H01P 9/00
Delay lines of the waveguide type
H01P9/00 (Delay lines of the waveguide type) appears on 215 US grants and 157 published applications in this corpus.
Search patents in H01P- Granted patents
- 215
- Published applications
- 157
- Assignees
- 136
- Inventors
- 415
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 7 | 11 |
| 2004 | 4 | 4 |
| 2005 | 3 | 4 |
| 2006 | 9 | 7 |
| 2007 | 6 | 5 |
| 2008 | 3 | 2 |
| 2009 | 4 | 4 |
| 2010 | 3 | 6 |
| 2011 | 3 | 8 |
| 2012 | 8 | 9 |
| 2013 | 6 | 3 |
| 2014 | 8 | 5 |
| 2015 | 2 | 12 |
| 2016 | 11 | 11 |
| 2017 | 9 | 6 |
| 2018 | 9 | 7 |
| 2019 | 3 | 10 |
| 2020 | 13 | 8 |
| 2021 | 7 | 6 |
| 2022 | 6 | 4 |
| 2023 | 7 | 4 |
| 2024 | 2 | 9 |
| 2025 | 6 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus comprising delay lines formed on a first metal layer via connected to delay lines formed on a second metal layer in a particular arrangement25 Aug 2026US 12,719,145 B2Texas Instruments Incorporated
- Wireless communication device comprising a phase shifting element having plural port units connected by plural conductive wires28 Apr 2026US 12,614,827 B2LG Innotek Co., Ltd.
- Waveguide antenna21 Apr 2026US 12,609,459 B2Heriot-Watt University
- System and method for efficiently generating electromagnetic waves with reduced velocities30 Dec 2025US 12,512,573 B1
- Spherical dielectric structures for storing electromagnetic energy28 Oct 2025US 12,456,786 B2
- Impedance transforming tapered couplers8 Oct 2026US 2026/0312271 A1Qorvo US, Inc.
- A phase shifter circuit operating at terahertz band which is tunable or reconfigurable in any way27 Aug 2026US 2026/0254081 A1Orta Dogu Teknik Universitesi
- Wireless communication device comprising a phase shifting element having plural port units connected by plural conductive wires6 Aug 2026US 2026/0229756 A1LG Innotek Co., Ltd.
- Apparatus and methods for compact transmission lines23 Jul 2026US 2026/0213390 A1Analog Devices, Inc.
- Slow-wave structure, traveling-wave tube, and communication apparatus29 Jan 2026US 2026/0031297 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Microminiature, monolithic, variable electrical signal processor and apparatus including same455US 5,526,172 ATexas Instruments Incorporated · 1996
- Micromechanical microwave switching243US 5,619,061 ATexas Instruments Incorporated · 1997
- Electric field generator incorporating a slow-wave structure228US 7,656,167 B1TDK Corporation · 2010
- RF/microwave tunable delay line160US 6,556,102 B1Paratek Microwave, Inc. · 2003
- Electromagnetic dispersive delay line136US 4,808,950 ASanders Associates, Inc. · 1989