G01R 1/24
Transmission-line
Official title: Transmission-line, e.g. waveguide, measuring sections, e.g. slotted section
G01R1/24 (Transmission-line) appears on 91 US grants and 75 published applications in this corpus.
Search patents in G01R- Granted patents
- 91
- Published applications
- 75
- Assignees
- 68
- Inventors
- 202
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 3 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 5 | 2 |
| 2015 | 2 | 3 |
| 2016 | 6 | 2 |
| 2017 | 6 | 7 |
| 2018 | 2 | 3 |
| 2019 | 7 | 7 |
| 2020 | 9 | 7 |
| 2021 | 3 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 4 |
| 2025 | 4 | 1 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Millimeter wave structure including a shielded substrate having a metal sheet therein and usable in a millimeter wave measurement module22 Sep 2026US 12,744,295 B2Universal Scientific Industrial (Shanghai) Co., Ltd.
- Test apparatus and battery production line30 Jun 2026US 12,669,522 B2Contemporary Amperex Technology (Hong Kong) Limited
- Standard rectangular waveguide with RF port input transition27 Jan 2026US 12,535,513 B2Korea Institute of Fusion Energy
- Diamond sensor unit21 Oct 2025US 12,449,457 B2Sumitomo Electric Industries, Ltd.
- Load pull tuner on waveguide wafer-probe5 Aug 2025US 12,379,397 B1
- Test device1 Oct 2026US 2026/0298993 A1Leeno Industrial Inc.
- Variable attenuator, step attenuator, and test apparatus18 Jun 2026US 2026/0169033 A1Advantest Corporation
- Shunt, electric device and energy storage device thereof30 Apr 2026US 2026/0118386 A1C & B Electronics (Shenzhen) Co., Ltd.
- Tunable waveguide attenuator and measurement setup26 Mar 2026US 2026/0088482 A1Rohde & Schwarz GmbH & Co.KG
- Optical Probing System with Multi-Signal Modulation and Demodulation29 Jan 2026US 2026/0029431 A1PMK Mess- und Kommunikationstechnik, GmbH
Most cited
By later US patents
- Apparatus and method for guided wave communications using an absorber243US 10,374,281 B2AT&T Intellectual Property I, L. P. · 2019
- Gap-mode waveguide205US 8,952,678 B22015
- Method for improving power measurement implemented with a directional coupler at low power levels48US 5,745,016 ANokia Mobile Phones Ltd. · 1998
- Microwave directional coupler and detector module45US 4,211,911 AGeneral Electric Company · 1980
- Microwave circuit device package27US 4,535,307 ARaytheon Company · 1985