H01P 1/00
Auxiliary devices
Official title: Auxiliary devices (coupling devices of the waveguide type H01P5/00)
H01P1/00 (Auxiliary devices) appears on 9,971 US grants and 7,819 published applications in this corpus.
Search patents in H01P- Granted patents
- 9,971
- Published applications
- 7,819
- Assignees
- 2,342
- Inventors
- 14,126
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 86 | 0 |
| 1977 | 70 | 0 |
| 1978 | 64 | 0 |
| 1979 | 62 | 0 |
| 1980 | 75 | 0 |
| 1981 | 105 | 0 |
| 1982 | 57 | 0 |
| 1983 | 51 | 0 |
| 1984 | 78 | 0 |
| 1985 | 87 | 0 |
| 1986 | 105 | 0 |
| 1987 | 130 | 0 |
| 1988 | 131 | 0 |
| 1989 | 126 | 0 |
| 1990 | 108 | 0 |
| 1991 | 124 | 0 |
| 1992 | 124 | 0 |
| 1993 | 106 | 0 |
| 1994 | 104 | 0 |
| 1995 | 122 | 0 |
| 1996 | 113 | 0 |
| 1997 | 95 | 0 |
| 1998 | 181 | 0 |
| 1999 | 176 | 0 |
| 2000 | 222 | 0 |
| 2001 | 197 | 84 |
| 2002 | 252 | 343 |
| 2003 | 335 | 321 |
| 2004 | 296 | 334 |
| 2005 | 285 | 305 |
| 2006 | 236 | 238 |
| 2007 | 205 | 250 |
| 2008 | 186 | 226 |
| 2009 | 195 | 284 |
| 2010 | 209 | 279 |
| 2011 | 202 | 238 |
| 2012 | 223 | 251 |
| 2013 | 198 | 241 |
| 2014 | 235 | 267 |
| 2015 | 311 | 316 |
| 2016 | 302 | 298 |
| 2017 | 349 | 339 |
| 2018 | 364 | 387 |
| 2019 | 390 | 399 |
| 2020 | 421 | 429 |
| 2021 | 345 | 365 |
| 2022 | 329 | 403 |
| 2023 | 293 | 340 |
| 2024 | 310 | 404 |
| 2025 | 362 | 258 |
| 2026 | 239 | 220 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01P 1/20Frequency-selective devices5,032
- H01P 1/18Phase-shifters1,167
- H01P 1/10Auxiliary devices: for switching or interrupting1,079
- H01P 1/32Non-reciprocal transmission devices799
- H01P 1/04Fixed joints581
- H01P 1/16Auxiliary devices: for mode selection573
- H01P 1/22Attenuating devices374
- H01P 1/165Auxiliary devices: for rotating the plane of polarisation300
Recent patents
- Waveguide element operable up to terahertz frequencies including a dielectric portion having periodic holes of a specified period formed therein and which is mounted on a support substrate6 Oct 2026US 12,756,080 B2NGK Insulators, Ltd.
- Filter6 Oct 2026US 12,756,081 B2Soshin Electric Co., Ltd.
- Notch filter6 Oct 2026US 12,756,082 B2Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Waveguide device operable up to terahertz frequencies including a line substrate having periodic holes formed therein and which is mounted on a support substrate29 Sep 2026US 12,749,785 B2NGK Insulators, Ltd.
- Coaxial filter including bent high impedance segments and low impedance segments with bypass grooves29 Sep 2026US 12,749,786 B2Suzhou Luxshare Technology Co., Ltd.
- Superconducting phase shifter for precise cryogenic quantum control through a classical node8 Oct 2026US 2026/0311018 A1Dell Products L. P.
- Modular rf power switch matrix8 Oct 2026US 2026/0312268 A1
- 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.
- Radio frequency adjustment structure reducing influence of metal debris1 Oct 2026US 2026/0302579 A1Suzhou Luxshare Technology Co., Ltd.
- Waveguides and fabrication thereof1 Oct 2026US 2026/0302580 A1Jones Microwave Inc
Most cited
By later US patents
- Electromagnetic transmission line elements having a boundary between materials of high and low dielectric constants634US 5,889,449 ASpace Systems/Loral, Inc. · 1999
- Dielectric transmission medium connector and methods for use therewith479US 9,853,342 B2AT&T Intellectual Property I, L. P. · 2017
- Magnetic coupling device and methods for use therewith475US 9,793,954 B2AT&T Intellectual Property I, L. P. · 2017
- At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric471US 9,871,282 B2AT&T Intellectual Property I, L. P. · 2018
- Method and apparatus for adjusting a field of a signal to mitigate interference470US 9,847,566 B2AT&T Intellectual Property I, L. P. · 2017