G01S 7/038
Feedthrough nulling circuits
Official title: {Feedthrough nulling circuits}
G01S7/038 (Feedthrough nulling circuits) appears on 265 US grants and 286 published applications in this corpus.
Search patents in G01S- Granted patents
- 265
- Published applications
- 286
- Assignees
- 149
- Inventors
- 694
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 9 |
| 2003 | 7 | 8 |
| 2004 | 8 | 4 |
| 2005 | 4 | 6 |
| 2006 | 3 | 3 |
| 2007 | 5 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 8 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 4 | 4 |
| 2013 | 4 | 8 |
| 2014 | 3 | 5 |
| 2015 | 12 | 9 |
| 2016 | 6 | 8 |
| 2017 | 11 | 17 |
| 2018 | 12 | 21 |
| 2019 | 15 | 14 |
| 2020 | 24 | 35 |
| 2021 | 13 | 16 |
| 2022 | 26 | 20 |
| 2023 | 12 | 22 |
| 2024 | 20 | 26 |
| 2025 | 24 | 21 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Receiver design for dynamic range enhancement in radar systems25 Jun 2026US 2026/0177662 A1NXP B. V.
- Vehicular radar sensing system with noise cancellation element18 Jun 2026US 2026/0169145 A1Magna Electronics Inc.
Most cited
By later US patents
- Near-range microwave detection for frequency-modulation continuous-wave and stepped frequency radar systems315US 6,664,920 B1Raytheon Company · 2003
- Near object detection system242US 6,670,910 B2Raytheon Company · 2003
- Wideband simultaneous transmit and receive (STAR) subsystem183US 10,218,490 B1Northrop Grumman Systems Corporation · 2019
- Power control for improved near-far performance of radar systems170US 9,753,121 B1Uhnder, Inc. · 2017
- Slot antenna element for an array antenna124US 6,492,949 B1Raytheon Company · 2002