024/0421497 A1Optisys, Inc.
- Modular microwave transmission system with automatic configuration5 Sep 2024US 2024/0297429 A1Trango Networks, LLC
- Wideband Septum Polarizer for Reducing Higher Order Mode15 Aug 2024US 2024/0275007 A1Intellian Technologies Inc.
Most cited
By later US patents
- Multimode coupling system including a funnel-shaped multimode coupler232US 4,030,048 ARCA Corporation · 1977
- Plural frequency antenna feed216US 5,784,033 AHughes Electronics Corporation · 1998
- Wide bandwidth multiband feed system with polarization diversity35US 4,847,574 A1989
- Multifrequency broadband polarized horn antenna32US 4,258,366 A1981
- Waveguide apparatus and method for dual polarized and dual frequency signals32US 4,467,294 AVitalink Communications Corporation · 1984