H01Q 21/14
Adcock antennas
H01Q21/14 (Adcock antennas) appears on 20 US grants and 13 published applications in this corpus.
Search patents in H01Q- Granted patents
- 20
- Published applications
- 13
- Assignees
- 17
- Inventors
- 35
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Phased circular array of planar omnidirectional radiating elements10 Jun 2025US 12,327,925 B2Rochester Institute of Technology
- Portable electromagnetic countermeasure device30 Apr 2024US 11,973,585 B2
- Interferometric direction-finding antenna array with multiplexed/switched radiating elements14 Feb 2023US 11,579,234 B2Rockwell Collins, Inc.
- Common antenna assembly and common antenna structure10 Aug 2021US 11,088,469 B1Auden Techno Corp.
- Antenna array with wide-band reactance cancellation20 Apr 2021US RE48,528 E1HRL Laboratories, LLC
- Portable Electromagnetic Countermeasure Device15 Jun 2023US 2023/0188243 A1Combat Bound LLC
- Phased circular array of planar omnidirectional radiating elements11 May 2023US 2023/0142297 A1Rochester Institute of Technology
- Interferometric Direction-Finding Antenna Array with Multiplexed/Switched Radiating Elements11 Nov 2021US 2021/0349173 A1Rockwell Collins, Inc.
- Multifunctional signal transceiver24 Jan 2019US 2019/0027840 A1Shenzhen Antop Technology Limited (Cn)
- Antenna, antenna array, and wireless communication device6 Jul 2017US 2017/0194717 A1NEC Corporation
Most cited
By later US patents
- Dual polarized cross bow tie dipole antenna having integrated airline feed62US 6,028,563 AAlcatel · 2000
- Quadrupole adcock direction finder and antenna therefor11US 3,939,477 ASouthwest Research Institute · 1976
- Omnidirectional antenna system for radio direction finding10US 5,237,336 ASociete Technique d'Application et de Recherche Electronique · 1993
- Wideband communication antenna systems with low angle multipath suppression7US 7,583,236 B1BAE Systems Information and Electronic Systems Integration Inc. · 2009
- Communicating distinct data over a single frequency using multiple linear polarized signals5US 8,605,807 B12013