H01Q 9/27
Spiral antennas
H01Q9/27 (Spiral antennas) appears on 504 US grants and 447 published applications in this corpus.
Search patents in H01Q- Granted patents
- 504
- Published applications
- 447
- Assignees
- 313
- Inventors
- 1,055
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 16 | 15 |
| 2003 | 10 | 12 |
| 2004 | 8 | 15 |
| 2005 | 21 | 13 |
| 2006 | 13 | 18 |
| 2007 | 9 | 21 |
| 2008 | 6 | 26 |
| 2009 | 16 | 27 |
| 2010 | 24 | 25 |
| 2011 | 13 | 22 |
| 2012 | 18 | 23 |
| 2013 | 21 | 32 |
| 2014 | 23 | 24 |
| 2015 | 25 | 16 |
| 2016 | 22 | 13 |
| 2017 | 20 | 23 |
| 2018 | 14 | 13 |
| 2019 | 19 | 24 |
| 2020 | 22 | 21 |
| 2021 | 21 | 7 |
| 2022 | 16 | 17 |
| 2023 | 19 | 11 |
| 2024 | 14 | 11 |
| 2025 | 7 | 9 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Parallel resonance antenna for radial plasma control25 Aug 2026US 12,719,171 B2Tokyo Electron Limited
- Terahertz transceiver including triple-barrier resonant tunneling diode28 Jul 2026US 12,695,198 B2National Tsing Hua University
- Reactively driven dipole antenna16 Jun 2026US 12,658,585 B2The United States of America as represented by the Secretary of the Navy
- Mattress degradation determination using radar28 Apr 2026US 12,611,347 B2Hill-Rom Services, Inc.
- Wideband spiral antenna system for a vehicle31 Mar 2026US 12,592,479 B2GM Global Technology Operations LLC
- Patient support apparatus having a detection and ranging system20 Aug 2026US 2026/0240702 A1Hill-Rom Services, Inc.
- Ultra-broadband dual-polarized folded dipole30 Jul 2026US 2026/0221657 A1Huawei Technologies Co., Ltd.
- Circular polarized spiral antenna for hearing assistance devices9 Jul 2026US 2026/0196714 A1Starkey Laboratories, Inc.
- Radio Wave Transmissivity of Printed Heaters2 Jul 2026US 2026/0186113 A1Illinois Tool Works Inc.
- Helical antenna25 Jun 2026US 2026/0180189 A1Compal Electronics, Inc.
Most cited
By later US patents
- Single chip transponder device415US 4,857,893 ABI Incorporated · 1989
- Printed twin spiral dual band antenna381US 6,166,694 ATelefonaktiebolaget LM Ericsson (publ) · 2000
- Printed multi-band patch antenna239US 6,343,208 B12002
- System including spiral antenna and dipole or monopole antenna235US 5,457,469 ARDI Electronics, Inc. · 1995
- Transponder device225US 4,724,427 AB. I. Incorporated · 1988