G01S 13/87
Combinations of radar systems
Official title: Combinations of radar systems, e.g. primary radar and secondary radar
G01S13/87 (Combinations of radar systems) appears on 3,585 US grants and 4,144 published applications in this corpus.
Search patents in G01S- Granted patents
- 3,585
- Published applications
- 4,144
- Assignees
- 1,370
- Inventors
- 7,439
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 10 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 20 | 0 |
| 1996 | 28 | 0 |
| 1997 | 28 | 0 |
| 1998 | 33 | 0 |
| 1999 | 34 | 0 |
| 2000 | 33 | 0 |
| 2001 | 30 | 9 |
| 2002 | 53 | 37 |
| 2003 | 49 | 47 |
| 2004 | 49 | 54 |
| 2005 | 44 | 71 |
| 2006 | 47 | 59 |
| 2007 | 43 | 59 |
| 2008 | 43 | 104 |
| 2009 | 60 | 76 |
| 2010 | 63 | 109 |
| 2011 | 65 | 69 |
| 2012 | 77 | 96 |
| 2013 | 75 | 83 |
| 2014 | 94 | 91 |
| 2015 | 81 | 83 |
| 2016 | 82 | 129 |
| 2017 | 115 | 187 |
| 2018 | 126 | 236 |
| 2019 | 186 | 259 |
| 2020 | 262 | 381 |
| 2021 | 248 | 343 |
| 2022 | 265 | 378 |
| 2023 | 294 | 333 |
| 2024 | 313 | 357 |
| 2025 | 311 | 319 |
| 2026 | 189 | 175 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01S 13/878Combination of several spaced transmitters or receivers of known location for determining1,483
- G01S 13/876Combination of several spaced transponders or reflectors of known location for determining425
- G01S 13/872Combinations of primary radar and secondary radar113
- G01S 13/874Combination of several systems for attitude determination103
Recent patents
- Multi radar object detection6 Oct 2026US 12,754,285 B2The Regents at the University of California
- Precipitation estimation method and device based on hybrid scanning of weather radar networking6 Oct 2026US 12,754,346 B2Zhejiang Atmospheric Detection Technology Support Center
- Subject tracking systems for a movable imaging system6 Oct 2026US 12,755,526 B2GoPro, Inc.
- Positioning method using wireless communication, and electronic device for supporting same29 Sep 2026US 12,748,205 B2Samsung Electronics Co., Ltd.
- Mapping of scatterer locations in a radio environment22 Sep 2026US 12,742,877 B2Telefonaktiebolaget LM Ericsson (publ)
- Co-Existence Operations Involving a Radar-Enabled User Equipment and Other User Equipments1 Oct 2026US 2026/0299077 A1Telefonaktiebolaget LM Ericsson (publ)
- Identifying devices within transmissions within a sensing network24 Sep 2026US 2026/0292515 A1Cognitive Systems Corp.
- Device, System, and Method for Tracking Multiple Projectiles17 Sep 2026US 2026/0276808 A1Trackman A/S
- Smart surveillance data processing systems for safe uncrewed aircraft and surface vessel operation beyond visual line of sight10 Sep 2026US 2026/0266988 A1Accipiter Radar Technologies Inc.
- Ground slope detection method, device and computer-readable storage medium10 Sep 2026US 2026/0268781 A1Ehang Intelligent Equipment (Guangzhou) Co., Ltd.
Most cited
By later US patents
- Geographic-based communication service system with more precise determination of a user's known geographic location764US 6,414,635 B1Wayport, Inc. · 2002
- Managing assets with active electronic tags753US 5,774,876 APar Government Systems Corporation · 1998
- Conductive line communication apparatus and conductive line radar system and method659US 8,159,385 B2Sensis Corporation · 2012
- Measuring distance593US 5,959,568 APar Goverment Systems Corporation · 1999
- Method and apparatus combining a tracking system and a wireless communication system583US 6,812,824 B1RF Technologies, Inc. · 2004