H01P 5/00
Coupling devices of the waveguide type
H01P5/00 (Coupling devices of the waveguide type) appears on 5,719 US grants and 5,113 published applications in this corpus.
Search patents in H01P- Granted patents
- 5,719
- Published applications
- 5,113
- Assignees
- 1,652
- Inventors
- 8,860
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 32 | 0 |
| 1978 | 38 | 0 |
| 1979 | 18 | 0 |
| 1980 | 22 | 0 |
| 1981 | 32 | 0 |
| 1982 | 31 | 0 |
| 1983 | 20 | 0 |
| 1984 | 29 | 0 |
| 1985 | 32 | 0 |
| 1986 | 29 | 0 |
| 1987 | 60 | 0 |
| 1988 | 37 | 0 |
| 1989 | 47 | 0 |
| 1990 | 46 | 0 |
| 1991 | 47 | 0 |
| 1992 | 54 | 0 |
| 1993 | 43 | 0 |
| 1994 | 44 | 0 |
| 1995 | 52 | 0 |
| 1996 | 34 | 0 |
| 1997 | 33 | 0 |
| 1998 | 53 | 0 |
| 1999 | 59 | 0 |
| 2000 | 60 | 0 |
| 2001 | 54 | 20 |
| 2002 | 79 | 97 |
| 2003 | 95 | 102 |
| 2004 | 111 | 147 |
| 2005 | 98 | 107 |
| 2006 | 106 | 120 |
| 2007 | 99 | 121 |
| 2008 | 93 | 104 |
| 2009 | 95 | 123 |
| 2010 | 94 | 151 |
| 2011 | 111 | 167 |
| 2012 | 124 | 145 |
| 2013 | 134 | 152 |
| 2014 | 156 | 208 |
| 2015 | 198 | 229 |
| 2016 | 262 | 301 |
| 2017 | 276 | 308 |
| 2018 | 339 | 348 |
| 2019 | 364 | 403 |
| 2020 | 409 | 352 |
| 2021 | 292 | 285 |
| 2022 | 255 | 282 |
| 2023 | 215 | 258 |
| 2024 | 269 | 258 |
| 2025 | 247 | 182 |
| 2026 | 152 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01P 5/12Coupling devices having more than two ports2,687
- H01P 5/08Coupling devices of the waveguide type: for linking dissimilar lines or devices2,157
- H01P 5/02Coupling devices of the waveguide type: with invariable factor of coupling1,082
- H01P 5/04Coupling devices of the waveguide type: with variable factor of coupling442
Recent patents
- Waveguide interface for coupling a waveguide to a microwave conductor on a PCB and including a backshort dielectric being the same as a dielectric of the PCB22 Sep 2026US 12,744,296 B2Telefonaktiebolaget LM Ericsson (publ)
- Iris waveguide switch22 Sep 2026US 12,744,297 B2
- Dual-mode waveguide power divider22 Sep 2026US 12,744,298 B2Huawei Technologies Co., Ltd.
- Millimeter-wave crossover coupler22 Sep 2026US 12,744,299 B2Dell Products L. P.
- Transition structures for ultrahigh speed digital signal transmission, and digital transmission line including same22 Sep 2026US 12,744,300 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Signal transmission structure for signal transmission in multi-layer circuit board and electronic device including the same8 Oct 2026US 2026/0312270 A1Samsung Electronics Co., Ltd.
- Impedance transforming tapered couplers8 Oct 2026US 2026/0312271 A1Qorvo US, Inc.
- Device for Matching RF Power into a Rapidly Varying Load8 Oct 2026US 2026/0312569 A1Jefferson Science Associates, LLC
- Coupler, butler matrix circuit, transmitting circuit, and transmitting device1 Oct 2026US 2026/0302585 A1Sumitomo Electric Industries, Ltd.
- Power amplification and coupling circuit with transformer line24 Sep 2026US 2026/0291441 A1Jabil Inc.
Most cited
By later US patents
- Method and apparatus for launching a surfacewave onto a single conductor transmission line using a slohed flared cone692US 7,009,471 B2Corridor Systems, Inc. · 2006
- Technique for conveying a wireless-standard signal through a barrier665US 8,344,829 B2AT&T Intellectual Property I, L. P. · 2013
- Surface wave coupler661US 8,212,635 B2AT&T Intellectual Property I, L. P. · 2012
- Using an electric power cable as the vehicle for communicating an information-bearing signal through a barrier655US 8,253,516 B2AT&T Intellectual Property I, L. P. · 2012
- Electromagnetic transmission line elements having a boundary between materials of high and low dielectric constants634US 5,889,449 ASpace Systems/Loral, Inc. · 1999