G01S 1/68
Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
G01S1/68 (Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information) appears on 528 US grants and 575 published applications in this corpus.
Search patents in G01S- Granted patents
- 528
- Published applications
- 575
- Assignees
- 350
- Inventors
- 1,288
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 6 |
| 2003 | 3 | 5 |
| 2004 | 3 | 8 |
| 2005 | 9 | 9 |
| 2006 | 3 | 8 |
| 2007 | 5 | 16 |
| 2008 | 8 | 16 |
| 2009 | 5 | 19 |
| 2010 | 8 | 19 |
| 2011 | 6 | 15 |
| 2012 | 8 | 12 |
| 2013 | 19 | 21 |
| 2014 | 20 | 24 |
| 2015 | 17 | 31 |
| 2016 | 23 | 34 |
| 2017 | 26 | 46 |
| 2018 | 36 | 52 |
| 2019 | 44 | 40 |
| 2020 | 52 | 30 |
| 2021 | 26 | 42 |
| 2022 | 30 | 36 |
| 2023 | 31 | 27 |
| 2024 | 22 | 34 |
| 2025 | 27 | 17 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coded anchors for simple localization8 Sep 2026US 12,730,175 B2Koninklijke Philips N. V.
- Frequency modulated continuous wave signal-based positioning in new radio25 Aug 2026US 12,717,016 B2QUALCOMM Incorporated
- Location awareness in a casino environment using low-power technologies11 Aug 2026US 12,704,579 B2Aristocrat Technologies, Inc.
- System and method for patient management using multi-dimensional analysis and computer vision14 Jul 2026US 12,682,642 B2All Inspire Health, Inc.
- Transmission receiver system utilizing relayed, delayed, or virtual timing marker transmissions of GPS, GPS, alternative, GNSS, PNT, electronic, optic, acoustic, or similar signals for positioning, navigation, timing, ranging, or beacon purposes or applications19 May 2026US 12,631,710 B2
- Multi-channel walk-in floor-reared poultry growth performance measurement system and method8 Oct 2026US 2026/0305578 A1Guangdong Laboratory for Lingnan Modern Agriculture Science and Technology
- Vehicle-to-vehicle lighting synchronization8 Oct 2026US 2026/0307582 A1Whelen Engineering Company, Inc.
- Systems and Methods For Monitoring Compliance with Recovery Goals24 Sep 2026US 2026/0290553 A1
- Communication terminal, communication system, control method, and non-transitry computer readable recording medium9 Jul 2026US 2026/0194615 A1Sharp Kabushiki Kaisha
- Electromagnetic tracking with augmented reality systems30 Apr 2026US 2026/0118670 A1Magic Leap, Inc.
Most cited
By later US patents
- Time and location based computing376US 5,642,303 AApple Computer, Inc. · 1997
- Event-activated reporting of vehicle location309US 5,311,197 ATrimble Navigation Limited · 1994
- Location signalling device for automatically placing a radio distress call236US 5,193,215 A1993
- Wrist-mounted vital functions monitor and emergency locator214US 4,819,860 A1989
- Security system transmitter with opposed concave actuators214US 5,604,493 ADetection Systems, Inc. · 1997