H01Q 21/26
Turnstile or like antennas comprising arrangements of three or more elongated elements
Official title: Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q21/26 (Turnstile or like antennas comprising arrangements of three or more elongated elements) appears on 1,051 US grants and 1,171 published applications in this corpus.
Search patents in H01Q- Granted patents
- 1,051
- Published applications
- 1,171
- Assignees
- 408
- Inventors
- 1,983
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 1 |
| 2002 | 13 | 12 |
| 2003 | 14 | 12 |
| 2004 | 11 | 15 |
| 2005 | 10 | 12 |
| 2006 | 16 | 11 |
| 2007 | 3 | 19 |
| 2008 | 13 | 23 |
| 2009 | 13 | 23 |
| 2010 | 18 | 20 |
| 2011 | 16 | 19 |
| 2012 | 17 | 29 |
| 2013 | 18 | 30 |
| 2014 | 19 | 44 |
| 2015 | 30 | 47 |
| 2016 | 43 | 30 |
| 2017 | 41 | 46 |
| 2018 | 40 | 65 |
| 2019 | 58 | 60 |
| 2020 | 57 | 80 |
| 2021 | 84 | 98 |
| 2022 | 84 | 88 |
| 2023 | 90 | 108 |
| 2024 | 88 | 120 |
| 2025 | 83 | 94 |
| 2026 | 85 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-profile magneto-electric dipole antenna6 Oct 2026US 12,756,104 B1Lockheed Martin Corporation
- Antenna having a spatial bandpass structure and parasitic radiator6 Oct 2026US 12,756,106 B2Galtronics USA, Inc.
- Dipole antenna unit and base station antenna6 Oct 2026US 12,756,114 B2Suzhou Luxshare Technology Co., Ltd.
- Multi-antenna arrangement and its connecting method29 Sep 2026US 12,749,826 B2Aeterlink Corp.
- Method for operating an ultra-wideband electromagnetic source22 Sep 2026US 12,742,616 B2DRS Training & Control Systems, LLC
- Radio frequency devices and systems including radio frequency devices1 Oct 2026US 2026/0302649 A1Infineon Technologies AG
- Low elevation angle nulling antenna methods and systems24 Sep 2026US 2026/0291074 A1
- Antenna17 Sep 2026US 2026/0280150 A1Beijing BOE Sensor Technology Co., Ltd.
- Antenna element17 Sep 2026US 2026/0280151 A1Cellmax Technologies AB
- Low band dipole and multi-band multi-port antenna arrangement3 Sep 2026US 2026/0261041 A1RFS Technologies, Inc.
Most cited
By later US patents
- Radio frequency identification tag368US 5,682,143 AInternational Business Machines Corporation · 1997
- Phased array antenna system using polarization phase shifting282US 5,434,575 ACalifornia Microwave, Inc. · 1995
- Antenna arrangement, in particular for a mobile radio base station249US 7,679,576 B2Kathrein-Werke KG · 2010
- Dual polarization antenna and associated methods246US 7,358,921 B2Harris Corporation · 2008
- Dual polarized array antenna228US 6,067,053 AEMS Technologies, Inc. · 2000