H01Q 21/245
Provided with means for varying the polarisation
Official title: {provided with means for varying the polarisation (polarising devices H01Q15/24; tracking by comparing linear polarisation compounds G01S3/146; reducing depolarisation effects H04B7/00; polarisation diversity H04B7/10)}
H01Q21/245 (Provided with means for varying the polarisation) appears on 503 US grants and 430 published applications in this corpus.
Search patents in H01Q- Granted patents
- 503
- Published applications
- 430
- Assignees
- 294
- Inventors
- 1,065
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 4 |
| 2003 | 8 | 4 |
| 2004 | 2 | 2 |
| 2005 | 4 | 8 |
| 2006 | 4 | 5 |
| 2007 | 0 | 5 |
| 2008 | 8 | 6 |
| 2009 | 2 | 9 |
| 2010 | 7 | 9 |
| 2011 | 6 | 11 |
| 2012 | 5 | 11 |
| 2013 | 10 | 15 |
| 2014 | 15 | 7 |
| 2015 | 8 | 21 |
| 2016 | 15 | 14 |
| 2017 | 18 | 29 |
| 2018 | 24 | 32 |
| 2019 | 33 | 53 |
| 2020 | 46 | 38 |
| 2021 | 47 | 33 |
| 2022 | 34 | 28 |
| 2023 | 31 | 32 |
| 2024 | 27 | 25 |
| 2025 | 22 | 19 |
| 2026 | 14 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dipole structures and antennae15 Sep 2026US 12,738,669 B2BAE SYSTEMS plc
- Method and system for mitigating passive intermodulation (PIM) by performing polarization adjusting1 Sep 2026US 12,726,232 B2ISCO International, LLC
- Electronic device comprising hole through which signal having polarization passes18 Aug 2026US 12,712,286 B2Samsung Electronics Co., Ltd.
- Autonomous vehicle ranging system with polarized antenna28 Jul 2026US 12,695,213 B2General Radar Corporation
- Radio frequency (RF) polarization rotation devices and systems for interference mitigation14 Jul 2026US 12,683,292 B2ISCO International, LLC
- Antenna device, array antenna, and antenna control method13 Aug 2026US 2026/0237915 A1Axelspace Corporation
- Array Fed RF Lens Antenna6 Aug 2026US 2026/0229792 A1Matsing, Inc.
- Phase array antenna device and antenna unit thereof16 Jul 2026US 2026/0204806 A1Phasetrum Inc.
- Direction finding for omni-directional antenna systems9 Jul 2026US 2026/0196742 A1Dish Wireless L. L. C.
- Antenna cell array5 Mar 2026US 2026/0066534 A1
Most cited
By later US patents
- Phased array systems and phased array front-end devices243US 7,728,772 B2The Regents of the University of Michigan · 2010
- Dual polarized array antenna228US 6,067,053 AEMS Technologies, Inc. · 2000
- Polarization agility in an RF radiator module for use in a phased array208US 5,304,999 AElectromagnetic Sciences, Inc. · 1994
- Orthogonal mode junction (OMJ) for use in antenna system201US 6,107,897 AE*Star, Inc. · 2000
- Patch antenna with polarization uniformity control194US 5,006,859 AHughes Aircraft Company · 1991