H01Q 19/134
Rear-feeds
Official title: {Rear-feeds; Splash plate feeds}
H01Q19/134 (Rear-feeds) appears on 138 US grants and 125 published applications in this corpus.
Search patents in H01Q- Granted patents
- 138
- Published applications
- 125
- Assignees
- 85
- Inventors
- 256
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 2 | 2 |
| 2008 | 3 | 6 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 8 |
| 2014 | 5 | 13 |
| 2015 | 5 | 8 |
| 2016 | 10 | 9 |
| 2017 | 8 | 3 |
| 2018 | 11 | 11 |
| 2019 | 11 | 8 |
| 2020 | 7 | 8 |
| 2021 | 6 | 10 |
| 2022 | 5 | 5 |
| 2023 | 6 | 3 |
| 2024 | 5 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless communication apparatus and structure for mounting communication equipment31 Mar 2026US 12,592,735 B2NEC Corporation
- Ultra-wideband omnidirectional and polarization insensitive Duo Aloe Vera Cruces Concentricis antenna structure applied to electromagnetic wave energy absorber, thermoelectric energy harvester, photoconductive antenna, array antenna and rectenna30 Dec 2025US 12,512,580 B2National Tsing Hua University
- Antenna feed and antenna including the antenna feed2 Dec 2025US 12,489,214 B2Prose Technologies LLC
- Coaxial RF dual-polarized waveguide filter and method20 May 2025US 12,308,504 B2Ubiquiti Inc.
- Microwave antenna systems with multiple waveguide segments8 Apr 2025US 12,272,872 B1Outdoor Wireless Networks LLC
- Tuning element module for a modular waveguide junction2 Jul 2026US 2026/0188880 A1Nokia Solutions (Shanghai) Co., Ltd.
- Feed assembly and antenna25 Jun 2026US 2026/0180164 A1Huawei Technologies Co., Ltd.
- Communication device30 Apr 2026US 2026/0121302 A1Ruijie Networks Co., Ltd.
- Coaxial rf dual-polarized waveguide filter and method9 Oct 2025US 2025/0316875 A1Ubiquiti Inc.
- Microwave antenna systems with multiple waveguide segments3 Apr 2025US 2025/0112377 A1Outdoor Wireless Networks LLC
Most cited
By later US patents
- Microwave antennas273US 6,522,305 B2Andrew Corporation · 2003
- Radome and shroud enclosure for reflector antenna253US 8,077,113 B2Andrew Corporation · 2011
- Radar systems222US 5,926,128 AThe Marconi Company Limited · 1999
- Low sidelobe reflector antenna system employing a corrugated subreflector203US 5,959,590 AEndgate Corporation · 1999
- Multi-band feed assembly for linear and circular polarization173US 8,994,473 B2Orbit Communication Ltd. · 2015