G01S 13/878
Combination of several spaced transmitters or receivers of known location for determining
Official title: {Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector (G01S13/874 takes precedence)}
G01S13/878 (Combination of several spaced transmitters or receivers of known location for determining) appears on 1,483 US grants and 1,851 published applications in this corpus.
Search patents in G01S- Granted patents
- 1,483
- Published applications
- 1,851
- Assignees
- 750
- Inventors
- 3,273
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 6 |
| 2002 | 17 | 20 |
| 2003 | 19 | 19 |
| 2004 | 17 | 29 |
| 2005 | 23 | 39 |
| 2006 | 23 | 21 |
| 2007 | 22 | 29 |
| 2008 | 16 | 63 |
| 2009 | 28 | 27 |
| 2010 | 25 | 36 |
| 2011 | 29 | 34 |
| 2012 | 33 | 45 |
| 2013 | 30 | 39 |
| 2014 | 37 | 44 |
| 2015 | 36 | 37 |
| 2016 | 41 | 59 |
| 2017 | 52 | 82 |
| 2018 | 63 | 100 |
| 2019 | 79 | 110 |
| 2020 | 108 | 184 |
| 2021 | 119 | 131 |
| 2022 | 124 | 169 |
| 2023 | 118 | 136 |
| 2024 | 139 | 162 |
| 2025 | 129 | 148 |
| 2026 | 71 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Subject tracking systems for a movable imaging system6 Oct 2026US 12,755,526 B2GoPro, Inc.
- Mapping of scatterer locations in a radio environment22 Sep 2026US 12,742,877 B2Telefonaktiebolaget LM Ericsson (publ)
- Radar system transmitter beamforming using occupancy map data15 Sep 2026US 12,736,663 B2NXP B. V.
- Systems and methods for using multiple radar sensors to track targets over extended ranges8 Sep 2026US 12,730,211 B2
- Vehicular radar system with multi-mode sensor having 3D antenna array8 Sep 2026US 12,730,215 B2Magna Electronics Inc.
- 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.
- Method for evaluating radar systems27 Aug 2026US 2026/0251757 A1Symeo GmbH
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
- 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
- Communication system and method for determining the location of a transponder unit570US 5,365,516 APinpoint Communications, Inc. · 1994