H01Q 21/064
Using horn or slot aerials
Official title: {using horn or slot aerials (slotted waveguides arrays H01Q21/005)}
H01Q21/064 (Using horn or slot aerials) appears on 1,243 US grants and 1,194 published applications in this corpus.
Search patents in H01Q- Granted patents
- 1,243
- Published applications
- 1,194
- Assignees
- 512
- Inventors
- 2,451
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 1 |
| 2002 | 21 | 13 |
| 2003 | 11 | 12 |
| 2004 | 11 | 11 |
| 2005 | 11 | 19 |
| 2006 | 24 | 15 |
| 2007 | 12 | 19 |
| 2008 | 20 | 19 |
| 2009 | 19 | 35 |
| 2010 | 16 | 21 |
| 2011 | 18 | 17 |
| 2012 | 17 | 20 |
| 2013 | 21 | 23 |
| 2014 | 21 | 19 |
| 2015 | 16 | 33 |
| 2016 | 33 | 36 |
| 2017 | 34 | 63 |
| 2018 | 61 | 104 |
| 2019 | 100 | 143 |
| 2020 | 134 | 149 |
| 2021 | 137 | 113 |
| 2022 | 106 | 76 |
| 2023 | 92 | 75 |
| 2024 | 72 | 73 |
| 2025 | 71 | 58 |
| 2026 | 45 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Access point and methods for use in a radio distributed antenna system479US 10,230,428 B1AT&T Intellectual Property I, L. P. · 2019
- Apparatus and methods for generating an electromagnetic wave along a transmission medium369US 10,135,145 B2AT&T Intellectual Property I, L. P. · 2018
- Antenna structure with hollow-boresight antenna beam326US 10,205,231 B1AT&T Intellectual Property I, L. P. · 2019
- Intelligent backhaul radio and antenna system311US 8,467,363 B2CBF Networks, Inc. · 2013
- Antenna horn and associated methods307US 6,271,799 B1Harris Corporation · 2001