H01P 3/00
Waveguides
Official title: Waveguides; Transmission lines of the waveguide type
H01P3/00 (Waveguides) appears on 4,190 US grants and 4,369 published applications in this corpus.
Search patents in H01P- Granted patents
- 4,190
- Published applications
- 4,369
- Assignees
- 1,361
- Inventors
- 7,155
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 6 | 0 |
| 1987 | 20 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 22 | 0 |
| 1996 | 20 | 0 |
| 1997 | 23 | 0 |
| 1998 | 29 | 0 |
| 1999 | 33 | 0 |
| 2000 | 34 | 0 |
| 2001 | 26 | 12 |
| 2002 | 41 | 48 |
| 2003 | 52 | 50 |
| 2004 | 60 | 76 |
| 2005 | 59 | 92 |
| 2006 | 54 | 57 |
| 2007 | 53 | 70 |
| 2008 | 52 | 54 |
| 2009 | 49 | 99 |
| 2010 | 51 | 92 |
| 2011 | 69 | 115 |
| 2012 | 71 | 94 |
| 2013 | 77 | 116 |
| 2014 | 108 | 160 |
| 2015 | 134 | 183 |
| 2016 | 202 | 237 |
| 2017 | 228 | 316 |
| 2018 | 300 | 327 |
| 2019 | 347 | 391 |
| 2020 | 377 | 373 |
| 2021 | 285 | 272 |
| 2022 | 237 | 275 |
| 2023 | 232 | 253 |
| 2024 | 244 | 271 |
| 2025 | 236 | 196 |
| 2026 | 170 | 140 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01P 3/02Waveguides: with two longitudinal conductors2,314
- H01P 3/12Hollow waveguides1,106
- H01P 3/16Dielectric waveguides, i.e. without a longitudinal conductor690
- H01P 3/003Coplanar lines441
- H01P 3/10Wire waveguides, i.e. with a single solid longitudinal conductor240
- H01P 3/18Built-up from several layers to increase operating surface, i.e. alternately conductive and28
- H01P 3/20Quasi-optical arrangements for guiding a wave19
Recent patents
- Microwave networks, waveguides, mixing carts, methods of supplying gas, and gas management systems for radiation therapy machines6 Oct 2026US 12,752,245 B2Varian Medical Systems, Inc.
- 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.
- Transmitting electromagnetic signals over an interface transition region between integrated circuit device planes6 Oct 2026US 12,756,083 B2Ciena Corporation
- Printed circuit board to dielectric waveguide interface6 Oct 2026US 12,756,084 B1Northrop Grumman Systems Corporation
- Package for accommodating electronic element, and electronic device6 Oct 2026US 12,756,151 B2KYOCERA Corporation
- Waveguide cable configurations8 Oct 2026US 2026/0312269 A1Molex Incorporated
- 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.
- Semiconductor structure and method of manufacture8 Oct 2026US 2026/0313943 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Waveguides and fabrication thereof1 Oct 2026US 2026/0302580 A1Jones Microwave Inc
- Switched capacitor bank utilizing open-stub transmission lines1 Oct 2026US 2026/0302583 A1Dell Products L. P.
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
- Surface wave transmission system over a single conductor having E-fields terminating along the conductor681US 7,567,154 B2Corridor Systems, Inc. · 2009
- 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