H01Q 13/12
Longitudinally slotted cylinder antennas
Official title: Longitudinally slotted cylinder antennas; Equivalent structures
H01Q13/12 (Longitudinally slotted cylinder antennas) appears on 120 US grants and 82 published applications in this corpus.
Search patents in H01Q- Granted patents
- 120
- Published applications
- 82
- Assignees
- 86
- Inventors
- 246
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 8 | 4 |
| 2004 | 5 | 4 |
| 2005 | 6 | 5 |
| 2006 | 4 | 3 |
| 2007 | 2 | 1 |
| 2008 | 4 | 3 |
| 2009 | 4 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 3 | 3 |
| 2014 | 1 | 2 |
| 2015 | 4 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 7 |
| 2018 | 7 | 6 |
| 2019 | 4 | 3 |
| 2020 | 9 | 8 |
| 2021 | 8 | 4 |
| 2022 | 6 | 7 |
| 2023 | 3 | 1 |
| 2024 | 2 | 6 |
| 2025 | 3 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double slot array antenna design method and double slot array antenna designed thereby19 May 2026US 12,633,673 B2Hl Klemove Corp.
- Antenna arrangement24 Mar 2026US 12,586,914 B2Signify Holding B. V.
- Communications device with helical slot radiating antenna and related antenna device and method6 May 2025US 12,294,147 B2Eagle Technology, LLC
- Antenna6 May 2025US 12,294,148 B2AGC Inc.
- Communications device with rhombus shaped-slot radiating antenna and related antenna device and method18 Feb 2025US 12,230,880 B2Eagle Technology, LLC
- Radiofrequency communication arrangement5 Feb 2026US 2026/0039023 A1Signify Holding B. V.
- Communications device with rhombus shaped-slot radiating antenna and related antenna device and method12 Jun 2025US 2025/0192443 A1Eagle Technology, LLC
- Double slot array antenna design method and double slot array antenna designed thereby14 Nov 2024US 2024/0380123 A1Hl Klemove Corp.
- Antenna arrangement15 Aug 2024US 2024/0275063 A1Signify Holding B. V.
- Communications device with rhombus shaped-slot radiating antenna and related antenna device and method11 Jul 2024US 2024/0235044 A9Eagle Technology, LLC
Most cited
By later US patents
- Geodesic slotted cylindrical antenna227US 6,011,520 AEMS Technologies, Inc. · 2000
- Method and apparatus for shaped antenna radiation patterns87US 7,616,959 B2Rotani, Inc. · 2009
- Plate-like multiple antenna and electrical equipment provided therewith65US 6,847,329 B2Hitachi Cable, Ltd. · 2005
- Low cost interference reduction system for GPS receivers55US 6,590,528 B1Rockwell Collins, Inc. · 2003
- Method and apparatus for creating shape antenna radiation patterns49US 7,349,701 B2Rotani, Inc. · 2008