H01Q 9/38
With counterpoise
Official title: with counterpoise (with counterpoise comprising elongated elements coplanar with the active element H01Q9/44)
H01Q9/38 (With counterpoise) appears on 120 US grants and 88 published applications in this corpus.
Search patents in H01Q- Granted patents
- 120
- Published applications
- 88
- Assignees
- 104
- Inventors
- 253
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 2 | 1 |
| 2004 | 4 | 6 |
| 2005 | 3 | 8 |
| 2006 | 7 | 4 |
| 2007 | 6 | 4 |
| 2008 | 3 | 2 |
| 2009 | 4 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 9 |
| 2013 | 3 | 1 |
| 2014 | 5 | 2 |
| 2015 | 0 | 4 |
| 2016 | 3 | 4 |
| 2017 | 6 | 2 |
| 2018 | 0 | 8 |
| 2019 | 5 | 6 |
| 2020 | 6 | 3 |
| 2021 | 5 | 3 |
| 2022 | 4 | 3 |
| 2023 | 3 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadband tapered monopole antenna2 Jun 2026US 12,646,849 B1FIRST RF Corporation
- Antenna systems for circularly polarized radio signals12 May 2026US 12,625,277 B1Seescan, Inc.
- Multi-purpose accessory system for wireless communication device11 Mar 2025US 12,249,758 B2L3Harris Global Communications, Inc.
- Dual antenna wireless communication device in a load control system10 Dec 2024US 12,166,266 B2Lutron Technology Company LLC
- Vehicle antenna glazing23 Jul 2024US 12,046,797 B2Agc Glass Europe
- Antenna, antenna device, and antenna unit11 Jun 2026US 2026/0163241 A1Yokowo Co., Ltd.
- Antenna substrate and antenna module24 Jul 2025US 2025/0239760 A1Murata Manufacturing Co., Ltd.
- Multi-purpose accessory system for wireless communication device5 Jun 2025US 2025/0183523 A1L3Harris Global Communications, Inc.
- Dual Antenna Wireless Communication Device in a Load Control System27 Feb 2025US 2025/0070453 A1Lutron Technology Company LLC
- Multi-purpose accessory system for wireless communication device28 Sep 2023US 2023/0307822 A1Harris Global Communications, Inc.
Most cited
By later US patents
- Fractal antenna ground counterpoise, ground planes, and loading elements228US 6,140,975 A2000
- Signal receiver92US 5,030,963 ASony Corporation · 1991
- Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement66US 6,342,859 B12002
- Planar sleeve dipole antenna52US 6,337,666 B12002
- Concealed antenna applying electrically-shortened elements and durable construction36US 5,349,362 A1994