H01P 3/127
With a circular, elliptic, or parabolic cross-section
Official title: with a circular, elliptic, or parabolic cross-section
H01P3/127 (With a circular, elliptic, or parabolic cross-section) appears on 107 US grants and 117 published applications in this corpus.
Search patents in H01P- Granted patents
- 107
- Published applications
- 117
- Assignees
- 77
- Inventors
- 232
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 4 | 8 |
| 2016 | 6 | 12 |
| 2017 | 11 | 12 |
| 2018 | 7 | 9 |
| 2019 | 14 | 15 |
| 2020 | 17 | 9 |
| 2021 | 7 | 5 |
| 2022 | 2 | 7 |
| 2023 | 3 | 7 |
| 2024 | 8 | 6 |
| 2025 | 4 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for efficiently generating electromagnetic waves with reduced velocities15 Sep 2026US 12,738,620 B1
- Method for connecting memory device through HEMP/EMI protected barrier15 Sep 2026US 12,738,622 B1Raytheon Company
- Leaky cable and method of manufacturing leaky cable14 Jul 2026US 12,683,285 B2Proterial, Ltd.
- High-frequency coaxial input coupler including a transmission window that couples a waveguide to an acceleration cavity17 Mar 2026US 12,580,287 B2Canon Electron Tubes & Devices Co., Ltd.
- Electromagnetic waveguide24 Feb 2026US 12,560,756 B2Centre National De La Recherche Scientifique
- Waveguide element and method for producing a waveguide element, and also radiofrequency arrangement and radar system10 Sep 2026US 2026/0269446 A1
- Coupler for microwave pyrolysis systems20 Aug 2026US 2026/0242668 A1Pyrowave Inc.
- Device with waveguide structures30 Apr 2026US 2026/0121274 A1NXP B. V.
- Cryostat with electromagnetic shielding4 Dec 2025US 2025/0372854 A1International Business Machines Corporation
- Coaxial rf dual-polarized waveguide filter and method9 Oct 2025US 2025/0316875 A1Ubiquiti Inc.
Most cited
By later US patents
- Method and apparatus for launching a wave mode that mitigates interference475US 9,608,740 B2AT&T Intellectual Property I, L. P. · 2017
- Method and apparatus for launching a wave mode that mitigates interference473US 9,882,257 B2AT&T Intellectual Property I, L. P. · 2018
- Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium465US 9,640,850 B2AT&T Intellectual Property I, L. P. · 2017
- Antenna structure with circularly polarized antenna beam323US 10,230,426 B1AT&T Intellectual Property I, L. P. · 2019
- Flexible waveguide cable with a dielectric core268US 7,301,424 B2Intel Corporation · 2007