G01S 7/034
Duplexers
Official title: {Duplexers (switching devices for waveguides H01P1/10; transmit-receive switching in transceivers H04B1/44)}
G01S7/034 (Duplexers) appears on 170 US grants and 149 published applications in this corpus.
Search patents in G01S- Granted patents
- 170
- Published applications
- 149
- Assignees
- 121
- Inventors
- 416
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 4 | 6 |
| 2005 | 2 | 5 |
| 2006 | 6 | 6 |
| 2007 | 9 | 5 |
| 2008 | 4 | 4 |
| 2009 | 7 | 9 |
| 2010 | 6 | 3 |
| 2011 | 2 | 9 |
| 2012 | 5 | 5 |
| 2013 | 4 | 5 |
| 2014 | 6 | 6 |
| 2015 | 1 | 5 |
| 2016 | 7 | 9 |
| 2017 | 5 | 7 |
| 2018 | 8 | 11 |
| 2019 | 5 | 5 |
| 2020 | 14 | 13 |
| 2021 | 7 | 7 |
| 2022 | 7 | 4 |
| 2023 | 8 | 6 |
| 2024 | 4 | 3 |
| 2025 | 5 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radar configuration using stationary feed horn, signal generator, and reflector21 Apr 2026US 12,607,709 B1Stormquant, Inc.
- Radar transceiver and antenna sharing method thereof20 Jan 2026US 12,529,758 B2Imec Vzw
- Ground-penetrating radar scanner with balanced UWB directional coupler30 Dec 2025US 12,510,628 B2Leica Geosystems AG
- Device for distance measurement and method for functionally checking a device for distance measurement9 Sep 2025US 12,411,210 B2
- Feeding network device for improved direction estimation3 Jun 2025US 12,322,872 B2Korea Electronics Technology Institute
- Dual-Function Satellite/Radar Communications System16 Jul 2026US 2026/0202507 A1Elta Systems Ltd.
- Transmit and receive techniques for terahertz sensing systems9 Jul 2026US 2026/0194625 A1TeraDar, Inc.
- Transmit and receive techniques for terahertz sensing systems9 Jul 2026US 2026/0194626 A1TeraDar, Inc.
- Transmit and receive techniques for terahertz sensing systems9 Jul 2026US 2026/0194627 A1TeraDar, Inc.
- Gilbert mixer30 Oct 2025US 2025/0337362 A1NXP B. V.
Most cited
By later US patents
- Monostatic FMCW radar sensor279US 6,037,894 ARobert Bosch GmbH · 2000
- Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly160US 5,412,414 AMartin Marietta Corporation · 1995
- Multi-layer single substrate microwave transmit/receive module131US 4,967,201 AWestinghouse Electric Corp. · 1990
- Integrated transmit/receive switch/low noise amplifier with dissimilar semiconductor devices95US 5,554,865 AHughes Aircraft Company · 1996
- Radar apparatus82US 7,289,058 B2Fujitsu Ten Limited · 2007