H04K 3/80
Jamming or countermeasure characterized by its function
Official title: {Jamming or countermeasure characterized by its function}
H04K3/80 (Jamming or countermeasure characterized by its function) appears on 1,245 US grants and 1,197 published applications in this corpus.
Search patents in H04K- Granted patents
- 1,245
- Published applications
- 1,197
- Assignees
- 632
- Inventors
- 2,486
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 23 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 14 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 3 |
| 2002 | 17 | 10 |
| 2003 | 8 | 25 |
| 2004 | 15 | 33 |
| 2005 | 15 | 24 |
| 2006 | 25 | 33 |
| 2007 | 24 | 36 |
| 2008 | 31 | 58 |
| 2009 | 23 | 41 |
| 2010 | 31 | 37 |
| 2011 | 49 | 47 |
| 2012 | 57 | 48 |
| 2013 | 45 | 54 |
| 2014 | 57 | 63 |
| 2015 | 55 | 57 |
| 2016 | 58 | 75 |
| 2017 | 76 | 69 |
| 2018 | 73 | 80 |
| 2019 | 85 | 64 |
| 2020 | 54 | 69 |
| 2021 | 61 | 53 |
| 2022 | 46 | 60 |
| 2023 | 59 | 45 |
| 2024 | 55 | 51 |
| 2025 | 37 | 37 |
| 2026 | 26 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04K 3/82Related to preventing surveillance, interception or detection720
- H04K 3/90Related to allowing or preventing navigation or positioning256
- H04K 3/92Related to allowing or preventing remote control167
- H04K 3/86Related to preventing deceptive jamming or unauthorized interrogation or access115
- H04K 3/84Related to preventing electromagnetic interference in petrol station, hospital, plane or cinema102
- H04K 3/94Related to allowing or preventing testing or assessing85
- H04K 3/88Related to allowing or preventing alarm transmission38
Recent patents
- Identification and mitigation of attacks and/or malfunction of autonomous vehicles sensor involving disappearing object15 Sep 2026US 12,739,051 B2Kyndryl, Inc.
- System, method and computer program product for detection of GNSS jammers8 Sep 2026US 12,732,302 B2Israel Aerospace Industries Ltd.
- Method for reducing interference between radar and uplink frequency band and communication apparatus4 Aug 2026US 12,701,599 B2Huawei Technologies Co., Ltd.
- Edge-centric resilience with proactive jammer-resilient optimization28 Jul 2026US 12,695,535 B2International Business Machines Corporation
- Operational disruption of vehicle containing GNSS receiver based on jamming sequence, environmental measurements, and geographical position information21 Jul 2026US 12,687,641 B1Flex Force Enterprises Inc.
- System, method and computer program product for detection of gnss jammers24 Sep 2026US 2026/0291638 A1Israel Aerospace Industries Ltd.
- Device for the tap-proof placement of a mobile telephone17 Sep 2026US 2026/0280747 A1Guardian, LLC
- Airborne system for countering unmanned aircraft10 Sep 2026US 2026/0269973 A1
- Device, a system, a method and computer program for identifying interfering devices in position measurements27 Aug 2026US 2026/0251801 A1Fnv IP B.V.
- Waveform generation30 Jul 2026US 2026/0222104 A1BAE SYSTEMS plc
Most cited
By later US patents
- Method for collecting data using compact internetworked wireless integrated network sensors (WINS)932US 6,735,630 B1Sensoria Corporation · 2004
- Method and apparatus for internetworked wireless integrated network sensor (WINS) nodes858US 6,859,831 B1Sensoria Corporation · 2005
- Method and apparatus for distributed signal processing among internetworked wireless integrated network sensors (WINS)510US 6,832,251 B1Sensoria Corporation · 2004
- Cognitive radio methodology, physical layer policies and machine learning492US 8,515,473 B2BAE Systems Information and Electronic Systems Integration Inc. · 2013
- Apparatus for internetworked hybrid wireless integrated network sensors (WINS)463US 6,826,607 B1Sensoria Corporation · 2004